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Sony SAL-135F28 - 135mm f/2.8 STF Telephoto Lens, Service Manual

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Sony SAL-135F28 - 135mm f/2.8 STF Telephoto Lens Service Manual Download Page 55

4-13

SAL135F28 (STF 2.8(T4.5)/135) (135mm F2.8 [T4.5] STF)

4-2.

APERTURE DIAMETER CHECK/ADJUSTMENT AND PATTERN CHECK

The checked lens has the two types of aperture, one is the automatic preset diaphragm and the other is the stepless aperture (manual

diaphragm).

Then perform the aperture diameter check/adjustment for automatic preset diaphragm, and M aperture diameter adjustment for stepless

aperture respectively.

4-2-1. Aperture Diameter Check

Equipment

• Luminance Box

• Camera DSLR-A100

• AE Master Lens

• Compact Flash (CF) Card (For image saving)

• Personal Computer (PC)

(Color Calculator 2 installed)

1. Preparations

1)

Install the CF card to the camera.

2)

Set the stepless aperture (M aperture) of the checked lens to the fully open state (set the index of the stepless aperture to “A”), and

check that the M iris blades do not remain in aperture.

Fig.4-2-1

3)

Set the equipments, camera and master lens as shown in Fig.4-2-2.

Fig.4-2-2

Luminance box
 Luminance: EV12

Camera
 ISO: 100
 Exposure Mode: M
 Shutter Speed: 1/125
 Aperture: F5.6
 Focus Mode: MF
 Metering: Center weighted
 Preset white balance: Tungsten
 D-R: OFF

Master lens or checking lens
 Focus: Infinity end, M aperture: A

Shoot the center of the luminance surface

Index of M iris

M Aperture Operation Ring

Summary of Contents for SAL-135F28 - 135mm f/2.8 STF Telephoto Lens

Page 1: ...robat Reader How to use Acrobat Reader Sony EMCS Co SAL135F28 STF 2 8 T4 5 135 135mm F2 8 T4 5 STF Ver 1 2 2007 01 LENS FOR DSLR CAMERA 2007A0800 1 2007 01 Published by Kohda TEC 9 852 115 12 US Model Canadian Model AEP Model Chinese Model SAL135F28 STF 2 8 T4 5 135 135mm F2 8 T4 5 STF About the Lens Test Projector and Finished Inspection JIG ...

Page 2: ...ngle of view 1 3 18 Angle of view 2 3 12 3 The value of angle of view 1 is based on 35mm format cameras and that of angle of view 2 is based on Digital Single Lens Reflex Cameras equipped with an APS C sized image sensor Minimum focus m feet 4 0 87 2 85 4 Minimum focus is the shortest distance from the image sensor to the subject Maximum magnification 0 25 Minimum f stop f 31 T 32 Filter diameter ...

Page 3: ...1 5 Troubleshooting 1 3 2 DISASSEMBLY 2 1 Disassembly 2 2 3 REPAIR PARTS LIST 3 1 Exploded Views 3 1 3 2 Supplied Accessories 3 6 4 ADJUSTMENTS 4 1 Preparations 4 1 4 2 Aperture Diameter Check Adjustment and Pattern Check 4 13 4 3 Projective Resolving Power Check 4 24 4 4 Flange Back f F Check Adjustment 4 27 4 5 Lens ROM Check 4 31 4 6 Focus Brush Position Adjustment and Pattern Check 4 33 ...

Page 4: ... clean heavy dirt don t use paint thinner ketone nor alcohol Insert the specific screws vertically to the part when installing a exterior part Be careful not to tighten screws too much 1 3 Unleaded Solder This unit uses unleaded solder Boards requiring use of unleaded solder are printed with the lead free mark LF indicating the solder contains no lead Caution Some printed circuit boards may not co...

Page 5: ...6 Flexible Circuit Board Repairing Keep the temperature of the soldering iron around 270 C during repairing Do not touch the soldering iron on the same conductor of the circuit board within 3 times Be careful not to apply force on the conductor when soldering or unsoldering SAFETY RELATED COMPONENT WARNING COMPONENTS IDENTIFIED BY MARK 0 OR DOTTED LINEWITH MARK 0 ON THE SCHEMATIC DIAGRAMS AND IN T...

