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Forum: Pentax K-5 & K-5 II 10-14-2010, 12:51 PM  
K-5 possible diffraction limitations
Posted By snostorm
Replies: 37
Views: 10,266
Hi bert,

Life is full of compromises. I have very few lenses that go beyond f22, and none that go past f32. I've never, in 6 years of shooting DSLRs, used f32. I'll use f22 or more shooting macros and sacrifice a little resolution to diffraction for additional DOF if needed.

A better solution has been to add a TC and shoot at greater subject distance with the same magnification. IMO, this is not a practical limitation to the camera, and like most "limitations", can be worked around with a little creative thinking and photographic knowledge.

I think a lot of people get bogged down with technical intricacies that have little to do with practical photography -- like how the image looks at 300% on screen as opposed to how it looks in their actual target medium -- like an 8x10 print. Digital photography has encouraged this, and it's a good thing as this has forced incredible improvements in potential IQ in just 10 years. It's also raised a generation of photographers who obsess about trivial technical details. . .

I recently went to see an Henri Cartier Bresson exhibit at the Art Institute of Chicago. Not my style of shooting, but what a head slapper when it came to comparing his perception to my by-the-book "standards" of IQ and composition. . .This really opened my eyes. . . very few prints larger than 8x10, compositions that would make most trained artists cringe, motion blur and grain, lots of shots of backs of people's heads. . . and an attention to detail and in many cases a sense of humor/irony that's just astounding. . .What great learning experience to discover just how much there is yet to learn. . .

Scott
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