Hey guys,
I need a replacement for the good ol' faithful takubomatic PM-7 as the mechanism has seized beyond repair. I've seen some floating around in working condition for about $30-$80, (they pop...
I would guess you are calculating the power at 180 and then using Prentices rule for prism. That does not yield the correct answer except if the axis is 180 or 90.Opti campus answer is the correct...
This has been puzzling me for a number of years, I'm sure someone smarter than me knows the answer. If I have a lens with the RX +5.00-5.00 x 45 and I move it 10mm, I understand and expect to induce...
I like utilizing Zeiss stock lens program, and they ship overnight so you dont need to keep a large inventory of different lens materials/coatings. They also sell plano duravision blue protect...
I would highly suggest Vision Ease for poly clear and poly AR as well as high index with AR. They offer a material based blue-light filter in those materials plus CR-39, with and without AR but not a...
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Pattern maker - Takubomatic PM-7 replacement?
Hey guys,
David47 01-15-2021, 08:09 PMI need a replacement for the good ol' faithful takubomatic PM-7 as the mechanism has seized beyond repair. I've seen some floating around in working condition for about $30-$80, (they pop...