Plano-convex lenses

Specifications
Effective Focal Length (EFL): +/- 1%
Diameter (DIA): +0/-.18
Clear Aperture: 90% of diameter
Center Thickness (CT): +/- .25
Cosmetics: 60/40
Surface Quality: 1/8---1/2 waves @ 546.1nm
Centering Accuracy: 3 arc minutes TIA
Designed Wavelength: 546.1nm
All dimensions are in millimeters

Plano-concave lenses

Specifications
Effective Focal Length (EFL): +/- 1%
Diameter (DIA): +0/-.18
Clear Aperture: 90% of diameter
Center Thickness (CT): +/- .25
Cosmetics: 60/40
Surface Quality: 1/8---1/2 waves @ 546.1nm
Centering Accuracy: 3 arc minutes TIA
Designed Wavelength: 546.1nm
All dimensions are in millimeters

Bi-convex lenses

Specifications
Effective Focal Length (EFL): +/- 1%
Diameter (DIA): +0/-.18
Clear Aperture: 90% of diameter
Center Thickness (CT): +/- .25
Cosmetics: 60/40
Surface Quality: 1/8---1/2 waves @ 546.1nm
Centering Accuracy: 3 arc minutes TIA
Designed Wavelength: 546.1nm
All dimensions are in millimeters

Bi-convex lenses

Specifications
Effective Focal Length (EFL): +/- 1%
Diameter (DIA): +0/-.18
Clear Aperture: 90% of diameter
Center Thickness (CT): +/- .25
Cosmetics: 60/40
Surface Quality: 1/8---1/2 waves @ 546.1nm
Centering Accuracy: 3 arc minutes TIA
Designed Wavelength: 546.1nm
All dimensions are in millimeters

Meniscus Lenses

Specifications
Effective Focal Length (EFL): +/- 1%
Diameter (DIA): +0/- .18
Clear Aperture: 90% of diameter
Center Thickness (CT): +/- .25
Cosmetics: 60/40
Surface Quality: 1/82 ----- 1/2 waves @ 546.1nm
Centering Accuracy: 3 arc minutes TIA
Designed Wavelength: 587.1nm
All dimensions are in millimeters.

Achromatic lenses(Cemented Doublets)

Specifications
Effective Focal Length (EFL): +/- 2%
Diameter (DIA): +0/- .18
Center Thickness (CT): +/- .25
Cosmetics: 60/40
Surface Quality:: 1/8-----1/2 waves @ 546.1nm
Clear Aperture: 90% of diameter
Centering Accuracy: 3 arc minutes TIA
Designed Wavelength: 486.1nm, 587.6nm, 656.3nm
All dimensions in millimeters.
All information is based on a wavelength of 587.6nm.