Barry S Member Joined Jan 28, 2007 Messages 1,350 Location DC Metro Format Large Format Mar 3, 2010 #1 I'm looking for a 77mm or larger #2 (diopter) close up lens for some lens experiments. I need a single element positive meniscus, so if you have a fancier achromatic doublet-it won't work for my experiment. Thanks!
I'm looking for a 77mm or larger #2 (diopter) close up lens for some lens experiments. I need a single element positive meniscus, so if you have a fancier achromatic doublet-it won't work for my experiment. Thanks!