Most consumer point and shoot digital cameras say something like, "5x optical zoom," or "9x optical zoom" on the box. But, when you move up to micro-4/3s and SLRs, you lose that. It makes sense - the ...
The magnification (or power) you will see through a given optical system depends on the telescope and the eyepiece. The simple formula is: Magnification = Focal length of telescope ÷ focal length of ...
To develop novel confocal fibre-optic laser method (CFOLM) for accurate and objective measuring of the dioptric power of both positive and negative intraocular lenses (IOLs). The CFOLM principle of ...
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