Page 6: ... defective part Perform the aperture diameter adjustment See page 4 17 Perform the aperture diameter check See page 4 13 Check the iris operation of iris control block Function NG F No NG Aperture trouble Replace the defective part Replace the defective part END Perform the aperture diameter check See page 4 13 Replace the defective part A aperture M aperture Check operation of the M aperture oper...

Page 7: ... tube focus ring fixed sleeve and 2 group move frame block END Check pattern of the main flexible unit Clean the pattern of the main flexible unit Replace the main flexible unit Check the position of contact piece and deformation of terminal of brush for focus ring Adjust the position of contact piece of brush for focus ring or replacethe brush for focus ring Perform the focus brush position adjus...

Page 8: ...s possible that a wire is snapped Do not apply excessive load to the gilded flexible board UNIVERSAL WRENCH In case of the following notches or holes are located in the lens block etc during disassembling assembling the lens Use the universal wrench How to Use Attach the chip A or chip B to the universal wrench For the notches chip A For the holes chip B Match the universal wrench to the holes or ...

Page 9: ...VETING BLOCK EXPLODED VIEW See Page 2 3 See Page 2 5 Lens Mount Riveting Block HELP03 4 Rear Light Shield Barrel 6 Light Shield Tube 3 Screws x2 HELP02 HELP01 2 Filter Frame HELP04 5 Lens Mount Riveting Block HELP05 7 2 Group Lens Block See Page 2 5 1 1 Group Lens Block HELP04 B B FLANGE BACK ADJUSTMENT ...

Page 10: ... 4 HELP07 3 Ornamental Tube HELP13 HELP14 HELP12 HELP06 Index Ring Distance Scale Tube 8 Steel Ball HELP12 9 Click Spring 2 Focus Ring Cover Brake Rubber x6 1 Focus Rubber Ring HELP10 HELP12 HELP09 HELP11 6 Connection Barrel 7 M Aperture Operation Ring 5 Brush For M Aperture HELP08 4 Brush For Focus Ring Main Flexible Unit BRUSH POSITION ADJUSTMENT ...

Page 11: ...P23 EXPLODED VIEW F G 1 Focus Ring 2 Group Move Frame Block 7 Apearture Holding Ring Screw 2 Fixed Barrel 3 2 Group Move Frame Block HELP19 4 Front Move Frame 0 M Aperture Operation Plate Holder 9 Iris Fixed Tube Block 8 2nd Lens Holder HELP26 M Aperture Operation Plate HELP22 6 Iris Control Plate Block HELP21 5 M Iris Control Block APERTURE DIAMETER ADJUSTMENT M APERTURE DIAMETER ADJUSTMENT ...

Page 12: ...D 2 GROUP LENS BLOCK EXPLODED VIEW HELP29 2 G1 Stopper HELP28 1 Front Decoration Plate 1 2 Group Front Frame Block 2 2 Group Rear Frame Block HELP30 3 G2 Stopper HELP32 3 Hold Ring HELP33 4 Hold Ring HELP34 5 G8 Stopper HELP35 HELP35 2nd Rear Barrel HELP31 Lens G2 G3 Front Frame ...

Page 13: ...r assembling and grease applying positions are shown HELP01 Anti diffusion agent A 20 J 6082 611 A Apply the anti diffusion agent A 20 to the instruction portions of the 1 group lens block as shown in the figure Apply the anti diffusion agent A 20 All circumferences ...

Page 14: ...lter frame so that the hood fixing claw that the screw hole is at the center of it matches to the distance index on the index ring and fix it with the four screws as shown in the figure Screw Hole Hood Fixing Claw Screws Four areas Hood Fixing Claw Index Ring Distance Index ...

Page 15: ...s outside of the rear light shield barrel Apply the adhesive bond B 40 to the three screws and then fix the rear light shield barrel with these screws as shown in the figure 2 Move the lever of the preset ring block and check that the preset ring block moves smoothly Rear Light Shield Barrel Lever of the Preset Ring Block Apply Adhesive Bond B 40 Three areas ...

Page 16: ... preset ring block with the A iris joint plate align the oblong hole of the lens mount riveting block with the mount index chip and tighten four screws shown in the figure 3 Move the lever of the preset ring block and check that the preset ring block moves smoothly and the iris opens and closes smoothly 4 Check that the focus ring rotates smoothly from near distance end to infinity position Screws...

Page 17: ...e HELP06 1 Set the focus ring to the infinity stop position 2 Attach the distance scale tube and align the center of the infinity mark and the index of the index ring 3 Affix the focus ring covers and paste the focus ring cover set tapes to cover seams two areas Light Shield Tube Apply the Adhesive Bond B 40 Two areas Focus Ring Cover Setting Focus Ring Focus Ring Covers Distance Scale Tube Index ...

Page 18: ...nd LOCTITE 460 to the back side of the mount index chip and attach it to the ornamental tube 2 Apply the anti diffusion agent A 20 to the instruction portion of the ornamental tube as shown in the figure 3 Attach the ornamental tube so that the mount index chip places at the position shown in the figure and fix it with the four screws Screws Four areas Apply the anti diffusion agent A 20 All circu...

Page 19: ...crews tightened in step 1 7 Adjust the position of the chip holder so that the five terminals of the brush are surely contact with the main flexible unit and also adjust the position to locate the second terminal from the top within the range of infinity and tighten the two screws loosened in step 6 8 Perform the 4 6 2 Focus Brush Position Adjustment Pattern Check 9 After adjustment apply the adhe...

Page 20: ...shown in the figure 5 Loosen the two screws tightened in step 1 6 Adjust the position of the chip holder so that the terminals of the brush are surely contact with the three patterns of the main flexible unit and tighten the two screws loosened in step 5 7 Apply the adhesive bond B 10 to the two instruction portions as shown in the figure Apply the adhesive bond B 10 Two areas Brush Screws Two are...

Page 21: ...on agent A 20 to the insutruction portions of the connection barrel as shown in the figure 2 Attach the connection barrel and apply the adhesive bond B 40 to the three screws and tighten them as shown in the figure Apply the Anti Diffusion Agent A 20 Apply the Anti Diffusion Agent A 20 All circumference of back side Apply Adhesive Bond B 40 Three areas ...

Page 22: ...tion portion shows 2 Affix the main flexible unit to the flexible substrate setting tape so that the instruction portion align 3 Fold the main flexible unit inside as shown in figure and affix the flexible substrate setting tape two areas Aligns Each Hole Make a hole Substrate Setting Tape Hole Main Flexible Unit Main Flexible Unit Flexible Substrate Setting Tape ...

Page 23: ...cting plate B so that the rounded edge of it faces toward inside of the tube as shown in the figure 2 Attach the M aperture connecting plate A to the M aperture operation ring and tighten them with the two screws as shown in the figure 3 Apply the adhesive bond B 10 to the two areas as shown in the figure 4 Apply the grease G 85 to the instruction portion of the M aperture operation ring as shown ...

Page 24: ...nd B 40 to the three screws and then fix the index ring with these screws as shown in the figure HELP14 Anti diffusion agent A 20 J 6082 611 A Apply the anti diffusion agent A 20 to the instruction portions of the distance scale tube as shown in the figure Apply the adhesive bond B 40 Three areas Apply the grease G 85 All circumference Apply the anti diffusion agent A 20 All circumference Apply th...

Page 25: ...o the instruction portions of the focus ring Note Apply the adhesive bond B 10 so that it can not be visible from exterior HELP16 Affix the three friction cloth B to the instruction portions of the focus ring evenly Apply the Anti Diffusion Agent A 20 All circumferences Apply the Adhesive Bond B 10 All circumference of threads Apply the Grease G 85 All circumference on edge Apply the Grease G 30 A...

Page 26: ...d sleeve HELP18 Grease G 30 J 6082 620 A Apply the grease G 30 to the instruction portion of the 2 group move frame block HELP19 Grease G 30 J 6082 620 A Apply the grease G 30 to the instruction portion of the front move frame Apply the Grease G 85 All circumference Apply the Grease G 30 All sliders Apply the Grease G 30 All circumference Apply the Grease G 30 All circumference ...

Page 27: ...e front move frame See the figure below 2 Attach the focus ring to the focus ring B 3 Assemble the front move frame fixed sleeve and the focus ring at the positions of the three marks as shown in the figure Mark Mark Mark Match the position of the screw hole to the U shaped Gutter 1st Lens Block Guide Roller A Rotation Operate Roller E Focus Ring Focus Ring B Fixed Barrel 2 Group Move Frame Block ...

Page 28: ...on opetate roller of a proper diameter from the following table Apply the adhesive bond B 40 to the 1st lens block guide pin and the rotation opetate pin and then tighten 1 group guide roller Part No Description Diameter D1 D2 2 688 993 01 1 group guide roller A 5 03 4 83 2 688 997 01 1 group guide roller E 5 02 4 82 Communication roller Part No Description Diameter D1 D2 2 689 003 01 Communicatio...

Page 29: ... the M diaphragm blade block into the notch of the M aperture lever and tighten it with the three screws Note Insert A aperture operating plate into a hole on 2nd lens holder as shown in the figure Then attach M aperture unit holding plate to them 4 Perform the 4 2 3 M Aperture Diameter Adjustment 5 Apply the adhesive bond B 10 to the head of the screws M Aperture Unit Holding Plate M Iris Feather...

Page 30: ...iris feather block into the notch of the A aperture operating plate and tighten it with the three screws Note Insert A aperture operating plate into a hole on 2nd lens holder as shown in the figure And then attach A iris retainer plate to them 4 Perform the 4 2 2 Aperture Diameter Adjustment 5 Apply the adhesive bond B 10 to the head of the screws A Aperture Operating Plate Aperture Hold Ring A Ir...

Page 31: ...be block screw and tighten it to the iris fixed tube block through the hole of the 2nd lens holder HELP24 Adhesive bond B 40 J 6082 614 A Attach the A aperture operating plate to the iris fixed tube block and apply the adhesive bond B 40 to the two screws and tighten them as shown in the figure Apply the Anti Diffusion Agent A 20 All circumferences Apply the Anti Diffusion Agent A 20 All circumfer...

Page 32: ... rotation of the M aperture operation plate becomes duller 2 Loosen the M aperture opretaion plate holder as far as that the M aperture opretaion plate rotates smoothly 3 Apply the adhesive bond B 10 in the width of 5 mm to the two instruction portions of the M aperture operation plate holder Note After applying the bond B 10 confirm that the M aperture operation plate rotates correctly M Aperture...

Page 33: ...ease tighten surely universal wrench Please do not damage the lens 2 Apply the adhesive bond B 10 more than the half of the circumference of screw portion of front frame Note Apply the adhesive bond so that it can not be visible from exterior G1 Stopper Front Frame Apply the Adhesive Bond B 10 more than the half of the circumference of screw portion Index Line Front Decoration Plate Character T G1...

Page 34: ...Then select the suitable station adjustment washer according to the Table 1 below Note Never separate the lens G2 G3 and insert The compensation value is not written on the parts Compensation value of lens Compensation value of lens G2 G3 Combination of station adjustment washer 0 05 to 0 03 Curver field adjustment washer C 0 02 to 0 02 Curver field adjustment washer A x 2 0 03 to 0 05 Curver fiel...

Page 35: ...LP33 Adhesive bond B 10 J 6082 612 A 1 Attach the G7 hold ring washer 2 Apply the adhesive bond B 10 in the width of 5 mm to the two instruction portions of the G7 hold ring washer as shown in the figure HELP34 Adhesive bond B 10 J 6082 612 A 1 Attach the G8 stopper 2 Apply the adhesive bond B 10 in the width of 5 mm to the two instruction portions of the G8 stopper as shown in the figure Apply th...

Page 36: ...0 J 6082 612 A 1 Apply adhesive bond B 10 in the width of 5 mm to the two instruction portions of the 2 group rear frame block as shown in the figure 2 Screw the 2 group front frame block 2 Group Rear Frame Block 2 Group Front Frame Block Apply the Adhesive Bond B 10 Two areas ...

Page 37: ...parts so they may have some difference from the original one Items marked are not stocked since they are seldom required for routine service Some delay should be anticipated when ordering these items The mechanical parts with no reference number in the exploded views are not supplied 9 A 1196 554 A BLOCK PRESET RING 10 2 684 234 01 PRESET RING HOLDING PLATE 11 Selection parts BACK ADJUSTMENT WASHE...

