BK7 Biconvex Lenses
← Back to product family

BK7 Biconvex Lenses SKU: 111-0240E

• Have positive focal lengths • Converge incident light • Form both real and virtual images • Minimize spherical aberration as well as cancel coma and distortion at unit conjugate ratio Biconvex lenses are all symmetrical, having equal radii on both sides. They are recommended…

Variant specifications

Product Value
Shape Type Round
Diameter 25.4 mm
Diameter Upper Tolerance 0 mm
Diameter Lower Tolerance -0.12 mm
Center Thickness 4 mm
Center Thickness Upper Tolerance 0.2 mm
Center Thickness Lower Tolerance -0.2 mm
Edge Thickness 3.8 mm
Edge Thickness Upper Tolerance 0.2 mm
Edge Thickness Lower Tolerance -0.2 mm
Focal Length 700 mm
Focal Length tolerance %, +/- 2 %
Focal Length Wavelength 546 nm
Material Type BK7
Material BK7
Surface 1 Value
Surface Shape Convex
Radius 725.53 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 Convex
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 111-0240E.

Product brochures

Shared documentation for the complete product family.