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Plano-Concave Lenses
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Specifications:
Material | BK7 or UV fused silica |
Focal Length Tolerance | ±1% @589nm |
Design Wavelength | 589nm |
Centration | ≤3′ |
Diameter Tolerance | +0/-0.1mm |
Clear Aperture | >central 90% of diameter |
Center Thickness and Tolerance | 2.5±0.1mm |
Edge Thickness | nominal Value |
Surface Quality | 20/10(UVFS)/ 40/20(BK7) |
Surface Accuracy |
≤ 1.5λ power,λ/2 irregularity(UVFS) ≤ 1.5λ power,λ/4 irregularity(BK7) |
Chamfers | 0-0.8mm face width ×45°±15° |
Order Information:
Plano-Concave Lenses:
Note:
Other sizes and focal length are available upon request. Also the lens ring mounts are available upon request.
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