LOMO Microscope Objective - Achromat 21x0.40, Polarisation

Magnification: 21x
Numeric aperture: 0.40
Correction : Achromat
Focal length: 8.1mm
Working distance: 1.50mm
Parfocal height: 11.4mm
Tube length: 190mm
Spectrum range: 400-700nm
Research method: Polarisation, Reflected light, Bright and Dark field
Contrast method: None