NA: 0.10 / 0.30 / 0.40 / 0.70 / 0.85 /1.30
Working Distance(mm): 16.15 / 9.57 / 4 / 0.55 / 0.65 / 0.21
Focal Lenght(mm): 45 / 18 / 9 / 4.5 / 3 / 1.8
Resolution(μm): 3.35 / 1.25 / 0.83 / 0.46 / 0.43 / 0.26
Depth of focus(μm): 28.5 / 4.5 / 1.73 / 0.62 / 0.40 / 0.25
Field of view on Object(mm): 6.25 / 2.5 / 1.25 / 0.62 / 0.40 / 0.25
Field of view on Image(mm): 25 / 25 / 22 / 25 / 25 / 25

Screw: 4/5X1/36"

Noted:
If you need to convert M25 / M26 / M27 /SM1 threads, you can use an adapter ring

Package: 1pc microscope objective lens

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