1-BCV-1-C127 BK7 Biconcave lens, f=-20mm, Ø12.7mm

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US$36.40

The biconcave lenses are used in optical systems in combination with other lenses. These lenses also work as beam expanders, optical character readers,
viewers and projection systems. Under customer request anti-reflection or other types of coatings can applied.

Diameter, mm	12.7
Edge Thickness, mm	4.5
Focal Length, mm	-20
Material	BK7
ROC1, mm	-21.11
ROC2, mm	21.11
Delivery	2-4 weeks

Description

Details

The biconcave lenses are used in optical systems in combination with other lenses. These lenses also work as beam expanders, optical character readers, viewers and projection systems. Under customer request anti-reflection or other types of coatings can applied.

Features

Lower spherical aberrations than for Plano-Concave lenses
Diverges incident light
Ideal for Experimenting and Prototyping Applications

Applications

Properties (Diameter D, Focal length L)

D, mm	D, Inches	L Minimal, mm	L Maximal, mm
12,7	0.5	-12	-10.000
25,4	1	-25	-10.000
38,1	1.5	-40	-10.000
50,8	2	-50	-10.000
76,2	3	-75	-10.000

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