new LOMO APO objective 20x 0.65 microscope Zeiss

Description

You are bidding on
Apochromat Microscope Objective Lens
20x  0,65
for biologic,bacteriologic or other investigations.
Apochromat objective corrected better than achromat,corrected spherical aberration and coma,practically adsence second spectrum;recommendation to use with compensation eyepieces.
Magnification: 20x
Numeric aperture: 0,65
Immersion: -
Tube: 160mm
Working distance: 0,67 mm
Parfocal height: 33 mm
Focal length: 8,4 mm
Correction : Apochromat
Research method: None
Contrast method: None
Objective seems never used. Glasse clean and without any delamination
Happy bidding !
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