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Magnification: 20x-60x 15x-45x OBJ.Lens DIA: 60mm\45mm
Prism Type: BAK4
Field of view: 2.1-1.08
Exit Pupil: 3.2-1.10mm
Exit Relief: 17-13.5mm
Optical Coating: Full Multi Coated
Waterproof: Nitrogen;
Floating on the water Volume: 340X78X140mm