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Electron Microscopy Sciences Optical Resolution Grating with Ronchi Ruling 2 lines/ mm
SDP

Catalog No. 501901586
Encompass_Preferred

Metallic grating pattern on glass squares with opaque lines approximately 50% of the pitch. Stock items are on 50 mm x 50 mm squares of glass 1.5 mm thick. The glass is B270 with refractive index of 1.52. Mutually perpendicular pairs produce a screen of square apertures. Vacuum deposited chrome gratings on glass substrate. Typically used for testing of resolution, field distortion and parfocal stability, but may be paired to provide interference patterns. 50mm x 50mm B270 glass, 2 lines per mm ruled over full area.

Catalog No. 50-190-1586 Supplier Electron Microscopy Sciences Supplier No. 6809825
May include imposed supplier surcharges.
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Metallic grating pattern on glass squares with opaque lines approximately 50% of the pitch. Stock items are on 50 mm x 50 mm squares of glass 1.5 mm thick. The glass is B270 with refractive index of 1.52. Mutually perpendicular pairs produce a screen of square apertures. Vacuum deposited chrome gratings on glass substrate. Typically used for testing of resolution, field distortion and parfocal stability, but may be paired to provide interference patterns. 50mm x 50mm B270 glass, 2 lines per mm ruled over full area.

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