Product ID:
PROD0010

Biconcave Lens

Negative focal length biconcave lenses, used for beam expanders, optical imaging, and laser systems.

Custom Sizes Available
ISO 9001 Certified
Fast Delivery
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Technical Specifications
Structure Biconcave Lens
Material Optical Glass, UVFS, Ge, Silicon, CaF2, MgF2, ZnSe, ZnS, Sapphire
Available Diameter 0.5mm to 600mm
Diameter Tolerance +0.00/-0.01mm or customer design
Surface Quality 10-5
Surface Irregularity λ/10 PV @ 632.8nm or customer design
Thickness Tolerance +0/-0.01mm
Clear Aperture > 90% of diameter
Chamfer 0.05-0.5mm × 45°
Coating Single MgF2, Multi-layer AR coating
Effective Focal Length Range from -20 to -250mm (SD4A series)

Product Description

Negative focal length biconcave lenses, used for beam expanders, optical imaging, and laser systems.

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