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Anyway...
I did some test shots of a pin that's about 1 1/8"tall. I had to use my macro tube without any spacers and I was about 4 or 5 inches away IIRC. Couldn't focus any further away as I was screwed all the way in. (damn nikon flange distance)
Here's the pin at f1.4. All I did was adjust the basics in lightroom.