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Brown: RA442-3
The Rodenstock Measuring Eyepiece upgrades your RSL 2100 or RSL 2600 with a calibrated observation eyepiece for quick
and report generation
well-defined streak reflex
Prism: X-Y
INS-11113 | Blue Light Tester Hand-Held Brown: RA442-3The testing principle uses four different wavelength light sources in the table below to irradiate the transparent substance under test. The sensor detects the intensity of the same light source passing through the transparent substance under and the incident intensity. The ratio of the two is used as the transmittance, which is displayed as a percentage. Mainly used for testing the optical performance of transparent materials for eyeglass lenses,
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