Optical tooling
517101 Diopter Tester
Model 517101
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Used to check the range and establish the “zero” setting of focusing eyepieces for optical products.
Used to check the range and establish the “zero” setting of focusing eyepieces for optical products.
Details
Info
- 3x magnification
- 1 3/8” diameter
- 8” minimum focus
- Range of 9 diopters from +4 to -5
- Zero setting at infinity
- 13 mm aperture
- 3½” length
- 4¼ mm diameter of exit pupil