3 ms·
I assume the distortions at the edge of the 'photos' is due to the X Y scanning rig. Moving the sensor around the edge of a sphere (on a curved X Y (and a littl
by monk_e_boy 10y ago
I assume the distortions at the edge of the 'photos' is due to the X Y scanning rig. Moving the sensor around the edge of a sphere (on a curved X Y (and a little bit of Z) rig, the focal point being the center of the sphere) would sort that right out.
I expect the 3D printer could make a curved rail for the rig.
Or you could point the sensor at the center of the pin hole or lens using a mechanical linkage, then use some software to warp the resulting image.
- d--b 10y agoNo it's a property of pinhole diffraction: https://en.wikipedia.org/wiki/Airy_disk https://en.wikipedia.org/wiki/Airy_disk
- monk_e_boy 10y agoThe buildings at the edge of the photos look warped. Like an extreme fisheye lens would do. Airy disk affects brightness and sharpness, not warping. You could put a camera lens where the pin hole is to negate this warping, but that defeats the point of a pin hold camera.
- cma 10y agoYes, it is proably more petzval field curvature than diffraction limiting: https://en.wikipedia.org/wiki/Petzval_field_curvature https://en.wikipedia.org/wiki/Petzval_field_curvature
- deleted 10y ago[deleted]
- Artlav 10y agoAbout half of the pictures in the article are taken with the lens assembly. Pinhole is good for outdoors and sunshine, but is useless for MWIR/SWIR and indoors scenes, even with my 600W Metal Halide lights. The lenses give the radial blur at the edges effect, pinhole gives the darkening at the edges effect.
- elcritch 10y agoI am intrigued by your ideas and would like to subscribe to your newsletter... Joking aside interesting projects! Could you send me an email? Perhaps I can convince you to do some consulting work. Haha, the world needs more predator vision! Though ya née gavayete pa Ruski.
- Artlav 10y agoNewsletter might be too big of a word, but i do publish various stuff i work on at http://orbides.org/ http://orbides.org/ You can also find the e-mail over there in the bottom-right corner.