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Ships within 48 hours · Estimated delivery Aug 3 - Aug 8
Prism: X-Y
Set Ophthalmic Stand INS-11100 and Chair INS-11102 The INS-11100 ophthalmic stand is a durable and fully equipped option
Smooth feeding: uniform winding helps prevent curling and paper drag
LED illumination with natural color temperature and homogeneous lighting
Dimensions: 18 x 17 x 17 in / 46 x 43 x 43 cm
INS-11113 | Blue Light Tester Hand-Held Prism: X-YThe 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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