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20mm Dia. x -30mm FL, Commercial Grade, Plano-Concave Lens

Stock #27-770 Clearance
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£13.69
Qty 1-5
£13.69
Qty 6
£10.97
Volume Pricing
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Diameter (mm):
20.00 +0.00/-0.10
Diameter Tolerance (mm):
+0.00/-0.10
Effective Focal Length EFL (mm):
-30.00
Back Focal Length BFL (mm):
-31.98
Coating:
Uncoated
Substrate:
N-SK18
Center Thickness CT (mm):
3.00
Center Thickness Tolerance (mm):
±0.10
Focal Length Tolerance (%):
±1
Focal Length Specification Wavelength (nm):
587.6
Centering (arcmin):
6.00
Clear Aperture CA (mm):
19
Edge Thickness ET (mm):
6.28
Radius R1 (mm):
15.51
f/#:
1.5
Numerical Aperture NA:
0.33
Type:
Plano-Concave Lens
Wavelength Range (μm):
0.38 - 2.2

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. Commercial Grade Uncoated Plano-Concave (PCV) Lenses offer commercial quality, at an affordable price.

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