eo_logo

  • We have set your country/region to United States

    You can change this selection at any time, but products in your cart, saved lists, or quote may be removed if they are unavailable in the new shipping country/region.

    Select Your Country/Region

 
Products / Optics / Optical Lenses / Achromatic Lenses / VIS-NIR Coated Achromatic Lenses
See all 283 Products in Family
TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

18mm Dia. x 35mm FL, VIS-NIR Coated, Achromatic Lens

×
Stock #49-341 Other Coating Options
×
- +
$97.50
Qty 1-5
$97.50
Qty 6+
$82.90
Volume Pricing
Request Quote
×
Get Product Downloads
Diameter (mm):
18.00 +0.0/-0.025
Effective Focal Length EFL (mm):
35.00
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
30.72
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
17.00
Centering (arcmin):
<1
Center Thickness CT 1 (mm):
6.01
Center Thickness CT 2 (mm):
1.60
Center Thickness Tolerance (mm):
±0.2
Radius R1 (mm):
24.26
Radius R2 (mm):
-16.23
Radius R3 (mm):
-152.99
Edge Thickness ET (mm):
5.61
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
N-BAF10 / N-SF10
Surface Quality:
40-20
f/#:
1.94
Numerical Aperture NA:
0.26
Coating:
VIS-NIR (400-1000nm)
Coating Specification:
Rabs ≤0.25% @ 880nm
Ravg ≤1.25% @ 400 - 870nm
Ravg ≤1.25% @ 890 - 1000nm
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Bevel:
Protective bevel as needed
Type:
Achromatic Lens
Wavelength Range (nm):
400 - 1000

Regulatory Compliance

RoHS 2015:
Compliant
×
Reach 219:
Compliant
×
Certificate of Conformance:
View
×

Product Family Description

  • Designed for 0° Angle of Incidence
  • Less Than 0.25% Reflectance Per Surface @ 880nm
  • MgF2 and VIS 0° Coated Achromats Also Available

Achromatic lenses consist of two optical components cemented together to form an achromatic doublet which is computer optimized to correct for on-axis spherical and chromatic aberrations. Magnesium Fluoride coated and VIS 0° coated achromats also available.

Title  Type Compare Stock Number  Price Buy
18.0mm Optic Dia., Optic Mount Fixed #64-558 $27.00
Qty 10+ $24.30 Request Quote
18mm Diameter, C-Mount Thick Optic Mount Fixed #54-625 $49.50
Qty 5+ $43.90 Request Quote
  • In Stock
    ×
×