Home

Asahi Pentax 6x7 Operating Manual

1. Aperture Scale Depth of field Scale Flash Terminal Cable Release Socket Shutter Speed Ring Focusing Distance Aperture Index Depth of field Preview Lever Distance Scale Lens Cocking Lever U S Lever on back 4 0 5 The SMC Takumar 6x7 f 2 8 leaf shutter tens is a multipurpose lens which greatly enhances the picture taking versatility of the Pentax 6x7 interchangeable lens system Not only does this lens feature an automatic diaphragm and offer the full open aperture metering capabilities of a normal lens but it also features a built in leaf shutter which depending upon how it is set enables various special applications which are beyond the capabilities of the camera s focal plane shutter atone In addition to incorporating its own shutter the leaf shutter lens is also provided with its own shutter speed settings from 1 30 to 1 500 sec to enable high speed flash synchronization for fill in flash etc when using the lens shutter jointly with the camera shutter The lens shutter may also be used alone with the camera shutter locked opened to enable easy and efficient multiple exposures and also to lessen the effects of camera shake in the case of single exposures Both a flash synch terminal and a cable release socket are provided on the lens to facilitate special applications Basically the types of exposure obtained with the leaf shutter lens depend on how the lens shutter is set in
2. camera s inner bayonet mount Then twist the lens clockwise until it locks into place To remove the lens depress the bayonet lock lever and twist the lens counterclockwise until it releases from the bayonet Use as a Normal Lens After mounting simply focus set the lens aperture as with other 6x lenses and release the camera shutter to take the picture Note The position of the lens U S lever does not matter when the lens shutter is not being used GAO 1 HIGH SPEED FLASH SYNCH FOR FILL IN FLASH ETC Using the lens shutter and the camera 1 Set the lens U S lever to U Usual shutter jointly Photo 1 When the lens shutter is used jointly with 2 Set the camera shutter to 8 speed of 1 8 the camera s focal plane shutter the leaf sec 0 slower so that its operation does shutter lens enables high speed electronic not interfere with that of the lens shutter flash synch between 1 30 and 1 500 sec Photo 2 a must for outdoor portraits requiring fill in 3 When using electronic flash or flash bulbs flash etc In addition flash bulbs may also plug the flash synch cord into the lens be used with the lens shutter refer to Flash Terminal Photo 3 page 14 The procedure for using the lens shutter to provide flash synch is as follows ou Set the shutter speed of the lens shutter by adjusting the lens shutter speed ring Also set the tens aperture and cock the lens shutter
3. ang free the camera shutter NOTES ON FLASH PHOTOGRAPHY PRECAUTIONS Electronic Flash 20 e Graph comparing fash syoch charactertshes af electiome Hash ME and M Mash bulbs in lation to shutter speeds and shutter movement in mullssecones using the tons shutter Flash Photography Hook both electronic flash units and flash bulbs to be synchronized with the lens shutter to the lens flash terminal and follow the shooting procedure indicated on pages 7 and 8 Electronic flash units synchronize at all lens shutter speed settings from 1 30 sec to 1 500 sec MF and M flash bulbs are the most suitable flash bulbs to use with lens shutter Both types will give full flash at the 1 30 second 40 ms shutter speed setting e MF bulbs will produce 1 2 at 1 60 sec e FP bulbs will give 2 3 flash at 1 30 sec 1 5 flash at 1 60 sec Precatuions e Follow all shooting Instructions carefully to guarantee optimum results e Do not leave the depth of field preview lever set at MAN after closing down the aperture for depth of field preview Always return the lever to the AUTO position before shooting eme Lens mount Pentax 6x7 inner bayonet Construction 6 elements in 5 groups Angle of View 52 5 Shutter Copal C special SLR shutter Speeds 1 30 sec 1 500 sec Diaphragm Fully automatic f 2 8 1 22 Focusing 0 85m 2 75 feet to infinity F
4. by winding the cocking lever fully in the direction of the arrow Photo 4 Advance the film and focus Compose the picture and release the camera shutter button The above steps 1 5 may be performed in random order Notes e When making repeated exposures in the above mode with the lens shutter only steps 4 6 need be repeated for subsequent exposures e If you neglect to cock the lens shutter exposure will be made at the speed the camera shutter is set to e Do not neglect to set the U S lever to U or complete exposure will not be made Cameras with Mirror Lock Up Provision Do not use the mirror lock up lever when shooting in this mode This will result in premature tripping of the lens shutter and ruin the exposure 1 Oa ee TE ee Ma X ot HH 3 MULTIPLE EXPOSURES REDUCED CAMERA SHAKE RSET WITH SINGLE EXPOSURES Using the fens shutter with the camera shutter locked opened Multiple Exposures When the camera s focal plane shutter is locked opened and the lens shutter alone is used to make the exposure the leaf shutter lens proves extremely convenient for making multiple exposures as the lens shutter can be used independently without advancing the film The procedure for making multiple exposures is as follows Set the lens U S tever to S Special this prevents the lens shutter from tripping when you trip the camera shutter Photo 1 Set t
