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17th December 2007 - X&Y Optics New Tech Meeting

 
 

Double-Concave Lens


Features:
High Precision Dimension Control Optional Substrate Material

Applications:
Projection Systems
maging Systems
Laser Measurement Systems

Specifications

Parameter See below
Design Wavelength 480, 546.1, 643.8 nm
Diameter Tolerance -0.00/-0.15mm
Thickness Tolerance +/-0.10
Focus Length Tolerance +/-2%
Centration <3 minutes
Surface Quality 40-60
Surface Figure λ/4@633nm
Clear Aperture Central 85% of diameter
Bevel 0.25mm x 45<
Coating Single layer MgF2 AR coating or specified by customer
Materials BK7SF8SF6 etc.
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Tel: 0086 431 85889130 Fax :0086 431 85889120 Email: china@xyoptics.com