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I wonder would kind of PPI you could get by mounting a new iPhone at the sweet-spot focal distance, inside a properly-lighted box?
by unsupp0rted 4y ago
I wonder would kind of PPI you could get by mounting a new iPhone at the sweet-spot focal distance, inside a properly-lighted box?
- jeffbee 4y agoAn iPhone can't focus any closer than several centimeters away.
- Gigachad 4y agoThe macro lens on the 13 and up focuses best at about 1.5 cm but it seems to have issues with being out of focus in the corners.
- lm28469 4y agoIt's called field curvature and even modern macro lenses show some of that. You need a lens that's designed to reproduce flat subjects to get something decent: https://www.closeuphotography.com/lens-tests https://www.closeuphotography.com/lens-tests
- xuhu 4y ago...and would there be any distortion in the result ? If this works, it should also work for printing sewing patterns which are a pain to copy by hand.
- iamtedd 4y agoDepends, can you turn off the post-processing?
- Symbiote 4y agoI think a second hand digital camera would be cheaper and easier to use, as well as better quality. Maybe worth a 3D printed holder like this. https://www.thingiverse.com/thing:3645894 https://www.thingiverse.com/thing:3645894