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Au Reflex Coating
10mm 5385-4CX PELCO® Biology Tweezers
for 25mm dia
Holds 20 flat blocks
Heavier and/or larger specimens
500nm Diffraction Grating Replica with Latex Spheres PTFE over SS Au Reflex CoatingDESCRIPTION magnification calibration specimen Two in one; this standard for calibration provides a double check of the accuracy of magnification calibration. It is particularly useful at higher magnification; up to 150,000x. The latex sphere size is 261nm and the carbon cross line grating replica with Au Pd shadowing has a pitch or "d" spacing of 500nm or 2000 lines mm. Replica has well defined trench type grooves, which makes it easy to measure the
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