The Sigma 20mm f/1.4 DG HSM Art lens features an optical design comprising 15 elements in 11 groups, including F low-dispersion (FLD) and special low-dispersion (SLD) elements, alongside super ...
If you are interested in testing your phone camera lenses and optics, you may be interested in a new testing card name, the µChart. Created by the team responsible for the iMicro Q range of microscope ...
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