Phase One M645 User's Manual
Contents
1. ECT NOT CORRECT No cables are required be tween the H 10 M645 and the Mamiya 645AFD when auto focus lenses are used Flash sync cable must be connected to the Mamiya 645AFD camera house When using AF lenses the flash sync cable must NOT be connected to the camera back H 10 M645 Getting Started Using manual focus lenses The provided short flash sync cable shall be con nected between the C plug on the H 10 M645 and the lens sync plug The flash system sync cable shall be connected to the H 10 M645 F plug Only exposure times between 1 250 sec and 30 sec are supported When using a manual focus lens in continuous light you must manually compensate for a small underexposure i e with the setting of the aperture Exposure time Loss in exposure 1 60 sec 1 3 f stop 1 125 sec 1 2 f stop 1 250 sec 1 f stop Operating the camera from the host computer The supplied motor cable must be connected between the M connector on the H 10 M645 and the 8 pin connector on the Mamiya camera house AF lenses as well as manual fo cus lenses can be used H 10 M645 Getting Started 4 Maintenance Cleaning the IR filter When the H 10 M645 camera back is not attached toa Mamiya camera the camera back shall be protected with the protection plate Still dust particles can stick to the IR fil ter This will degrade the image quality The cleaning procedure for cleaning the IR filter is descr2. H10 M645 GETTING STARTED PHASE ONE Phase One A S Phase One U S Roskildevej 39 24 Woodbine Ave DK 2000 Frederiksberg Northport New York Denmark 11768 USA Tel 45364601 11 Tel 00 631 757 0400 Fax 45 36 46 02 22 Fax 00 631 757 2217 Notice The name Phase One is a trademark of Phase One A S The names Apple Macintosh Mamiya Microsoft Windows and Adobe Photoshop are all registered trademarks of their respective companies All specifications are subject to change without notice Phase One takes no responsibility for any loss or damage sustained while using their products This manual 62002 Phase One A S Denmark All rights reserved No part of this manual may be reproduced or copied in any way without prior written per mission of Phase One Printed in Denmark Part 80013001 Table of Contents 1 Contents 1 Introduction keg kerksetv S asanie 2 2 Special H 10 M645 features 3 Aulo expPosure satsane akk sed 3 Double exposure protection 0 ccc cece eee een 4 Image orientation detection 2 2222er 4 IR filter on the CCD 0 0 ccc cnc cece teen een nes 5 3 Getting ready for taking pictures 6 Mounting the viewfinder mask 0 0 cece eee eee e ee 6 Mounting the H 10 M645 on the Mamiya 645AF 7 Use orakler eie 8 Using manual focus lenses 00 ccc cece cence 9 4 Maintenance 00 cece eee eee 10 Cl
3. Special H 10 M645 features Auto exposure The Mamiya 645AFD can work in different auto exposure modes This is fully supported by the H 10 M645 which com municates the equivalent film speed of the digital back to the Mamiya 645AFD camera The default film speed of the H 10 M645 camera back is ISO 50 However this setting can be changed to 100 200 or even 400 ISO inside the Capture One application Film curve Film curve natural black gt b It is recommended to capture images using a film curve That is done by selecting the film curve in the Capture One software Click the camera icon in the icon bar and select Film Curve or Film Curve Natural Black When capturing with auto exposure modes exposures be tween 1 4000 sec and 30 sec can be obtained Please note that images captured with exposure times longer than 2 sec can be degraded because ofincreased digital noise H 10 M645 Getting Started Double exposure protection When using the M645 with a H 10 M645 it is not possible to accidently double expose the image by capturing one image quickly after another The H 10 communication with the M645 is disabling capture functionality in the camera when necessary At the end of an image exposure the image information in the CCD has to be moved from the CCD to the host com puter During this short period of time the CCD must be pro tected from light exposure The H 10 M645 ensures a safe emptying of t
4. eaning the IR filler 0 cee cece nee e ee 10 Cleaning between the IR filter and the CCD 10 5 Current limitations 0 0 cee eee 11 Continuos capture mode 000 0 cece cence eee ees 1 6 Technical data 0 12 H 10 M645 Getting Started Introduction The H 10 for M645 is a single shot digital camera back for the innovative Mamiya 645 AFD camera The Mamiya 645 utilises a hybrid TTL phase difference detection type auto focus system Further more the Mamiya 645AF provides auto exposure settings The Mamiya 645AFD with a H 10 M645 back encourages all kinds of photographic uses from portraiture and wide angle photography to high speed shooting to capturing fast action with telephoto lenses This exiting combination is a result of a joint development project between Phase One and Mamiya OP The functionality of the H 10 M645 is well integrated with the Mamiya 645AFD camera The H 10 M645 camera back communicates with the Mamiya camera through a fast inter nal electrical computer interface The H 10 M645 is based on the highly recognised Phase One camera back technology The application software for the H 10 M645 is the same as for all other Phase One single shot products The Capture One User Guide is a general manual for these products This Manual H 10 M645 Getting Started covers only specific H 10 M645 features and func tionality H 10 M645 Getting Started 2
