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20mm Dia. x -50mm FL, Commercial Grade, Plano-Concave Lens

Stock #27-775 Clearance
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A$28.16
Qty 1-5
A$28.16
Qty 6
A$22.56
Volume Pricing
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Diameter (mm):
20.00 +0.00/-0.10
Effective Focal Length EFL (mm):
-50.00
Back Focal Length BFL (mm):
-51.98
Coating:
MgF2 (400-700nm)
Coating Specification:
Ravg ≤1.75% @ 400 - 700nm
Substrate:
Center Thickness CT (mm):
3.00
Center Thickness Tolerance (mm):
±0.10
Focal Length Tolerance (%):
±1
Focal Length Specification Wavelength (nm):
587.6
Clear Aperture CA (mm):
19
Edge Thickness ET (mm):
4.83
Radius R1 (mm):
25.84
f/#:
2.5
Numerical Aperture NA:
0.2
Type:
Plano-Concave Lens
Wavelength Range (μm):
0.4 - 0.7

Regulatory Compliance

RoHS:

Product Family Description

Plano-concave lenses (PCV) have one flat side and one inward curved face and a negative focal length. They are used for image reduction or to spread light. MgF2 anti-reflection coating offers improved transmission in the visible spectrum. Commercial Grade MgF2 Coated Plano-Concave (PCV) Lenses offer commercial quality, at an affordable price.

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