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

18mm Dia. x 27mm FL VIS-EXT, Inked, Double-Convex Lens

Stock #89-166-INK
Qty 1-9
₹4,452.00
Qty 10+
₹4,011.00
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Diameter (mm):
18.00 +0.000/-0.025
Back Focal Length BFL (mm):
25.25
Effective Focal Length EFL (mm):
27.00
Coating:
VIS-EXT (350-700nm)
Coating Specification:
Ravg <0.5% @ 350 - 700nm
Substrate: Many glass manufacturers offer the same material characteristics under different trade names. Learn More
Surface Quality:
40-20
Power (P-V) @ 632.8nm:
1.5λ
Irregularity (P-V) @ 632.8nm:
λ/4
Centering (arcmin):
<1
Bevel:
Protective bevel as needed
Center Thickness CT (mm):
5.50
Center Thickness Tolerance (mm):
±0.10
Edge Thickness ET (mm):
2.42
Radius R1=-R2 (mm):
27.08
Clear Aperture CA (mm):
17.00
f/#:
1.5
Focal Length Specification Wavelength (nm):
587.6
Focal Length Tolerance (%):
±1
Numerical Aperture NA:
0.33
Type:
Double-Convex Lens
Wavelength Range (nm):
350 - 700

Regulatory Compliance

RoHS:

Product Family Description

Double-Convex (DCX) Lenses have two outward curved surfaces, a positive focal length and are useful for 1:1 imaging and in multi-element systems.

 
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