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6.25mm Dia x -10mm FL VIS-NIR Coated, Negative Achromatic Lens

COTS Lenses

Stock #85-877
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Qty 1-5
£55.68
Qty 6
£44.54
Volume Pricing
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Diameter (mm):
6.25 +0.0/-0.025
Effective Focal Length EFL (mm):
-10.00
Focal Length Tolerance (%):
±2
Back Focal Length BFL (mm):
-11.92
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
5.6
Centering (arcmin):
<3
Center Thickness CT 1 (mm):
1.00
Center Thickness CT 2 (mm):
2.5
Center Thickness Tolerance (mm):
±0.20
Radius R1 (mm):
6.55
Radius R2 (mm):
5.10
Radius R3 (mm):
89.10
Edge Thickness ET (mm):
4.2
Substrate:
Surface Quality:
40-20
f/#:
1.6
Numerical Aperture NA:
0.31
Coating:
VIS-NIR (400-1000nm)
Coating Specification:
Ravg ≤1.25% @ 400 - 870nm
Ravg ≤1.25% @ 890 - 100nm
Rabs ≤0.25% @ 880nm
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Bevel:
Protective bevel as needed
Type:
Negative Achromatic Lens
Wavelength Range (nm):
400 - 1000

Regulatory Compliance

RoHS 2015:
REACH 201:

Product Family Description

TECHSPEC® Broadband AR Coated Negative Achromatic Lenses are corrected for color and on-axis aberrations. These lenses, consisting of two optical elements cemented together, are commonly used as Barlow lenses to extend focal lengths. TECHSPEC® Broadband AR Coated Negative Achromatic Lenses are available in various diameter sizes and VIS 0° or VIS-NIR coating options.

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