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Pin Hole Imaging Project


I'm retired and living in Northamptonshire, so plenty of time for photography.
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Pin Hole Imaging Project

16 Jan 2021 9:23AM   Views : 446 Unique : 342

There is quite a bit of 'fringe' enthusiasm for pin hole cameras on the web. Probably quite a few of us made these as either a science project at school or as an introduction to photography.
When assessing the noise and sensitivity of my EOSR sensor, I thought this would be more than sensitive enough to use in a pin hole IMAGER, as distinct from camera. Here the idea was for the optics to emulate a pin hole camera but the image would be recorded electronically using the camera sensor. Why? I had several targets/ ideas in mind...

Potential for interesting imaging/ rendering
Think about the image, not clinical sharpness/ contrast
Target resolution approaching digital projection levels (1000 pixels wide)
Try and combine the abstraction of true pinhole photography with modern imaging technology
Pin Hole photography with real time composition
Hasn’t been done before to my knowledge, with anything like this target resolution, so really different!
Why not?

Anyone interested? I think I succeeded, but the imager had to be quite large to achieve the target resolution. Portable, but not something you would take up a mountain.

here's a photo of the imager...

and as a taster here is a 'PIN HOLE selphy'


I was very pleased with the central resolution, colour rendition and vignetting (you always get some due to the pin hole thickness).. the subject is less interesting, but it was really just a test.

If there is interest I'll write up some notes on the design, some of the problems I had and some images. I really need to get out more with this... thought there might have been some good snow scenes this morning, but just dull, grey, sleet, damp...

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dudler Avatar
dudler Plus
20 2.2k 2064 England
19 Jan 2021 12:10PM
Real-time shooting with a pinhole became possible a few years ago - my first experiment was in 2013, with a Sony Alpha 55 and a pinhole made of kitchen foil. I've used it a few times since then, but resolution hasn't got anywhere near the level you've achieved.

The combination of an electronic viewfinder and high ISO made hand-holding in sunshine possible. Now - on to your other blogs...

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