Experiments

May 11, 2013 20:27

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Comments 5

Tiny holes edm May 11 2013, 09:19:39 UTC
Those are pretty good shots: pinhole cameras were never amazingly sharp anyway. And yes pinhole apertures are definitely small enough that defraction will be be a non-trivial issue (I think that's a large part of why they're never amazingly sharp -- like cheap plastic lenses one has to call it "artistic" rather than a flaw, or go invent something else!).

BTW the "dust delete data" option in most DSLRs is practially made for that sort of purpose -- in theory you just take a shot against an evenly lit untextured surface and tell the camera to use that as a dust reference. For in camera JPEG it should then be auto applied. (For RAW it is up to the RAW converter to do that.)

Interesting experiment.

Ewen

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Re: Tiny holes dianavilliers May 14 2013, 10:22:56 UTC
Yeah, I know that my camera has that ability. I just need to work out how to make it go, which shouldn't be too difficult, if I decide to persist with this sort of artistic.

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sarahdotcom May 13 2013, 09:50:30 UTC
I like it!

Weirdly, your earlier posts have disappeared from my friends page.

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dianavilliers May 14 2013, 10:23:19 UTC
How odd. I'm still seeing them...

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sarahdotcom May 14 2013, 15:50:02 UTC
I can still see them on your page, just not mine!

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