20X Infinity Corrected Long Working Distance Objective
20X Plan achromatic objective
Parfocal distance 95mm
Working distance 31mm
Focal length 10mm, N.A. 0.29

10X Infinity Corrected Long Working Distance Objective
10X Plan achromatic objective, working distance 34mm
Focal length 20mm, N.A. 0.28, D.F. 3.5μm
FOV Ø2.4mm(Ø24 Eyepieces)
Resolution 1μm

50X NIR Infinity Corrected Long Working Distance Objective
50X Plan achromatic objective
Working distance 20.5mm
Focal length 4mm, N.A. 0.42, D.F. 3.5μm
FOV Ø0.48mm(Ø24 Eyepieces), Resolution 0.7μm
Wave range: 400nm~1200nm

Parameter Name	Parameter Value
Other characteristics	plan achromatic
Focal length	4 mm, 10 mm, 20 mm(0.16 in, 0.39 in, 0.79 in)