Page 38: ...88 919 01 CONNECTION BARREL 59 A 1205 581 A FLEXIBLE UNIT MAIN 60 2 688 970 01 GROUND SPRING 61 2 688 991 01 FLEXIBLE SUBSTRATE SETTING TAPE 62 2 687 688 01 SCREW M1 4 P1 M1 6X2 0 63 2 688 951 01 M APERTURE CONNECTING PLATE A Ref No Part No Description 64 2 688 981 01 SCREW M1 6X1 8 65 2 684 182 01 SCREW M1 6X1 8 P2 66 2 688 952 01 M APERTURE CONNECTING PLATE B 67 2 688 937 01 M APERTURE OPERATION...

Page 39: ...S CONTROL PLATE 110 2 688 905 01 2ND LENS HOLDER 111 2 688 964 01 APERTURE HOLDING RING SCREW 112 A 1209 780 A BLOCK IRIS FIXED TUBE 113 2 687 688 01 SCREW M1 4 P1 M1 6X2 0 114 2 688 954 01 A APERTURE OPERATING PLATE 115 2 688 977 01 SCREW M1 4 P3 M1 6X3 0 116 2 688 950 01 M APERTURE LEVER 117 2 688 913 01 M APERTURE OPERATION PLATE 118 2 688 914 01 M APERTURE OPERATION PLATE HOLDER 119 2 688 988 ...

Page 40: ...S G2 3 156 Selection parts CURVER FIELD ADJUSTMENT WASHER A C Note 1 157 2 688 926 01 LENS G4 158 2 688 901 01 FRONT FRAME 159 2 688 902 01 2ND LENS BARREL 160 A 1196 557 A LENS G5 6 161 2 688 932 01 WASHER G6 HOLD RING 162 2 688 933 01 WASHER G7 HOLD RING 163 2 688 929 01 LENS G7 164 2 688 904 01 G8 STOPPER 165 2 688 930 01 LENS G8 166 2 688 931 01 HOLDER 2ND REAR BARREL Ref No Part No Descriptio...

Page 41: ...ct the type of part according to the operation load of the associated parts Part No Description 2 688 993 01 1ST LENS BLOCK GUIDE ROLLER A D1 5 03mm D2 4 83mm 2 688 997 01 1ST LENS BLOCK GUIDE ROLLER E D1 5 02mm D2 4 82mm Ref No 126 Select the type of part according to the operation load of the associated parts Part No Description 2 689 003 01 ROTATION OPERATE ROLLER A D1 5 03mm D2 4 83mm 2 689 02...

Page 42: ... DUTCH AEP 2 685 150 61 MANUAL INSTRUCTION SWEDISH AEP 2 685 150 71 MANUAL INSTRUCTION ITALIAN AEP 2 685 150 81 MANUAL INSTRUCTION PORTUGUESE AEP 2 685 150 91 MANUAL INSTRUCTION RUSSIAN AEP 2 685 151 11 MANUAL INSTRUCTION ARABIC AEP 2 685 151 21 MANUAL INSTRUCTION TRADITIONAL CHINESE AEP 2 685 151 31 MANUAL INSTRUCTION SIMPLIFIED CHINESE AEP CH 2 685 151 41 MANUAL INSTRUCTION KOREAN AEP Abbreviati...

Page 43: ...esive bond B 10 J 6082 612 A Color Calculator 2 Note Color Calculator 2 is downloadable from the ESI homepage Fig 4 1 1 Ver 1 2 2007 01 J 1 J 9 J 7 J 10 J 2 J 4 J 6 J 5 J 8 J 12 J 11 J 3 20 30 40 50 60 70 80 90 0 10 Personal computer Note 1 AE master lens J 6082 597 A Flange back gauge 43 50mm J 6082 608 A Flange back tester J 6082 606 A A mount attachment J 6082 607 A Lens test projector J 6082 6...

Page 44: ... 15 M Byte or more recommended USB terminal Standard equipment Graphics 32 000 colors or more recommended VGA monitor Note 2 Attach the chart to the 1000 mm collimator as shown in Fig 4 1 2 Fig 4 1 2 Note 3 Connect the variable transformer Output voltage AC 100 V to the lens test projector Note 4 Finished Inspection JIG is AC 100 V only Align the marks 1000 mm collimator Chart ...

Page 45: ... ActuatorChecker VerX X X X zip PC Card Setup File InstaCal zip Note 1 Lap top PC with PC card slot on which Windows XP runs Note 2 Obtain the PC card setup file InstaCal zip from the ESI homepage Note 3 Obtain the lens adjustment program ActuatorChecker Ver x x x x zip from the ESI homepage 1 Download of PC card setup file InstaCal exe 1 Create the MCC folder in the C drive Fig 4 1 3 2 Download t...

