The photographer is looking for generalized feedback about the aesthetic and technical qualities of their image.
Description
(UCP - Up Close and Personal) I discovered Little Prince a couple mornings ago and he was accommodating enough to let me get the high mag rig out and get some wing detail shots. I was able to get my plane of focus lined up properly in an attempt to get edge to edge sharpness. I rotated the image 90 degrees to give it a vertical orientation which suits my eye better but the original orientation is posted for your comparison. >=))>
Specific Feedback
I often hear comments regarding the degrading effects of diffraction with small apertures but I’m not sure what I would see if it played any role here. Yor thoughts?
Technical Details
Sony A77II
Minolta 200mm macro, Kenko 1.4xTC
ISO 1600, 1/8 @ f32
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Amazing detail in that wing! How fortunate that the butterfly allowed you to get that close and let you work to get its wing all in focus. I don’t see any softness due to diffraction either. Personally I like the horizontal orientation best.
Bill, this looks great. Edge to edge sharpness AND high magnification. I agree that the vertical “feels” better. I’m guessing it’s a reaching for the sky sense.
As far a diffraction goes, it’s useful to keep in mind that lens diffraction is tested with a machine that has much better resolution than human eyes. The result is that we mere humans can’t see much difference until the lenses get stopped down a lot. I’ve tested my macro lenses using graph paper and find that I start to see a subtle reduction in sharpness at f/22 and higher when I’m looking 100%. I’m not sure how that would translate into how far away a person with perfect vision would be standing from say a 36" long axis print, plus the printing process has it’s own resolution limits. At NPN sizes diffraction is unlikely to be seen even when stopped down completely. I have also tested my 180 macro with an unmatched 1.4x TC and there I could see slightly reduced resolution relative to a similar magnification view without the TC at any aperature. Again, unlikely to be noticed unless you’re making a large print and doing a side by side visual comparison…who would even want to do that???
