Minolta AUTO ELECTROFLASH 450 Скачать руководство пользователя страница 1 | Manualshive

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Содержание AUTO ELECTROFLASH 450

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Страница 2: ...MINOLTA AUTO ELECTROFLASH 450 OWNER S MANUAL e ...

Страница 3: ...ash tubeandreflectorwith guardwindow Built in sensor Monitorlamp Bracketrel Cartridge socket Connector Cartridge socket cap Connecting bayonet Cartridge rel AM batterycartri Tripodsocket Bracket Attaching screw andk www orphancameras com ...

Страница 4: ...Distance scale 510vpowersocket Aperture scale Controlknob Normal wide switch Film speed window Powerswitch Open f lash test button Handgrip Sync cord sepa rate senso r socket Sync cord ...

Страница 5: ...Optionalaccessories 510vbatterypack Ni Cdbatterycartridge Ni Cdbatterycharger Separate sensor Sensor sync cord www orphancameras com ...

Страница 6: ...al 45 horizontally 30 vertically for normalor longer l n lefi i 3 ffi I Riflil lT1 5i J 3 i in meters at ASA 10O 74in feetat ASA 25 or 32for meters at DIN 18 wid ea ns IerLs i ijj i i ELP iti iy to widea ng Ie renses e 9 down Io 24mm on full frame 35mm cameras at in feetat ASA 25 or i 6 for meters at DIN 1B Working ranges at ASA 100 Normal Wideangle F 2 8 1 8 1 6 m 6 5 2 1 8 7 9 m 6 2 6 F 4 1 3 1 ...

Страница 7: ...ll power 70 900 b0 420 2OO 2OOO Within stop underfull power 100 1100 b0 420 300 3OO0 Recycling time To full power To within stop underfull power 1 23 0 33 7 0 33 3 1 14 0 33 4 0 33_2 Depending uponsubject distance controls Dialfor setting film speeds ASA 25 400 DlN 15 2v knob to set computerfor apertures F1 4 F22 in auto operation or switchoverto manual normal wide switch powerswitch www orphancam...

Страница 8: ...pof full rargeand blinkswhenfully charged Supplied with basic unit connector andbracket Sync cordandAM batterycartridge Optional Separate sensor specs same asbuilt insensor sensor sync cord Ni Cdbatterycartridge 510vbatterypack with cord andNi Cdbatterycharger Width98mm 37 e depth103mm 41k 1 height230mm 9tk l TBOg 27 oz l ...

Страница 9: ...e handgrip to the desiredposition rnake sure the connector is at the desired angle normally 90 to the flash lightingaxis and tighten the band in place by turning the screwsclockwise 2 To attach the bracket to the camera begin screwing the attaching screw into the cameratripod socket careful ly align bracket at right anglesto the lensaxis and tightenin placewith the k n o b www orphancameras com ...

Страница 10: ...e con nector with the index on the bracket and release the grips 4 Plug the sync cord into the socket provided on the handgripand connect the other end with the X sync flash terminal of the camera NOTE When the flashgun is used attached to the bracket it should be kept pointed straight ahead parallelto the lensaxis at usual distances For close ups it should be turned slightly so as to point at the...

Страница 11: ...e n l i g h t i 5 v a l k a l i m a n g a n e s e c e l l s M a l l o r yM N 1 5 0 0o r e q u i v a l e n t with positive and negative ends positioned as indicated insidethe car tridge Then align the projectionson the cover with the matching inden tions on the cartridge and fasten the two parts firmly together again by meansof the screw www orphancameras com ...

Страница 12: ...idgesocket at the end of the handgrip push the two parts to gether slightly and turn the cartridge clockwiseor counterclockwise until it locksin olace 3 The cartridgeis removedby slidingthe cartridge releaseaway from the hand grip and turning the cartridgein either direction until its bayonet can be lifted out of the socket ...

Страница 13: ...zation and or that the flashgunis properly connected with the X sync terminalof thecamera 3 Also makesurethat the cameraisnot set for a shutter speedfasterthan the manufacturer srecommendation for electronic flash in the instruction manual Between the lens bladeshut ters can often be set at speedsup to 1 500 sec while 1 60 is often the maximum safe speed for full frame 35mm cameras with focal plan...

Страница 14: ...125 160 25O and 32Oor DlN indexes of 16 17 19 20 22 23 25 and 26 respectively from leftto right 5 The computer will vary flash duration f rom 1 600 to 1 120 000 sec to pro vide auto flash exposure at the range of f ive F numbers appearing in the green areavisible th rough th e aperture scale Turn the control knob to set the wh ite index at the desired aperture with in th is range The index may be ...

Страница 15: ... the aper ture setfrom 0 5 to 1 8m 1 ft B in to 6 ft seethe specifications p 6 for details At distances shorter than these subjectswill be overexposed For normal exposure set the lens aperture to the same F number as set on the f lashgu n With a properly loaded AM battery cartridge attached slide the power switch to ON For operatinginstruc tions when usingan N i Cd cartridgeor the 510v battery pac...

Страница 16: ...at ASA 10O 62in feetat ASA 25 or 2l in meters at DIN 18 Fire the flashby releasing the camera shutter At full power with monitor f lashing number of f lashes perAM bat tery cartridge will be betweenabout 70 and 900 and recycling time will be between one and 23 seconds de pend ing upon subject distance At partial power with monitor glowing steadily number of flasheswill be from about 100 to 1100 re...

