• Commercial Quality Flat Windows
• Precision Flat Windows
• Precision Wedge Windows
• Brewster Angle Laser Windows

Precision Flat, BK7 Optical Glass

Diameter Tolerance +/- 0.125 mm Thickness Tolerance +/- 0.125 mm Surface Quality 20-10, scratch-dig or better Clear Aperture 90% Edges Fine ground and beveled

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Diameter, mm (inches) Thickness, mm (inches) Parallelism Flatness Part Number Price Each (USD) In Stock Quantity to Order Add to Cart               25.4 6.35 10' 1/4 wave E610250 37 Email               38.1 6.35 10' 1/4 wave E615250 55 Yes               50.8 9.53 10' 1/4 wave E620375 73 Yes               25.4 6.35 5" 1/10 wave E810250 89 Email               38.1 6.35 5" 1/10 wave E815250 126 Email               50.8 9.53 5" 1/10 wave E820375 160 Email

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