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Uncoated N-BK7 double concave lens
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Brand: REALPOO
Surface Quality： 40/20
Diameter Tolerance： ±0.1
Material： Optical Glass
Price: Negotiable
Min.Order: 50
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Delivery: Shipment within 30 days since the date of payment
Address: China
Valid until: Never Expire
Updated on: 2023-06-02 10:31
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Details

Double concave lens has two inward curved surfaces. Double Concave lens has negative focal length.

Specifications:

Material : Optical glass
Diameter : 1mm ~ 300mm
Focal Legnth Tolerance :+/-1%
Diameter Tolerance :+0.0/-0.1mm
Thickness Tolerance :+/-0.1mm
Surface Quality :40/20
Centration :<3 arc minutes
Clear Aperture :>90%
Bevel : Protective bevel as needed
Coating :Upon your request





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