Not to be repetitive the cylinder is the value of the difference of the two Primary powers if you want to say it has power that is fine. If it has a power than it has to have a value plus or minus....
You seem to have answered you own question? I'm not sure what else I can add. The cylinder power is the difference between the principal meridians, 5 diopters. In this case it's -5.00 because we all...
I'm pretty sure this happened Jan 1 of 2019. Zeiss moved all freeform lenses and coatings in house. Why would you even bother trying to get Zeiss lenses if you hate them so much?
I’ve talked to three labs that used to be able to get Zeiss and had a fine relationship with them. Now they can’t get any of their products. I’ve said it before, and I’ll say it again, I hate Zeiss....
The cylinder represents the difference in power between the two principal meridians. When neutralizing the lens in a vertometer you will not find a reading of -5.00 only 0.00 and +5.00 the powers in...
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Not to be repetitive the cylinder is the value of...
Not to be repetitive the cylinder is the value of the difference of the two Primary powers if you want to say it has power that is fine. If it has a power than it has to have a value plus or minus....
Lensman11 01-17-2021, 01:48 AM