Does anyone know of any plans or information around on constructing a curved film plane panoramic MF pinhole camera? Looking to build something 6x12 or larger. TFTH
why not base the radius of the curve of your film plane on the focal length of the pinhole?
This is just a half a$$ stab, but why not base the radius of the curve of your film plane on the focal length of the pinhole?
... I do have an Ansco shutter I can use off an old folder and I was thinking about getting a Lenox Laser pinhole the first time around as it looks to fit the shutter almost perfectly. I have brass to make my own pinhole tho.
I have older unusable folders I can gut if need be for film tensioning springs and parts for winding and film rollers. Next step I believe will be a drawing.
The problem that most interests me right now is how to curve rollfilm with any degree of precision.
I can see using a guide on a router table to cut a channel of whatever width and depth and then cutting off the ends of the routed stock (base and top) for length. Question is material. A jewelry roller could roll metal. Balsa might be bendable enough. In order to get flat film you'd either have to have good tensioning on the film or make two curved film partitions, one with the hole.
...My parameters would preferably be something in the standard wide angle category, say 50 to 60mm on a a format size that would give me 5 exposures on a 120 roll; Basically something between 6x12 and 6x17. I do have an Ansco shutter I can use off an old folder ...
I have older unusable folders I can gut if need be for film tensioning springs and parts for winding and film rollers. Next step I believe will be a drawing.
Bowz if you looked at the thread that Marv mentions it looks like a pretty good idea for a curved plane. My idea was kind of the same. Look at the routed base on it which gives you an exact radius for a partition guide. I like the idea put forth by Indigo at F295 instead. I'll be drawing mine and workiing out the details while I watch the Olympics.
Yea I got parts up the ying yang. I also have three Graphic bodies I'm going to play with.
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