Qioptiq Lens Calculator

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This tool allows you to calculate the object size that will fill a given CCD at a given distance with a given lens as well as many other useful parameters such as the depth of field You enter just the focal length object distance image height CCD height and the fnumber or stop radius The latter is used to calculate the depth of field My only criticism is that it is more complex than it need be Seriously you dont need to adjust these parameters by pulling on a diagram just enter the numbers Then the ray diagram is superfluous There is a too long help file but it doesnt actually define the parameters There a diagram would be helpful with the formulae used for the calculations It could even link to Wikipedia definitions of the optical parameters But it is uniquely useful and appears to give physically correct results Good work                 A unique tool for optical instrument design

Robust flexible accurate I like the new nomograph Id not come across that before its a good way to explain the lens equation purely graphically Definitely one to keep                 Really useful app

Thnx Good updates recently Really like options to use different units for different items v practical                 Great lens app

Manages to pack some complex physics into a straightforward app that encourages experimentation                 Great learning tool

Rubbish Way too complicated     Uninstalled cya

Nice coooooooollllllllllllll             

It does exactly what it says Invaluable for lens calculations                 Excellent