Page 46: ...act destination folder Fig 4 1 5 6 The window returns to the menu to specify the extract destination folder Click Unzip Fig 4 1 6 7 When the window below appears click OK Fig 4 1 7 8 Return to the menu to specify the extract destination folder Then click Close to close the window ...

Page 47: ...Setup of PC Card 1 Double click InstaCal exe in C MCC folder to begin the installation Fig 4 1 8 2 The menu to begin the installation appears Click Next Fig 4 1 9 3 Specify the install destination folder As the default is used for it click Next Fig 4 1 10 ...

Page 48: ...he installation is completed Click Finish Note To refer to the readme file check the Show the readme file and click Finish Fig 4 1 12 6 To make the configuration installed effective the window to prompt the restart appears Click Yes to restart the PC Note If a device is connected without restarting the program may not work properly Fig 4 1 13 ...

Page 49: ... insert the PC CARD DIO48 in the PC card slot 8 The software installation window appears Click Install the software automatically Recommended Fig 4 1 14 9 The software is detected and installed When the window below appears click Finish to terminate the installation Fig 4 1 15 ...

Page 50: ...n the Windows setting the window below may differ Fig 4 1 16 2 When PC CARD DIO48 is detected the window below appears Confirm that the PC CARD DIO48 is checked Note Depending on the slot inserted the slot No differs Fig 4 1 17 3 Confirm that PC CARD DIO48 is recognized as Board 0 Note If not recognized as Board 0 the program does not work properly Fig 4 1 18 4 Click File Exit to terminate InstaCa...

Page 51: ...e 1 Download the file ActuatorChecker VerX X X X zip from Service Fixture and Software of ESI homepage save and extract it 2 Start up ActuatorChecker exe from an arbitrary folder 3 If PC CARD DIO48 is properly installed the window below appears Note The version of ActuatorCheker might be updated Fig 4 1 19 ...

Page 52: ...d before this procedure is executed Equipment Personal Computer USB cord with connector Finished Inspection JIG AC 100 V only Lens Adjustment Program ActuatorChecker 1 Connect equipment and checking lens as shown Fig 4 1 20 Fig 4 1 20 2 Turn on the finished inspection JIG 3 Turn on the personal computer 4 Start up ActuatorChecker exe from an arbitrary folder conform that start up program normally ...

Page 53: ...up ActuatorChecker exe Fig 4 1 21 2 Depending on the initial startup or setting made at the previous startup the window differs When the English window appears click the Set up button Note When any button is clicked the Serial window appears The window to enter the lens serial number appears Fig 4 1 22 ...

Page 54: ...23 4 1 5 About Inspection Procedure of Lens Adjustment Program ActuatorChecker The inspection method has the method of executing the method of inspecting the corresponding model as everything continues and the inspection of each item one by one Click START from the start up window when you inspect the corresponding model as everything continues The procedure for executing the inspection of each it...

Page 55: ...ard For image saving Personal Computer PC Color Calculator 2 installed 1 Preparations 1 Install the CF card to the camera 2 Set the stepless aperture M aperture of the checked lens to the fully open state set the index of the stepless aperture to A and check that the M iris blades do not remain in aperture Fig 4 2 1 3 Set the equipments camera and master lens as shown in Fig 4 2 2 Fig 4 2 2 Lumina...

Page 56: ... the center of the luminance surface three times with the master lens and checking lens Setting of Luminance box Luminance EV12 Setting of Lens Focus Infinity end Maperture A Setting of Camera ISO 100 Exposure Mode M shutter Speed 1 125 Aperture F5 6 Focus Mode MF Metering Center weighted Preset white balance Tungsten D R OFF ...

Page 57: ...ens 1 Start the Color Calculator 2 Fig 4 2 3 2 Read the image from the file menu Fig 4 2 4 3 Set the Color Calculator 2 as follows Measured value display Display menu RGB L a b Measuring method Display menu Center Single Area Fig 4 2 5 Color space Edit menu sRGB Fig 4 2 6 Area size for calculate Edit menu Option 256 256 Pixels Fig 4 2 7 ...

