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Your question, as asked, is possibly tackling your problem from the wrong side. You want a large format camera, you have a large format lens, your large format lens has no shutter, modern large format shutters are expensive... Can I use a small format lens and its shutter on my large format camera? This line of thinking has skipped over the more direct ...


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Experimental lenses that can be upcycled into this kind of application are more likely found in junked projection gear (eg overhead projectors, epidiascopes, old school video projectors, rear projection TVs) than in any cheap kind of camera, so keep your eyes open regarding that kind of opportunity. Some very old school, simple SLR long focus lenses (that ...


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The camera lens projects an image of the outside world on the surface of photographic film or digital sensor. The focal length of this lens is a measurement taken, lens-to-image, when the lens is focused on a far distant object (like a star). The focal length defines how big images of objects will be. The longer the focal length, the bigger they image. All ...


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Focus is not the issue here. The issue is coverage. Any lens gathers light from a cone in front of it (angle depending on the focal length), and projects it to a cone behind it (angle depending on coverage). So long as the lens is far enough away from the film plane, there exists some plane in the real world that will be focused on the film plane. But......


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So, the Jobo tank looks like this: Your streaks look to be identically spaced to the support beams on top and bottom of the holder. The horizontal development line looks to be where the water level sat most often. Looks to me like not enough liquid was used in the development phase causing uneven and streaky development.


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I have no clue how that is processed, but as a pure guess & because answers in comments are frowned upon I'd be looking at "clip dribbles" It looks like they were hung upside down from a bulldog clip to dry. They're strangely evocative, btw - I fully expected to see horses in at least one, & maybe a guy in flat hat & baggy trousers with ...


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