5. he camera s shutter speed dial to the special time setting approximately halfway between 1 1000 sec and X on the shutter speed dial Photo 2 Set the lens shutter speed by turning the lens shutter speed ring Photo 3 Advance the film and focus AT data FH RITA J 918387 5 Press the camera shutter release button This locks the camera shutter opened and simultaneously closes the lens shutter G Release the lens shutter either by a attaching a cable release to the lens cable release socket Phato 4 or b sliding the lens U S fever slowly back toward U to the point where it releases Photo 5 Let go of the lever so that it springs back to S after the shutter releases 7 Repeat step 3 and step 6 above for each additional exposure 8 After you ve made as many exposures as you desire release the camera shutter from the time position by turning the camera s shutter speed dial either back to 1 1000 sec or X Note e Steps 1 4 above may be performed in random order All steps must be performed fully as indicated however to assure that the desired exposure is obtained Single Exposures The lens shutter can also be used to lessen the effects of camera shake with single exposures In this instance simply follow steps 1 6 above then release the shutter from the time position Use of the tens shutter is also recommended for reducing camera shake e
6. lash Built in X flash terminal Filter Size Accepts 67mm bayonet filters Other Features Cable release socket depth of field preview ever shutter cocking lever Size 91 5mm max dia x 62mm length excluding mount Weight 610 grams a e 15 Asahi Optical Co Ltd CPO R95 Tokyn 100 91 JAPAN Pentax Europe n v Weivetdlaan 3 5 1930 Zaventem Zuid 7 BELGIUM Pentax Handelsgesellschaft mbH Postfach 54 0169 2000 Hamburg 54 WEST GERMANY Pentax U K Limited Pentax House South Hill Avenue South Harrow Middlesex HA2 OLT UK Pentax France S A Zt Argentewt 12 Rue Ambroise Croizat 95100 Argenteuil FRANCE Pentax Schweiz AG Industriestrasse 2 8305 Dietlikon ZH SWITZERLAND Pentax Scandinavis AB Box 650 5 751 27 Uppsala SWEDEN Pentax Nederland Spinveld 25 4815 HR Breda THE NETHERLANDS Pentax Norge A S Stenersgt 18 Oslo 1 NORWAY Pentax Corporation 35 Inverness Drive East Englewood Colorado 80112 U S A Pentax Canada Inc 1760 West 3rd Avenue Vancouver B C V6J 1K5 CANADA Asahi Optical Brasileira Ind e Com Ltda Rua Capit o Antonio Rosa 376 Sala 121 Ed PBK S o Paulo BRASIL 56799 ENG 4 87 Printed in Japan
7. relation to the camera shutter Please read this booklet carefully to acquaint yourself with the methods of operating the lens oe eee ee A nen PO ine nt we CONTENTS 11717 DESCRIPTION OF PARTS lt even s35 ee eae 2 MOUNTING USE AS A NORMAL LENS 0 lt ee a ee 5 HIGH SPEED FLASH SYNCH for fill in flash BROS ass se 7 8 MULTIPLE EXPOSURES REDUCED CAMERA SHAKE WITH SINGLE EXPOSURES 10 11 USING THE LENS SHUTTER WITH ACCESSORIES o o oo ms 12 13 NOTES ON FLASH PHOTOGRAPHY PRECAUTIONS 14 15 SPECIFICATIONS 5 x lt MOUNTING USE AS A NORMAL LENS When used without cocking the lens shutter the SMC Takumar 6x7 90mm lens functions in the same manner as any other fully automatic diaphragm SMC TAKUMAR or SMC PENTAX lens The angle of view produced by its 90mm focal length is slightly less than that obtained with a 50mm lens in the 35mm format which places it in the standard lens category A quick bayonet mounting system has been employed that enables mounting the lens to the inner mount of the Pentax 6x7 camera and fully automatic diaphragm action assures bright full aperture focusing Lens Mounting To mount the lens simply align the red diamond shaped aperture index on the lens with the red dot on the camera body and insert the tabs of the lens mount inside the
8. ven with Pentax 6x7 cameras featuring a mirror lock up provision as this is more effective than use of the mirror lock up alone 11 USING THE LENS SHUTTER WITH ACCESSORIES Auto Extension Tubes With both types of shooting Auto Extensions Tubes nos 1 2 and 3 may be synchronized for close up shooting with the lens shutter if used independently Joint use of the extension tubes is not recommended however as they will not synchronize properly Auto Bellows When the auto bellows is used joint use of 3 Ready the lens and the camera shutter as the lens shutter and the camera shutter is not indicated in steps 1 4 on pages 10 and 11 recommended as proper synchronization is 4 Depress the double cable release button and difficult to obtain However the auto bellows lock it by tightening the locking screw and the lens shutter can be used together with Photo 2 This closes the Jens shutter the camera shutter locked open The procedure 5 Next press the camera shutter button to is as follows lock the camera shutter opened 1 Attach both the camera and the leaf 6 Complete the exposure as indicated in shutter lens to the Auto Bellows Unit steps 6 and 8 on page 11 2 Screw the end of the double cable release e After tripping the lens shutter do not with the red ringed tip into the bellows cable release the stopper screw of the double release socket Photo 1 Leave the other cable release until after you have closed end h

Asahi Pentax 6x7 Operating Manual

Contents

Download Pdf Manuals

Related Search

Related Contents