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Diameter (mm):
15.00 ±0.025
Effective Focal Length EFL (mm):
20.00
Focal Length Tolerance (%):
±1
Back Focal Length BFL (mm):
15.34
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
14.00
Centering (arcmin):
<1
Center Thickness CT (mm):
8.80 ±0.20
Center Thickness CT 1 (mm):
6.80 ±0.10
Center Thickness CT 2 (mm):
2.00 ±0.10
Radius R1 (mm):
14.01
Radius R2 (mm):
-11.36
Radius R3 (mm):
-44.21
Edge Thickness ET (mm):
5.98
Substrate:
Many glass manufacturers offer the same material characteristics under different trade names. Learn More
TECHSPEC® VIS 0° Coated Achromatic Lenses consist of two optical components cemented together to form an achromatic doublet. The doublet is computer optimized to correct for on-axis spherical and chromatic aberrations. Achromatic lenses are best for applications involving multi-color (white light) imaging due to their specific doublet lens pairing that enables them to correct the color separation inherent in glass. TECHSPEC® VIS 0° Coated Achromatic Lenses provide optimized transmission for 425 – 675nm, reducing average reflection to 0.4%. MgF2 and VIS-NIR Coated Achromats are also available on our website.
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