Edmund Optics® uses own and third party cookies to optimize the technical service features of our website. Find out how we use cookies.

  • My Account
  •   
See all 13 Products in Family

25mm Dia. x -50mm FL, Uncoated, Double-Concave Lens

Stock #32-996
€26.50
×
Qty 1-9
€26.50
Qty 10-24
€23.90
Qty 25+
Request a Quote
Diameter (mm):
25.00 +0.0/-0.025
Effective Focal Length EFL (mm):
-50.00
Back Focal Length BFL (mm):
-50.82
Coating:
Uncoated
Substrate:
N-BK7
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Clear Aperture CA (mm):
24.00
Center Thickness CT (mm):
2.50
Center Thickness Tolerance (mm):
±0.1
Centering (arcmin):
<1
Bevel:
Protective bevel as needed
Edge Thickness ET (mm):
5.40
f/#:
2.00
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Numerical Aperture NA:
0.25
Radius R1=-R2 (mm):
-52.10
Type:
Double-Concave Lens
Wavelength Range (nm):
350 - 2200
RoHS:

Product Family Description

  • Wavelength Range of 350-2200nm
  • Precision Diameter and Centration Tolerances Allow for Easy OEM Integration
  • Wide Variety of Diameters and Focal Lengths
  • Additional AR Coating Options Available: MgF2, VIS 0°, VIS-NIR, NIR I, and NIR II

Double-Concave (DCV) Lenses have two inward curved surfaces and a negative focal length. They are used for image reduction and to spread light.

Technical Information

Need a Quote?

Edmund Optics Facebook Edmund Optics Twitter Edmund Optics YouTube Edmund Optics LinkedIn Edmund Optics Google+ Edmund Optics Instagram



×