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18mm Dia. x -19.6mm FL, Grade 1, Double-Concave Lens

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Stock #74-221 Clearance
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S$9.30
Qty 1+
S$9.30
Qty 2+
S$6.51
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Specifications

Diameter (mm):
18.00
Effective Focal Length EFL (mm):
-19.60
f/#:
1.09
Numerical Aperture NA:
0.46
Type:
Double-Concave Lens

Regulatory Compliance

RoHS:
Not Compliant

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Product Family Description

  • Ideal for Experimenting and Prototyping Applications
  • Quantities Extremely Limited, Buy While Supplies Last
  • For Even More Deals, Check out Mega Clearance: Optics

Double-concave (DCV) lenses have two inward curved surfaces and a negative focal length. They are used for image reduction and to spread light.

Experimental Quality Double-Concave (DCV) Lenses are offered in several experimental grade options. Grade 1 is standard optical glass, edged, free of visible scratches, chips, stains, or oxidation. Grade 2 is unedged, non-optical glass, small chips, slight stains, or other defects. They may have slight edge cement separation.

Note: Specifications for experimental grade optics may vary as much as 10% from those listed. Also, no additional information is available other than what is provided.

Technical Information

 
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