Durable High Quality Multi-Type Lenses

Attribute

Commercial

High Precision

Material

Schott N-BK7, H-K9L, Fused silica, CaF2, Sapphire

Design Wavelength

According to the customer’s request

Dimension Tolerance

+0.0, -0.15mm

+0.0, -0.05mm

Paraxial Focal Length

2%

0.5%

Centration

<3'

<1'

Clear Aperture

80%

90%

Surface Quality

    60-40 scratch and dig

10-5 scratch and dig

Surface Shape

< λ/4

< λ/8

Bevel

0.25（+0.25/-0）

0.2±0.1

Coating

AR R＜0.2~1%

Lenses

Materials

Illustration

PLANO-CONVEX LENS

BK7 Fused Silica Sapphire CaF2

DOUBLE-CONVEX LENS

BK7 Fused Silica

PLANO-CONCAVE LENS

BK7 Fused Silica Sapphire CaF2

DOUBLE-CONCAVE LENS

BK7 Fused Silica Sapphire CaF2

POSITIVE MENISCUS LENS

BK7 Fused Silica

CYLINDRICAL LENS

BK7 Fused Silica