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10-03-2018, 10:30 AM - 2 Likes   #1

Join Date: Jun 2015
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Pentax-A 70-210 F/4 + 55mm macro

In case anyone is interested in reverse lens on another lens for macro, I tried mounting an old Fuji f/2.2 55mm prime onto the Pentax-A 70-210 f/4 with a 58mm-49mm step down ring. Here is a shot at about 1.5x magnification, f/9, ISO 80, 1/160 mounted on a Pentax K-5 with an off-camera flash (not cropped):

You can get reasonable sharp shots with interesting out of focus areas. Past 120mm on the Pentax-A (so about 2.2x magnification) the image quality degrades a little. It doesn't cover the whole image circle on APS-C as you can see. I have a dedicated macro lens as well but I find the larger magnification and odd dreamy look to the background rather interesting for certain subjects. This was shot handheld with some difficulty. Seems best for indoor macro with a tripod.

Last edited by automorphism; 10-03-2018 at 10:30 AM. Reason: Small edition
10-03-2018, 01:18 PM   #2
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10-03-2018, 01:22 PM   #3
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The slippery slope of reverse lenses. Great shot and I agree, the dreamy look with the background is very nice!

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