5. g the focus screen before the focus screen is mounted The black mark on the mask must be orien tated to the left front corner of the bracket H 10 M645 Getting Started Mounting the H 10 M645 on the Mamiya 645AFD The H 10 M645 is fully integrated with the camera house and acts as a true part of the whole camera system When no cassette is attached to the Mamiya 645 AF camera house the mirror is up and the shutter is open This is the correct position when no film cassette is attached When attaching the M645 to the camera house the shutter will close and the mirror comes down It is important to ensure that the bottom part of the H 10 M645 camera back is pressed well into the locking mecha nism before the upper locking mechanism is pressed to gether Failure to do this can in some circumstances bring the Mamiya camera house in an error state of continuos opening and closing the shutter The same procedure is rec ommended for all film cassettes In case this error appears you simply have to remove the H 10 M645 Notice if the shutter is in the closed position at tach and remove the H 10 to make sure that the camera house gets in the correct starting position To avoid that the H 10 is released by mistake from the cam era house you can use the enclosed screwdriver to lock the H 10 M645 locking mechanism Step 1 Step 2 Step 3 H 10 M645 Getting Started Use of cables Using auto focus lenses CORR
6. he CCD by ignoring the shutter release from the Mamiya camera Image orientation detection The CCD in H 10 M645 is positioned in landscape orienta tion Whenever an image is captured in portrait position by rotating the camera an internal sensor detects this new po sition and the image will appear as a correctly oriented im age in the Capture One application 3N 3SVHd z s a lt PHASE ONE CI Camera orientation Images can be captured in all three positions and will appear with the correct orientation in the Capture One software H 10 M645 Getting Started IR filter on the CCD The IR filter Phase One TG1 Infrared cut off filter is placed on top of the CCD The filter may not be removed for several reasons The focusing of the H 10 camera back will be damaged It is only possible to remount the filter without dust in between the filter and the CCD if you have access to special clean room facilities The Phase One Product Warranty is terminated H 10 M645 Getting Started 3 Getting ready for taking pictures Mounting the viewfinder mask The image area of the Mamiya 645AF is approximately 6 cm x 4 5 cm The image area of the H 10 M645 is 2 4 cm x 3 6 cm AH 10 M645 viewfinder mask is provided This mask has to be mounted beneath the original focusing screen The viewfinder mask is positioned in the bracket that holds the focusing screen Please refer to the Mamiya 645 AFD In structions Changin
7. ibed in the guidelines for the CCD cleaning kit that came with your camera back Cleaning between the CCD and the IR filter 10 Do not try to clean between the CCD and the IR filter The mounting of the IR filter is done at the factory in a high class clean room This process is a very specialised process that insures an extremely high quality of the glass surfaces of the CCD and the IR filter The screws for locking the IR filter are sealed If the seal is broken Phase One will not guarantee for any particles between the CCD and the IR filter H 10 M645 Getting Started 5 Current limitations Continuous capture mode Continuous capture mode will work as single exposure mode Keeping the release bottom down will only result in one exposure The release button has to be depressed be tween exposures H 10 M645 Getting Started 6 Technical data Single shot camera back for Mamiya 645AFD Electrical computer interface between H 10 M645 and Mamiya 645AFD Full support for Mamiya lenses 1 4000 30 sec Electronic protection against double exposure Orientation sensor for correct display of landscape and portrait images Resolution 3992 x 2656 pixels Image modes RGB Grey or CMYK Pixel depth 3 x 8 bit or 3 x 16 bit for RGB 8 bit or 16 bit for Grey 4x8 bit or 4x 16 bit for CMYK Image area 24 6 mm x 36 9 mm 1 x 1 5 Computer connection IEEE 1394 Power consumption 7 watt Compatible strobe systems When
8. using Auto Focus lenses please refer to the Mamiya documentation 12 H 10 M645 Getting Started 13
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