BK7, D: Ø25mm, t: 4.3 mm, S-D: 20-10, Uncoated, r: 120 mm, Concave

Description

• Type: Concave Mirror Substrates
• Diameter ØD [mm]: Ø25
• Radius Tolerance: ±2%
• Thickness of the edge te [mm]: 5
• Thickness of the center tc [mm]: 4.3
• Radius of curvature r [mm]: 120
• Focal length f [mm]: 60
• Material: BK7
• Spherical accuracy: λ/2
• Clear Aperture: 85% of actual aperture
• Surface Quality (Scratch-Dig): 20-10
• Surface Quality (Scratch-Dig) With Coating: 40-20
• Rear Surface: Ground