Page 58: ...g 4 2 8 3 Checking Method 1 Calculate aperture error using the following formula and check that the aperture error is within the specification Aperture error Average G value of master lens a Average G value of checking lens b Specification Aperture error 20 to 5 2 When the aperture error is out of specification perform 4 2 2 Aperture Diameter Adjustment If the specification is met perform the 4 2 ...

Page 59: ... the stepless aperture M aperture of the checked lens to the fully open state set the index of the stepless aperture to A and check that the M iris feathers do not remain in aperture 3 Remove the adhesive bond of the three screws fixing the iris retainer tube Fig 4 2 10 1 Group Lens Block A Aperture Hold Ring Adjustment Screws for Aperture Diameter Three areas M Iris Retainer Tube ...

Page 60: ...ompletely Fig 4 2 12 6 After the adjustment is completed apply the adhesive bond B 10 to the head of the three screws as shown in the Fig 4 2 13 Fig 4 2 13 7 Assemble the lens completely 8 Perform 4 2 1 Aperture Diameter Check and repeat 4 2 1 Aperture Diameter Check and 4 2 2 Aperture Diameter Adjust ment until the aperture error is within the specification Aperture Hold Ring Aperture Hold Ring A...

Page 61: ...hree screws fixing the M iris retainer plate Fig 4 2 14 2 Set M iris indicated portion as shown in figure Fig 4 2 15 3 Turn the M aperture unit holding plate to adjust the position where the M diaphragm blades are hidden into the edge completely Fig 4 2 16 M Aperture Unit Holding Adjustment Screws for Aperture Diameter Three areas M Aperture Operation Ring Index of M Iris ...

Page 62: ...T4 5 STF 4 After the adjustment is completed apply the adhesive bond B 10 to the head of the three screws as shown in the Fig 4 2 17 Fig 4 2 17 5 Assemble the lens completely M Aperture Unit Holding Plate Apply the Adhesive Bond B 10 Three areas ...

Page 63: ... Start up of ActuatorChecker 3 Click Set up and perform the initial setting Refer to Section 4 1 4 2 Checking Method 1 Click the Iris Pattern Fig 4 2 18 2 The Serial window appears Input the lens serial number Note When OK is clicked without inputting the serial number the date executed is displayed on the completion window of each item Fig 4 2 19 3 The message Move IRIS to A Then push ENTER is di...

Page 64: ...6 When the infinity position check finishes normally OK is displayed on the pop up window and press the ENTER key to return to the initial window Fig 4 2 23 3 In case of error display in the Iris Pattern A position first try 1 When the error display and the NG display appear to the pop up window press the ENTER key to return to the initial window and perform 2 Checking Method again Fig 4 2 24 Fig ...

Page 65: ...5 seconds and no more than 20 seconds When the iris pattern error Fig 4 2 26 Fig 4 2 27 When the aperture does not reach the 6 7 position or A position seconds Fig 4 2 28 2 Although the aperture is positioned at the A position or 6 7 position if NG appears confirm or perform the following Cleaning of flexible pattern or the brush Replacing the brush Rotating operation error of the focus ring rotat...

Page 66: ... 3 1 Set the stepless aperture of the checked lens to A 1 Perform the following steps 1 to 3 and incorporate the internal lenses of the lens test projector according to the checking focal length 1 Open the lid of the lens test projector 2 Pull up and turn the fixed levers on the right and left sides of the lens test projector 3 Remove or insert the lens Note Be sure to have the right position and ...

Page 67: ...itch to ON Fig 4 3 2 4 Turn the distance scale tube of the checking lens until the chart image projected on the screen is the sharpest at the center y 0 5 Set the plane mirror to the center of the projected image y 0 and adjust the projector position so that the mirror reflects the light to the center of the lens Distance Lens test projector Chart Fan switch Lamp switch Plane mirror Screen A mount...

Page 68: ...on for the smallest pitched lines Fig 4 3 4 4 Read the number of the smallest pitched lines for both saggital S and meridional M at the peripheral point y 18 on the screen in the same way of step 3 5 Check that the all readings y 0 saggital S and meridional M at y 15 and y 18 is within the specification of the Table 4 3 2 When the specification is not satisfied perform the following procedure Repl...

