Search found 2 matches

by macjack
Tue Jun 16, 2020 3:51 am
Forum: Equipment Discussions
Topic: Raynox 250 strange image sharpness at wide aperture
Replies: 5
Views: 1102

Guys, thankyou so much. This all makes so much sense now! I feel like an idiot but it's fantastic to finally get an explanation. Just for good measure I'll show you the cropped images (using the method from the link). I used stacking software so apologies if these comparisons aren't very good, the p...
by macjack
Mon Jun 15, 2020 2:52 pm
Forum: Equipment Discussions
Topic: Raynox 250 strange image sharpness at wide aperture
Replies: 5
Views: 1102

Raynox 250 strange image sharpness at wide aperture

Hi, I've been focus stacking with my raynox 250 at f/8 (Nikon D750, 105mm macro and raynox 250 with flash, and using an electronic focus rail). The sharpness of my stacks are terrible. However when I stack at f/18 the stacks are much sharper, which seems counter intuitive because you'd think diffrac...