Canon CN20x50 Series Operation Manual Download

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Zoom Lens

ご使用の前に必ずこの取扱説明書をお読みください。
なお、取扱説明書は必要に応じてご覧になれるよう大切に保管してください。

Read this operation manual before using the product.
Keep the manual in place for future reference.

在使用本产品之前 , 请务必先仔细阅读本使用说明书。请务必妥善保管好本书 ,
以便日后能随时查阅 ( 保留备用 )。请在充分理解内容的基础上 , 正确使用。

J/E/C

CN20x50

变焦镜头

取扱説明書

（レンズ編）

OPERATION MANUAL

(LENS)

使用说明书

（镜头汇编）

Summary of Contents for CN20x50 Series

Page 1: ...てご覧になれるよう大切に保管してください Read this operation manual before using the product Keep the manual in place for future reference 在使用本产品之前请务必先仔细阅读本使用说明书请务必妥善保管好本书以便日后能随时查阅保留备用请在充分理解内容的基础上正确使用 J E C CN20x50 变焦镜头取扱説明書レンズ編 OPERATION MANUAL LENS 使用说明书镜头汇编 ...

Page 2: ...ENGLISH VERSION ...

Page 3: ... equipment Canadian Radio Interference Regulations CAN ICES 3 B NMB 3 B Only for European Union and EEA Norway Iceland and Liechtenstein This symbol indicates that this product is not to be disposed of with your household waste according to the WEEE Directive 2012 19 EU and national legislation This product should be handed over to a designated collection point e g on an authorized one for one bas...

Page 4: ...r than those mentioned above may be required depending on the specifications of your unit For details contact your dealer or Canon Inc Two types such as the EF mount and the PL mount are available for this product Illustrations in this manual are for the EF mount lens unless otherwise mentioned STANDARD PRODUCT LIST CN20x50 IAS H E1 EF mount CN20x50 IAS H P1 PL mount Hood cap Hood Operation manual...

Page 5: ...his condition may cause fire or electric shock 2 Do not stare at the sun or other bright objects through the lens This may injure your eyes CAUTION 1 Be careful not to drop the lens when carrying it Dropping the lens may damage it or cause injury 2 Ensure that all mountings are securely tightened If a mounting becomes loose parts may fall off and cause injury 3 Always hold the connector itself whe...

Page 6: ...t cap before storage Storing the lens without the caps attached poses a risk of fire if the lens focuses a light source NOTE 1 Immediately wipe off any moisture on the lens from misty or foggy environments using a dry cloth Seal the lens in a plastic bag with a desiccant preferably new to prevent moisture inside LEGAL NOTICES 1 Canon is not liable for any damage arising from incorrect operation 2 ...

Page 7: ......

Page 8: ...TS 3 1 BACK FOCUS ADJUSTMENT 3 2 IRIS GAIN ADJUSTMENT 5 1 ZOOM OPERATION 5 2 FOCUS OPERATION 5 3 IRIS OPERATION 5 4 EXTENDER OPERATION 5 5 MACRO OPERATION 5 6 SWITCH OPERATIONS 6 1 HOW TO DETACH THE DRIVE UNIT 6 2 HOW TO ATTACH THE DRIVE UNIT 6 3 AUTOMATIC ADJUSTMENT OF THE MECHANICAL END 4 MODE SETTING E8 4 1 OPERATION MODES 4 2 SETTINGS IN BASIC MODE 4 3 SETTINGS IN FULL MODE 4 4 SETTINGS IN ANA...

Page 9: ...ectors to connect the control accessory equipped with a 20 pin connector for zooming or focusing Connector has also a function to operate the iris through a focus control accessory and a dedicated cable and a function to interface with various virtual systems It can output each positioning signal of zoom focus and iris Zoom Focus Operation Change over Knob Hood Lock Knob Attachment Holder Contact ...

Page 10: ...p 2 and fit the attachment holder into the attachment holder contact plate in figure on page 2 at the rear of the lens 4 Fix the lens support to the rods using lens support fixing screws 2 HOW TO MOUNT 2 1 MOUNT THE LENS ON THE CAMERA For PL mount read the following instructions before mounting the lens The PL mount supports i communication so make sure that the camera is set to i Do not mount the...

