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 26 Products in Family

TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More
9mm Dia. x -18mm FL, VIS 0°, Inked, Double-Concave Lens

Stock #48-694-INK
S$70.40
×
Qty 1-9
S$70.40
Qty 10
S$63.36
Volume Pricing
Request a Quote
Diameter (mm):
9.00 ±0.025
Effective Focal Length EFL (mm):
-18.00
Back Focal Length BFL (mm):
-18.49
Coating:
VIS 0° (425-675nm)
Coating Specification:
Ravg ≤0.4% @ 425 - 675nm
Substrate:
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Clear Aperture CA (mm):
8.1
Center Thickness CT (mm):
1.50
Center Thickness Tolerance (mm):
±0.1
Centering (arcmin):
<1
Bevel:
Protective bevel as needed
Edge Thickness ET (mm):
2.45
f/#:
2.00
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Numerical Aperture NA:
0.25
Radius R1=-R2 (mm):
-18.86
Type:
Double-Concave Lens
Typical Energy Density Limit:
5 J/cm2 @ 532nm, 10ns
Wavelength Range (nm):
425 - 675

Regulatory Compliance

RoHS:

Product Family Description

  • AR Coated to Provide <0.4% Reflectance per Surface for 425 - 675nm
  • Designed for 0° Angle of Incidence
  • Various Coating Options: Uncoated, MgF2, 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.

Need a Quote?

Edmund Optics Facebook Edmund Optics Twitter Edmund Optics YouTube Edmund Optics LinkedIn Edmund Optics Instagram

×