Fast F/1 reflective Maksutov microscope objective

20150206_2Originally suggested by Maksutov, a Maksutov microscope objective (or eyepiece) is a reverse Gregorian type reflective objective. It has high numerical aperture and has corrected spherical, coma and color aberrations. It requires a field flattener to correct the field curvature, but for on-axis observations, it has a long working distance and short total track.

Originally published 6.2.2015 by Jani Achrén. Read the rest from here.

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