Page 11: ...ent such as camera or external power supply Or if the camera can be powered from the PL mount connect the cable from the drive unit to the connector below the lens mount Connect the cable so that the connector of the cable aligns with the connector of the lens Bundle up the cable with the tie cable as needed NOTE Rated voltage 12 VDC Normal operation range 10 to 17 VDC If a battery or adapter is u...

Page 12: ...ety of professional camera accessories are available using Φ19 mm rod adaptors NOTE Be sure to use the lens holder when mounting the lens on a camera Be sure to avoid applying excessive force to the lens mount when the lens is mounted on a lens support ...

Page 13: ... Iris drive gear Number of teeth 156 230 225 225 Module 0 8 0 5 0 5 0 5 P C D 124 8 mm 115 mm 112 5 mm 112 5 mm Angular rotation 180 degrees 180 degrees 100 degrees 52 5 degrees Lens Holder Focus Drive Gear A Focus Drive Gear B Iris Drive Gear Zoom Drive Gear UNC3 8 16 Tie Cable Lens Holder Focus Drive Gear A Focus Drive Gear B Iris Drive Gear Zoom Drive Gear UNC3 8 16 Tie Cable ...

Page 14: ...ully open 3 Set the lens to the telephoto angle by turning the zoom ring 4 Bring the object into focus by turning the focus ring 5 Set the lens to the widest angle by turning the zoom ring 6 Loosen the flange back lock screw and turn the flange back adjusting ring to bring the object into focus 7 Repeat steps 3 to 6 a few times until the object is brought into focus at both the widest angle and te...

Page 15: ... manual describes only the items that can be set on the Top screen in each mode For details on how to set them refer to the Information Display Manual on the supplied CD ROM 4 2 SETTINGS IN BASIC MODE The following nine settings can be made on the Top screen in Basic Mode 1 Go to MENU screen 2 Auto iris gain settings 3 AUX switch assignment 4 Automatic adjustment of mechanical end 5 AUX1 switch as...

Page 16: ...h assignment 13 Zoom curve mode settings 14 Seasaw switch assignment 15 Iris A M switch setting I Gain Trk OFF MENU 1 A Fr1P Basic Adj Trk OFF I Tq H Initial Top screen in Full Mode Items displayed by scrolling Items not scrolled MENU 1 Norm AM Zoom Z M RET R A 2 Fr1P MENU IG 50 Basic Initial Top screen in Analog Mode 4 4 SETTINGS IN ANALOG MODE The following three settings can be made on the Top ...

Page 17: ...lens 5 OPERATION 5 1 ZOOM OPERATION 5 1 1 Manual Zoom Operation 1 Set the zoom operation change over knob to SERVO position 2 Press the zoom rocker seesaw to perform zoom operation Zoom speed changes by the depth of the switch being pressed The deeper the switch is pressed the faster the zoom speed becomes 5 1 3 Maximum Zoom Speed Adjustment The maximum speed of zoom when the zoom rocker seesaw is...

Page 18: ... 4 Press the Set key This completes the setting For details refer to the Information Display Operation Manual B Setting ON or OFF by operating the switches Shtl Fr1P A 1 A2 MENU IG 50 Fr1P A I Tq H Z M Trk OFF To set the function to OFF To set the function to ON Selection method Operation How to ascertain the selection The zoom range is set to the mechanical end Hold down the MEMO switch and Insta...

Page 19: ...to determine the zoom speed and direction toward telephoto angle or widest angle which you want to store and press the MEMO switch while holding this position The stored zoom speed is applied to the Framing Preset The operation with the Shtl switch is given the priority over that with the zoom rocker seesaw The operation with the zoom rocker seesaw is disabled while the Shtl switch is pressed Curr...

Page 20: ...speed setting Frame preset control Setting combinations Zoom Z F Focus Fr1P Fr2P speed settable The zoom moves at the preset speed Zoom operation control Focus operation control Zoom focus operation control The zoom moves at the maximum speed The focus moves at the maximum speed The focus moves at the maximum speed The zoom and focus move at the maximum speed The zoom and focus move at the preset ...

Page 21: ...ith the zoom rocker seesaw Perform zoom operation with the Shtl switch Zoom Focus Framing Preset Operate a connected focus demand Movement to the memory position stops and movement to the operating position of the focus demand takes place 1 Setting the framing memory position Zoom and focus to the position that you want to store while holding this zoom and focus position and then press the Fr1P sw...