Page 69: ...o the A mount attachment and hold them together 4 Turn the focusing knob of the flange back tester so that fine scratches on the flange back gauge 43 50mm is the sharpest Note Turn the knob in the direction of the arrow of Fig 4 4 2 for correct reading Fig 4 4 2 5 Turn the scale ring of the dial gauge until the long pointer indicates 0 Note This position is the flange back f F 43 5 mm Memorize the...

Page 70: ...ck the optical axis aligns with the chart center Refer to Fig 4 4 4 Note Figure shows example The cause depends on individual lens Fig 4 4 4 4 Calculate the flange back f F of the checking lens using the following formula and check that the specification of the Table 4 4 1 is satisfied Flange back f F of the checking lens Flange back gauge Number of short pointer revolution Reading of long pointer...

Page 71: ...Measured value f F at infinity end position 44 61 mm x Shift amount that should be adjusted by the back adjustment washer 5 Select the thickness of the back washer according to the result of step 4 Refer to Table 4 4 2 Note Be sure to measure the thickness of the back adjustment washer by micrometer or vernier caliper When the shift amount is a negative value Decrease the back adjustment washer th...

Page 72: ...4 30 SAL135F28 STF 2 8 T4 5 135 135mm F2 8 T4 5 STF 6 Assemble the back adjustment washer and perform the 4 4 1 Flange Back f F Check again Fig 4 4 5 Back Adjustment Washer ...

Page 73: ...ed to equipment with checking lens Refer to Section 4 1 3 2 Start up of ActuatorChecker exe 3 Click Set up and perform the initial setting Refer to Section 4 1 4 2 Checking Method 1 Click ROM Data Fig 4 5 1 2 The Serial window appears Input the lens serial number Note When OK is clicked without inputting the serial number the date executed is displayed on the completion window of each item Fig 4 5...

Page 74: ...al window Fig 4 5 4 3 In case of error display in the ROM Data 1 When the error display and the NG display appear to the pop up window press the ENTER key to return to the initial window and perform 2 Checking Method again Fig 4 5 5 Fig 4 5 6 2 Although the focus is positioned at the infinity position if the NG appears confirm or perform the following Cleaning of flexible pattern or the brush Repl...

Page 75: ...from top as shown in figure 4 When the brush comes to the area circled where no pattern exists no conduction occurs Adjusted When the brush comes to the area circled where the pattern exists the conduction occurs Not adjusted Fig 4 6 1 4 If not adjusted in step 3 loosen two screws fixing the brush For focus ring and adjust the brush position perform step 2 and 3 again 5 After adjustment perform th...

Page 76: ...hecker exe 3 Click Set up and perform the initial setting Refer to Section 4 1 4 2 Checking Method 1 Click the Focus Pattern Fig 4 6 2 2 The Serial window appears Input the lens serial number Note When OK is clicked without inputting the serial number the date executed is displayed on the completion window of each item Fig 4 6 3 3 The message Move FOCUS to Infinity position Then push ENTER is disp...

Page 77: ...he infinity position check finishes normally OK is displayed on the pop up window and press the ENTER key to return to the initial window Fig 4 6 7 3 In case of error display in the Focus Pattern infinity position first try 1 When the error display and the NG display appear to the pop up window press the ENTER key to return to the initial window and perform 2 Checking Method again Fig 4 6 8 Fig 4 ...

Page 78: ...conds and no more than 20 seconds When the focus pattern error Fig 4 6 10 Fig 4 6 11 When the focus does not reach the near position or infinity position seconds Fig 4 6 12 2 Although the focus is positioned at the infinity position or near position if NG appears confirm or perform the following Cleaning of flexible pattern or the brush Replacing the brush Rotating operation error of the focus rin...

Page 79: ...pplied to the Service Manual depending on the date of issue Switching a page To move to the first page click the To move to the last page click the To move to the previous page click the To move to the next page click the Reversing the screens displayed once To reverse the previous screens operation one by one click the To advance the reversed screens operation one by one click the Application to ...

Page 80: ...1 2007 01 History Official Release Correction 1 C1 Revised 1 Contents Correction of Repair Parts S M Correction HELP 20 4 Page 3 3 3 5 Change of Repair Parts Section 1 5 Section 2 Section 3 Change of List of Service Tools and Equlipments Section 4 Change of HELP27 HELP30 S M Rev issued Yes Yes 985211513 pdf ...

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