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A camera that uses a tiny ("pinhole") aperture in a light screen (flange) as a lens.

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1
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4answers
109 views

What lens designs are sharper than a pinhole lens but also allow for multi-month exposures?

I have a homemade pinhole camera (film) that I use for taking super long exposures (multiple months). And while the results are fun, I would like to improve the sharpness of the image. Is diffraction ...
5
votes
1answer
125 views

Can I get Photographic Paper with lower ISO?

I have been playing around with pinhole cameras using photographic paper (instead of film). Great fun. But when I buy photographic paper, I don't seem to have any options for different ISOs, like I do ...
-2
votes
1answer
157 views

Easy DIY photo paper? [closed]

I have no film for my pinhole camara, and i can't buy any. how can i take easy safe photos? I can't buy anything. I WILL ACCEPT ANYTHING. EVEN LEAVES.
0
votes
4answers
203 views

Are there super-macro lenses for getting “inside”?

As a follow-on to the question How can one capture gun bore shots? I'm wondering how we can get a wide perspective inside a very small space. For example, I like this shot of a .45" barrel with a ...
3
votes
1answer
311 views

Medium / Large Format Pinhole Camera

I'd like to build a large format pinhole camera using photographic paper as the medium. I've found several articles and how-to guides for building small/medium format 4x5 pinhole cameras but nothing ...
4
votes
2answers
2k views

Where can I obtain direct positive paper?

I want to build a pinhole camera, make pictures straight onto paper and develop them myself. From my research online, it seems I need "direct positive" paper. Anywhere I look, I find Harman Direct ...
6
votes
1answer
715 views

How to calculate the optimal pinhole size?

As far as I've understood, optimal diameter for pinhole size is calculated by formula where d - the optimal diameter for pinhole c - constant f - focal length (distance between pinhole and ...
5
votes
2answers
163 views

Can extension tubes be used to zoom in in pinhole / zone plate photography?

In a recent question it was stated that You cannot change the focal length of the zone, it is fixed and a characteristic of the physical dimensions of the camera As far as I know, focal length ...
8
votes
2answers
272 views

What are the challenges of creating a pinhole camera with short focal length?

I have found two challenges of creating a pinhole camera with short focal length (by focal length, I mean the distance from the pinhole to the film): Pinhole size: Short focal length means we need ...
2
votes
1answer
124 views

How to set up a large pinhole photography competition?

I'm looking to set up a large pinhole photography competition in my city. This competition would be open to members of a small college within this city. The plan is to leave a number of pinhole ...
15
votes
2answers
1k views

How to take extremely long (multiple month) exposure photos?

Was just going through an article where it was mentioned that Michael Wesely took a photo of a building being destructed and constructed and the shutter was open for 34 months. How is it possible to ...
9
votes
3answers
468 views

Whats the approximate aperture of a pinhole camera?

There are plenty of different pinholes you can make! Assuming I am being a little bit less creative and I am making a matchbox pinhole camera lens using a drawing pin in a sheet small sheet from an ...
5
votes
4answers
711 views

What's the difference between vignetting and pinhole?

Sometimes people say that a lens has bad vignetting but it looks very similar to the effect of pinhole (darkened edges). What's the difference? If someone asked to have a vignetting effect (in PP) ...
6
votes
4answers
853 views

Are there any pinhole “lenses” available from lens manufacturers?

I know that it is possible to make your own pinhole, but do lens manufacturer's make pinhole "lenses" that include aperture data, etc? If so, who makes them?
6
votes
1answer
387 views

How can I shoot wide angle zone plate photography?

I like the look that is possible with zone plate photography. I've google around a bit and it seems that pinhole and zone plate photography on a DSLR, especially a crop body DSLR, results in medium ...
2
votes
2answers
4k views

Why does depth of field occur?

I wonder why depth of field occur in the first place. This is not a question about what changes the effect/size of field. We all know that. Aperture, Focal Length, Focus Length (distance to subject), ...
5
votes
4answers
1k views

DIY pinhole lens' aperture is ƒ00, which can't be changed and pictures turn out mostly black

I just made a pinhole lens for my Canon EOS 1000D (Rebel XS), but now I have no idea what to do next. The bulb-mode is on and ISO is 400. Camera says the aperture is ƒ00, which I can't change. What ...
10
votes
4answers
918 views

Can a dSLR be safely made into a pinhole camera?

What exactly is pinhole camera? The wikipedia article says A pinhole camera is a simple camera without a lens and with a single small aperture — effectively a light-proof box with a small hole in ...