Joe, your use of available raw materials for pinhole cameras is so inventive, creative, and accessible. Your results demonstrate how creative you are. Thank you for creating a plastic pinhole camera! Who would have thought?😊
@ConstantinSPurcea
6 жыл бұрын
I really, really like the photograph of the running figure. Great video, as always!
@user-ef1nz1pu4i
3 ай бұрын
Amazing video! Can you explain a lil bit of how we can pre flashing paper? I mean..materials,distance,timing? Many thanks in advance!!!
@Joe_VanCleave
3 ай бұрын
Some people use an enlarger with the lens set to F/32. You have to do testing to determine the height of the enlarger and how much time. After development you should have a very faint gray tone, below paper white.
@julianhart3608
6 жыл бұрын
Love your enthusiasm for this paper Joe. I just had to go and get a pack and try some in my old Gandolfi!
@richardvallonjr.6716
3 жыл бұрын
I've done pinhole off and on for many years. You are not getting much light fall off toward the edges- so I think your pinhole is very well (expertly) made and made with a very very thin sheet of metal. You are correct- the images are a bit overexposed. Love your videos.
@tmunk
6 жыл бұрын
Moar still life! :D
@joystickmusic
6 жыл бұрын
Joe, How about a pin hole / direct positive paper camera , that shoots via a mirror, as to get images that are not flipped?
@Joe_VanCleave
6 жыл бұрын
That would work, but you'd ideally need a front-surfaced mirror, one devoid of scratches. There's also the "pin speck" camera concept. I've built two prototypes, but they're difficult to get to work. The idea is a front-surfaced mirror the size of a pinhole, that bounces the image to the film plane. But the difficulty is in keeping stray light from fogging the film, since the tiny mirror needs to be open to both the scene and the film plane. Both versions I made used two "feed horns," the tips connected and angled at 90 degrees to each other. The mirror was in the little box at the tips of the feed horns. Light, say from the left, would pass down the one feed horn, then bounce 90 degrees off the mirror into the other feed horn, at the end being the film plane. I don't think it's possible to have a wide angle camera with the pin speck concept, due to the problem of fogging. So narrow angles of view only. But unreversed images for direct positive paper.
@Frisenette
6 жыл бұрын
Have you thought about flashing at the same time as exposure? You’d potentially need less flashing to get the same beneficial effects on contrast and shadow detail. A LED with a diffusor could probably do the trick.
@Joe_VanCleave
6 жыл бұрын
Some people pre-flash paper negatives in-camera with glass lenses, not pinhole, by putting a diffuser over the lens an exposure time based on a meter reading of the scene. A diffuser disc in place of the pinhole might work for the 3-chamber camera, though because of the wide angle of view, the edges would get less pre-flash intensity than the center.
@killpop8255
2 ай бұрын
After a decade away from wet processes I want back in, and I'm looking at this paper. Question about contrast control. Can you tone the paper and alter contrast in the bleach & redevelopment stages? No darkroom as such to preflash.
@Joe_VanCleave
2 ай бұрын
In this video I wasn’t doing the reversal process, but instead using Harman Direct Positive Paper that reverses into a positive with normal B/W chemistry. The paper isn’t multi grade so you can’t control contrast with color filters. The best way to control contrast with this paper is to control the lifting on the subject. If you try to reduce development, or use a more dilute developer, it’s too easy to get poor shadows or even the reversing action won’t happen at all.
@killpop8255
2 ай бұрын
@@Joe_VanCleave thanks. I asked because of the number of videos you've done with this paper, not particularly this vide. I did see a video last night where a yellow filter got good tonal results but not sure why tbh. Anyway back to toning I just vaguely remember bleaching back images as part of the process. So thinking if the image was too dark and contrast you could bleach back to what you want tone wise? Maybe not because of the inversion.
@killpop8255
2 ай бұрын
@@Joe_VanCleave if KZitem isn't deleting my posts again the yellow filter vid is here see from 14 mins. Black and White Paper Reversal - getting some nice results now!
@Joe_VanCleave
2 ай бұрын
@@killpop8255 Most people who work with paper use multi grade, whose high contrast part of the emulsion is activated by the blue and UV in daylight, hence why yellow filters are often used to control excess contrast. I’m using fixed grade 2 paper which doesn’t need filtering and therefore is faster than filtering MG paper with a yellow filter. As for toning, I haven’t done so in the reversal process, but this means there’s plenty of opportunity for experimenters to tinker with it.
@killpop8255
2 ай бұрын
@@Joe_VanCleave I don't have a darkroom to tinker but I can get a very small blacked out area just for dev, stop, fix single sheets of 54. Just wondering if I can err one side of good exposure / contrast. I got the paper today. "Only" need all the rest!
@StephenThorley
6 жыл бұрын
Do you do anything to hold the paper in place for the pvc pipe?
@Joe_VanCleave
6 жыл бұрын
The paper stays in place due to the curve of the pipe and stiffness of the paper.
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