LOMO Microscope Objective - Achromat F=4.3mm, n.a.0.50

Magnification: -
Numeric aperture: 0.50
Focal length: 4.3mm
Work distance: 0.74mm
Iris diaphragm: No
Immersion: None
Parfocal height: 29mm
Correction : Achromat
Spectrum range: 400-700nm
Research method: Bright field, reflected light.
Contrast method: None

This objective is for unfinity tube.