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See all 6 Products in Family

25mm Dia. x -25mm FL, Commercial Grade, Double-Concave Lens

Stock #27-986 Clearance

$18.70

Qty 1-5
$18.70

Qty 6-49
$14.95

Qty 50+
Request a Quote

+ Add to Saved List Compare

Diameter (mm):

25.00 +0.00/-0.10

Diameter Tolerance (mm):

+0.00/-0.10

Effective Focal Length EFL (mm):

-25.00

Back Focal Length BFL (mm):

-26.19

Coating:

MgF₂ (400-700nm)

Coating Specification:

R_avg ≤1.75% @ 400 - 700nm

Substrate:

N-SK18

Clear Aperture CA (mm):

24.00

Center Thickness CT (mm):

4.00

Center Thickness Tolerance (mm):

±0.10

Centering (arcmin):

6.00

Edge Thickness ET (mm):

8.62

f/#:

1.00

Focal Length Specification Wavelength (nm):

587.6

Focal Length Tolerance (%):

±1

Numerical Aperture NA:

0.5

Radius R₁ (mm):

32.69

Type:

Double-Concave Lens

Wavelength Range (μm):

0.4 - 0.7

RoHS:

Compliant

Product Family Description

Feature Standard Designs and Specifications
Also Available Uncoated
For More Options, View Precision Quality Double-Concave (DCV) Lenses

Double-concave (DCV) lenses have two inward, equally curved surfaces and a negative focal length. They are used for image reduction and to spread light. MgF₂ anti-reflection coating offers improved transmission in the visible spectrum.

Commercial Grade MgF₂ Coated Double-Concave (DCV) Lenses offer commercial quality, at an affordable price. Commercial grade optics have standard designs and are available on an ongoing basis. They are recommended for volume buyers or OEMs.