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high numerical aperture
The DM500 is a good choice for mid-level students
LED Illumination: Equipped with bright LED lighting
especially for those new to the use of analytical balances
WKM Student Grating Glass Or Diffraction Grating Glass 600 Lines I.e 15000 LPI use of beaker in laboratory high numerical apertureDiffraction Grating Glass Brand: WKM Features: Student Grating Glass Or Diffraction Grating Glass 600 Lines I. e 15000 LPI Size: 63mm x 48mm Lines Per mm : 600 Lines Lines Per Inch: 15000LPI Best Price, Best Quality, Fast & Free Delivery Part Number: KTN488 Details: Student Grating Glass Or Diffraction Glass (for Engineering and Spectrometer) 100% Accurate Student Grating Glass Or Diffraction Glass, Best Quality. Package Dimensions: 2. 0 x 1. 2 x 0. 8