Page 22: ...ion from the camera to keep the video signal level constant The automatic iris operation may not be performed depending on the types of cameras 5 3 IRIS OPERATION The iris operation mode can be switched between auto and manual with the iris operation mode change over switch 5 3 1 Automatic Iris Operation 5 2 2 Servo Focus Operation 1 When the servo focus operation is performed set the focus operat...

Page 23: ...n The automatic iris operation may not be performed depending on the types of cameras 5 OPERATION Operation The extender is operated by moving the extender switching lever at the rear of the lens When the extender switching lever is on the 1 5x index side the state of the lens is equivalent to having a 1 5x extender mounted Note that moving the extender switching lever to the 1x index side removes...

Page 24: ...n the normal minimum object distance M O D The minimum object distance by macro operation for this lens is 1 54 m from tip of the lens at the widest angle Multi point Focus Shooting In macro shooting when zooming to change the focal length the focal point varies The multi point focus shooting technique uses this characteristic The focal point is shifted by the zoom operation Follow the steps bello...

Page 25: ...key until the function to be changed appears on the display 4 Press the Set key This completes the setting Switch Default value Functions Fr1P Fr1F Fr2P Fr2F Sped Shtl NON VTR RET 1 V VTR 2 R RET 3 A Fr1P 4 A1 Shtl 5 A2 Fr1P 4 and 5 are AUX1 and AUX2 switches on the zoom demand Switch name Description VTR Starts stops VTR operation RET Hold down to view the main line video on the view finder Fr1P ...

Page 26: ... the drive unit is mounted again mount it while referring to Section 6 2 6 1 HOW TO DETACH THE DRIVE UNIT 1 Turn the camera and the lens power off 2 Disconnect the 12 pin cable 3 Detach the lens body from the camera 4 Loosen the three drive unit fixing screws and detach the drive unit from the lens body 5 Cap the contact on the lens body If power is supplied from the camera when the PL mount lens ...

Page 27: ...Never insert the removed screws into the screw holes in which the drive unit was fixed When the lens is tilted the zoom ring may turn and the zoom position may change To retain the zoom position when the lens is tilted mount a cinema operation accessory with adjustable torque and with a pitch of 0 5 6 HOW TO ATTACH AND DETACH THE DRIVE UNIT 6 Place the detached drive unit in the supplied storage b...

Page 28: ...ers in the three drive unit fixing screw holes in the lens body NOTE If the drive unit is fixed when there is a foreign material in a screw hole the lens body may be damaged 4 Before attaching the drive unit check the positions of the positioning pin and the connector Then align the fixing screws of the drive unit with the drive unit mounting screw holes in the lens body and attach the drive unit ...

Page 29: ...d iris ring manually and check gear engagement 6 Verify that the gear of the drive unit is engaged with the gear of the lens and tighten the three fixing screws to the specified torque to fix the drive unit Tightening torque 63 80 N cm 6 4 8 2 kg cm 7 Mount the lens on the camera connect the 12 pin cable switch the power on and adjust the mechanical end automatically on the display For details on ...

Page 30: ...les representatives Note 1 Press the key and then press the key 2 Press the key Adjustment begins The screen changes to the Mechanical end adjustment screen 3 Press the key and press the key Initial Top screen Set Set Set Your selection is now highlighted The screen flashes during adjustment The adjustment is completed Press key after adjustment to return to Screen A Screen A MENU Adj Trk OFF Shtl...

Page 31: ... angle end 7 3 x 4 1 cm at telephoto end 92 9 x 52 1 cm at wide angle end 4 9 x 2 7 cm at telephoto end 139 3 x 78 1 cm at wide angle end 7 3 x 4 1 cm at telephoto end 92 9 x 52 1 cm at wide angle end 4 9 x 2 7 cm at telephoto end EOS C500 148 3 x 78 1 cm at wide angle end 7 8 x 4 1 cm at telephoto end 98 9 x 52 1 cm at wide angle end 5 2 x 2 7 cm at telephoto end 148 3 x 78 1 cm at wide angle end...

Page 32: ...subject at close range In addition this tendency increases for lenses with longer focal lengths When shooting images carefully check the focusing condition using the zoom mode of the finder or other means and shoot a sufficient number of test images before performing focus operations for EF mount Lens only The T numbers of this lens are indicated on the iris ring of the lens On the other hand the ...

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