Страница 17: ... structions1 th rough4 on pp 12 and 13 2 Turn the control knob index to the MAN UA L setting 3 Note the F numberappearingopposite the applicableflash to subject distance at any point on the f lashd ial green area range limits are not applicablein manual operation Then set the lens aperture on the camera to this F number for normalexposure www orphancameras com ...

Страница 18: ...ite the applicabled istance say be tween F4 and F5 6 for a distanceof 5m or 16 ft or one halfstop farther open i e atF4for partialpower and proceed to shoot NOTE Exposure at apertures indicated should be correctfor subjects and surrounding conditionsof average reflectivity With verylight colored subjects andlorin small brightrooms etc exposure may needto be reducedby closingthe lensaperture down s...

Страница 19: ...lenseshaving a diagonal angleof view of up to about 85o 1 Graspthe tab and pull the opal plastic wideangle d iffuser plate out of its storage slot push the non tabbed longer edge of it against the spring tensioninto the retaininggrooveabove the slot and secureit in placeover the f lashtube with the lower edge behind the two small tabs at the bottom of the guardwindow www orphancameras com ...

Страница 20: ... is only lightedbut not blinking the maximum range is the distancethat ap pears at a point halfway between the F number at which the index is set and the next F number to the right of it The manual guide number in wide operation in this caseis 1B for calculations in meters at ASA 100 30 in feet at ASA 25 or 13 in m et er s at DIN 1 8 i e 50mm or more on full frame 35mm cameras i e down to 24mm foc...

Страница 21: ...sdesired by means of the open flash test button The button merelyactsto triggerthe flash in place of the camerashutter s sync snritch Flashdurationis still cont rolledby the sensorin automaticopera tion and remainsfixed at maximum poweron manual Flashdial settings and indications and exposure producedwill thus be the samewith open f lashas in usualauto or manualoperation That is auto dial settings...

Страница 22: ...e the aperture shutter speed combinations for properexposure with the available daylight 2 From theseselect a suitable combina tion in accordance with electronic f lash synch ronization range of the cameraand the available F stopson thef lashunitcontrol dial 3 Setthe f lashdialindexto the metered aperture but closethe cameraaper ture down one F stopfrom that aper turefor making theexposure Say for...

Страница 23: ...dial indicates an aperture bf F11for a subject 5m or 16ft from the flash and the meter reading indicatesF11 at the maximum usable shutterspeedof 11100 this speedisset on thecamera but the lensaperture isset at Fl6forexposure The auto or manualprocedures out linedabove shouldunderusual conditions produce noticeablef ill in with subject emphasis thatwill perhaps bemostaccep tableto a majorityof peop...

Страница 24: ... of the sensorsync cord into the socket on the side of the sensor and plug the PC connection on the other end of the cord into the X sync terminal socket on the 7 camera The sensor sync cord is not necessaryif your camerais providedwith a hot shoe and the sensor is attached there For proper contact in th is case however be suresensor sync cord plug is disconnectedf rom the sensorif the other end i...

Страница 25: ... the cord of the sensorconnectingit with the camera Effective subject illuminationwith bounceflash is of courseconsiderably lower than that from directflash Flash bounced from a white ceiling in a medium sized room for example may require some two stops more exposure than if direct to the subject For this reason it is advisable to setthe dial and lensto assure adequate exposure i e at the largestp...

Страница 26: ... maximum flashduration in manualoperation without the separate sensor CAUTION The flash should never be fired when pointeddirectly at the sensor Motordrive flash sequences Under suitableconditions your Auto Electroflash 450 can be used for auto exposure sequences with motor drive camerasat speedsup to three frames per second For best results in this kind of ooera tion a fully chargedNi Cd or prefe...

Страница 27: ... 9 nn www orphancameras com ...

Страница 28: ...n the same way as the AM battery cartridge seep 11 With this cartridge fully charged ra cycling time to partial power i e with m onit or lamp lig h te db u t n o t b lin kin g is between 0 33 and 4 sec depending upon subjectdistance to full power i e with monitor lamp blinking between0 33 and 7 sec Number of f lashesat either f ull or partial power per full charge over a relatively short period of...

Страница 29: ...the cartridgefor a reasonable time in excessof three and one half hours will not damage the battery though it may become warm and power will be wasted The cartridge should be charged at leastonce every month even when not in use Owing to characteristicsof all bat teries of th is kind the N i Cd cartridge will tend to d ischargeitself if left unused for a period of time Further if not used for more...

Страница 30: ...yat least temporarily CAUTION Do not removethe coverof the Ni Cd batterycartridge NOTE TheNi Cd batterycartridge andcharger arenot available in areaswherevoltages otherthan100to 120 areprevalent 510vbatterypack To installa battery in this optional accessory f irst unsnapthe retaining tab on the top of it and pull the inner assemblyout of the case Making sure that positive and negative termi nals a...

Страница 31: ...ed on and off with the switch located on the power pack the battery is inserted improperly no contact will be made Then reinsertthe holder with battery into the case and refasten the snap on the retaining tab Connecting the battery pack with the f lashgunis accomplishedas fol lows First insert the rounded plug on one end of the cord into the receptacle on the battery pack and secure it by fastenin...

Страница 32: ...y pack indicatingfull power These are maxi mum recyclingtimeswith this high vol tage pack and recyclingtime to full power may be as short as 0 33 sec depending uponsubject distance Number of flashesper battery over a relatively short time at full powerwill vary from 2OOto 2000 while 300 to 3000 at partial powercanbeobtained CAUTION Becauseof the 510v battery pack s high voltage be carefulto keep m...

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