Edmund Optics uses cookies to optimize and enhance the features and content on our website. By continuing to use this website, you consent to our use of cookies.

  • My Account
  •   
See all 165 Products in Family

20mm Dia. x 40mm FL, VIS-NIR Coated, Double-Convex Lens

Stock #45-886
S$60.80
×
Qty 1-9
S$60.80
Qty 10-24
S$54.72
Qty 25+
Request a Quote
Diameter (mm):
20.00 +0.0/-0.025
Back Focal Length BFL (mm):
38.44
Effective Focal Length EFL (mm):
40.00
Coating:
VIS-NIR (400-1000nm)
Coating Specification:
Rabs ≤0.25% @ 880nm
Ravg ≤1.25% @ 400 - 870 nm
Ravg ≤1.25% @ 890 - 1000nm
Substrate:
N-BK7
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Centering (arcmin):
<1
Bevel:
Protective bevel as needed
Center Thickness CT (mm):
5.30
Center Thickness Tolerance (mm):
±0.1
Edge Thickness ET (mm):
2.80
Radius R1=-R2 (mm):
40.67
Clear Aperture CA (mm):
19.00
f/#:
2.00
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Numerical Aperture NA:
0.25
Type:
Double-Convex Lens
Typical Energy Density Limit:
5 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
400 - 1000
RoHS:

Product Family Description

Double-Convex (DCX) Lenses have two outward curved surfaces, a positive focal length and are useful for 1:1 imaging and in multi-element systems.

Need a Quote?

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

×