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format -
frame module camera in the 4 x 5 inch large format

nspiriert

I by the multi-format camera by Zero Image, I have my own little by little "system camera" was developed and constructed with an open end. The principle is simple: because you do not focus a pinhole camera by means of a bellows must be extended to extract reciprocally uses pluggable framework, which are held together with rubber bands. On the first frame at the bottom of an aluminum flash bracket is attached with a tripod thread. The "lens board" is 3 mm thick made of black polyester. Then I placed the worn centered round an enlarger board with 42 mm thread, it can take either the lens Obscura-set or the T2-adapter. The two aluminum rails for fixing the plastic plate from the wood of the frame glued 4 mm machine screws, which I had sawed off the heads kept. The rubber bands I've hung in 6 mm screws that are inserted from the inside. The mother is the head of a round Conclusion. For easy alignment, I glued up a level (spirit level) on the frame.



















on the inner, black-painted frame, I have front and rear glued foam rubber strips to improve the light leakage. It would be possible as well be black felt. The dimensions of the frame are suitable for sheet film cassettes or constructs the Polaroid pack film cassette. I have taken as an inner diameter of the outer frame 170 mm x 170 mm. The "lens board" has therefore the same size, everything else follows from the use of wood. A module is 30 mm deep, thus resulting "focal length" of 60 -, 90 - and 120 mm. These range from completely normally. The more context, more unstable and heavy and therefore difficult to handle the construction.



















replaced with 2 frame is a wide-angle camera with an angle of about 108 degrees relative to the 4 x 5 inch film format.

















is properly stable, this design by using aluminum L-profiles, which are fixed with machine thread screws. Here is the version with 3 frame (90 mm) and Copalverschluß zone plate combination. To compensate for the larger clearance hole / film, caused by the closure, I have the "lens board" built back inside.

















A 70 mm deep extension is used for inserts. In the above example is one half of (Papp) cylinder in a sheet of 13 x 18 cm photo paper or film fits. So it is practically the "doses camera" inside my "system"