Aspherical Lenses Definition

What is aspherical camera lens

Aspheric lens is a lens whose surface profiles are not portions of a sphere or cylinder. In photography, a lens assembly that includes an aspheric element is often called an aspherical lens. As an excellent aspherical lens manufacturer, we bring in hot briquetting technology from Japan, with volume production ability, including aspheric lens which surface form error is within 100 micron.

Specification of Aspherical Lens

Material BK7, B270 or PYREX

Diameter Range 10-300 mm

Diameter Tolerance +0.00/-0.15 mm

Center Thickness +/-0.5%

Focus +/-7%

Aspheric lens Face Form Checked by Caliper

Surface Finish: Processing Surface x: λ/2; y: 2λ

Aspherical Lens Standard Products

Part No. Material EFL OD1 OD2 CT ET

TCA101 B270 18.51 24 10.4 1.54

TCA102 PYREX 37.1 50 23 2.5

TCA103 PYREX 36.4 52 24 2

TCA104 B270 74.47 35 30.68 10.05 2.3

TCA105 PYREX 48 50 19 2

TCA106 PYREX 61.78 68.5 24.12 2

TCA107 B270 6.25 6.5 2.679 0.942

TCA108 PYREX 126.57 75 14.25 2.8

TCA109 B270 190.1 80 15.24 3.8

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