Plano-Concave Lenses
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Plano-Concave Lenses SKU: 112-0419E

• Have negative focal lengths • Diverge collimated incident light • Forms only virtual images which are seen through the lens • Reduce spherical aberration, coma and distortion at negative-infinite or near-infinite conjugate ratios • With the concave surface facing the…

Variant specifications

Product Value
Shape Type Round
Diameter 38.1 mm
Diameter Upper Tolerance 0 mm
Diameter Lower Tolerance -0.12 mm
Center Thickness 4.8 mm
Center Thickness Upper Tolerance 0.2 mm
Center Thickness Lower Tolerance -0.2 mm
Edge Thickness 6 mm
Edge Thickness Upper Tolerance 0.2 mm
Edge Thickness Lower Tolerance -0.2 mm
Focal Length -300 mm
Focal Length tolerance %, +/- 2 %
Focal Length Wavelength 546 nm
Material Type BK7
Material BK7
Surface 1 Value
Surface Shape Concave
Radius -155.62 mm
Surface quality, grind or polish Polished
Power and Irregularity, fringes @633 nm -(0.25)
Centration, angle 0 deg 0 min 0 sec - 0 deg 3 min 0 sec
Clear Aperture, % 90 % - 100 %
Surface 1, Wavelength 1 Value
Coating Uncoated
Surface 2 Value
Surface Shape Plano
Surface quality, grind or polish Polished
Power and Irregularity, fringes @633 nm -(0.25)
Clear Aperture, % 90 % - 100 %
Surface 2, Wavelength 1 Value
Coating Uncoated

Variant files

Technical drawings, models and data files for SKU 112-0419E.

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