Olympus MDPlan 10x/0.25 ∞/-

Serie: LBM objectives
Family: M D Plan Achromats
CAT. NO.: 1-LM531

Compatibility

Parfocal length: 45mm DIN
Thread: RMS
Infinity corrected, f=180mm

Not fully corrected, should be used with WHK eyepieces or NFK photo-eyepiece and the right tube lens found in the BH2-MA or BH2-UMA.

Specifications

Magnification: 10x
Numerical Aperture: 0.25
Working Distance: 7.00mm
Coverslip Thickness: -
Field Number: 20.0mm
Correction level: Achromat
Focal Length: 18.1mm
Original Price: $664.00
Lens groups: 4

Exploded parts diagram

References

From allanwood.net: