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TECHSPEC® components are designed, specified, or manufactured by Edmund Optics. Learn More

90mm Dia x 849.9mm FL Achromatic Lens, Mtd

Stock #54-567
$552.00
Qty 1-5
$552.00
Qty 6
$496.80
Volume Pricing
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Diameter (mm):
90.00 +0.00/-0.08
Effective Focal Length EFL (mm):
849.96
Focal Length Tolerance (%):
±1
Back Focal Length BFL (mm):
838.69
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
72.00
Centering (arcmin):
5.00
Center Thickness CT 1 (mm):
13.08
Center Thickness CT 2 (mm):
10.16
Center Thickness Tolerance (mm):
±0.86
Radius R1 (mm):
497.21
Radius R2 (mm):
-345.82
Radius R3 (mm):
-344.20
Radius R4 (mm):
-1227.86
Edge Thickness ET (mm):
23.07
Substrate:
Surface Quality:
60-40
f/#:
11.1
Numerical Aperture NA:
0.05
Coating:
MgF2 (400-700nm)
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
Mount Thickness (mm):
28.07
Mounting Threads:
M86 x 1.0
Construction:
Mounted, Airspaced 0.10mm
Bevel:
Protective bevel as needed
Type:
Achromatic Lens
Wavelength Range (nm):
400 - 700

Regulatory Compliance

RoHS:

Product Family Description

  • Offered in Cemented or Air-Spaced Designs
  • Mounted Versions Available for Easy Integration
  • Feature MgF2 Anti-Reflection Coating

TECHSPEC® Large Precision Achromatic Lenses offer near-diffraction limited performance across the designated wavelength range. These color-corrected achromatic lenses feature long focal lengths and are available in either cemented or air-spaced designs. Mounted versions feature a male mounting thread for easy integration into optical systems. Adhesive foil spacers and mounting instructions are included for unmounted, air-spaced achromatic lenses.

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