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420 Stereo Microscope Auxiliary Lenses

420 Stereo Microscope Auxiliary Lenses
SKU:7X5-420
Price: $130.00
Auxiliary objective lens for the National Optical 420 series microscopes. Untitled Document
Objective
Lens
Magnification
Change
Field Diameter
Change
420 Microscope
Working Distance
1x
None
None
75mm
0.5x
- 50%
+ 100%
131mm
0.75x
-25%
+ 25%
91mm
1.5x
+ 50%
- 35%
33mm