Posted: Tue Feb 16, 2016 12:09 pm Post subject: 28mm f2.8 SMC Pentax-M stopped down |
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pentaxpete wrote:
I found a print taken in 'Birlng Gap' East Sussex, where I had tried my 28mm f2.8 SMC Pentax-M lens stopped down to minimum f22 -- on a 16x12" Darkroom enlargement it is not really 'sharp' anywhere due to 'diffraction' effect. I use an ME Super, Graduated Grey filter, tripod and that Kodak 400 ASA C41 B&W film which I developed myself.
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