Time to be with your loved ones

Time to be with loved ones

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3
votes
1answer
92 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 ...
1
vote
3answers
288 views

What is the diameter of the lens' aperture in mm terms?

I'm planning to create a customized aperture effect. Like this one in the Photo. I'll be doing a DIY customized aperture that will be attached to the filter. My lens' widest aperture is F/1.8 ...
2
votes
1answer
246 views

How to fix stuck aperture?

I have a Micro-Nikkor 55 mm 1:2.8 lens. The aperture appears to be stuck. Is it worth trying to repair the lens? Are there any good guides for disassembling the lens?
3
votes
2answers
1k views

What would be a good indoor setup to find a lens's sharpest aperture?

I read the whole of How do you find out the "sweet spot" of a lens? — great question and answer, but it didn't discuss a potential homemade rig for finding the sharpness aperture of my ...