Spherical Lenses

Spherical Lenses Spherical BK7 Plano-Convex Lenses SPECIFICATIONS Substrate material: BK7 Surface Flatness: /10 @ 633nm Surface Quality: 10-5 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... Spherical Fused Silica Plano-Convex Lenses SPECIFICATIONS Substrate material: UV grade fused silica Surface Flatness: /10 @ 633nm Surface Quality: 10-5 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... Spherical VUV CaF2 Plano-Convex Lenses SPECIFICATIONS Substrate material: VUV grade CaF2 Surface Flatness: /10 @ 633nm Surface Quality: 20-10 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... [Top] Spherical VUV MgF2 Plano-Convex Lenses SPECIFICATIONS Substrate material: VUV grade MgF2 Surface Flatness: /10 @ 633nm Surface Quality: 20-10 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... Spherical SF11 Plano-Convex Lenses SPECIFICATIONS Substrate material: SF11 Surface Flatness: /10 @ 633nm Surface Quality: 20-10 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... [Top] Spherical IR CaF2 Plano-Convex Lenses SPECIFICATIONS Substrate material: IR grade CaF2 Surface Flatness: /4 @ 633nm Surface Quality: 40-20 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... Spherical BK7 Plano-Concave Lenses SPECIFICATIONS Substrate material: BK7 Surface Flatness: /10 @ 633nm Surface Quality: 10-5 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... [Top] Spherical Fused Silica Plano-Concave Lenses SPECIFICATIONS Substrate material: UV grade fused silica Surface Flatness: /10 @ 633nm Surface Quality: 10-5 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... Spherical SF11 Plano-Concave Lenses SPECIFICATIONS Substrate material: SF11 glass Surface Flatness: /10 @ 633nm Surface Quality: 20-10 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... [Top] Spherical BK7 Bi-Convex Lenses SPECIFICATIONS Substrate material: BK7 Surface Flatness: /10 @ 633nm Surface Quality: 10-5 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... Spherical Fused Silica Bi-Convex Lenses SPECIFICATIONS Substrate material: UV grade fused silica Surface Flatness: /10 @ 633nm Surface Quality: 10-5 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... [Top] Spherical BK7 Bi-Concave Lenses SPECIFICATIONS Substrate material: BK7 Surface Flatness: /10 @ 633nm Surface Quality: 10-5 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... Spherical Fused Silica Bi-Concave Lenses SPECIFICATIONS Substrate material: UV grade fused silica Surface Flatness: /10 @ 633nm Surface Quality: 10-5 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... [Top] Spherical Positive Bestform Lenses SPECIFICATIONS Substrate material: BK7 or UVFS Surface Flatness: /10 @ 633nm Surface Quality: 10-5 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical ... Achromatic Doublet Lenses SPECIFICATIONS Substrate material: See table Surface Flatness: /4 @ 633nm Surface Quality: 40-20 laser quality Centration Error: <3 arc min. Focal Length Tolerance: ± 0.5 % Diameter Tolerance: +0.0/-0.20 mm Thickness Tolerance: ± 0.25 mm Clear Aperture: > 85% of diameter Chamfer: 0.3mm at 45 typical