14mm Dia. x -21mm FL, Negative Meniscus Lens, Grade 2

Product Details Ideal for Experimenting and Prototyping Applications Quantities Extremely Limited, Buy While Supplies Last For Even More Deals, Check out Mega Clearance: Optics Experimental Quality Negative Meniscus 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. Specifications Physical & Mechanical Properties Diameter (mm): 14.00 Optical Properties Effective Focal Length EFL (mm): -21.00 f/#: 1.5 Numerical Aperture NA: 0.33 Regulatory Compliance Certificate of Conformance: View ×