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Equi-Convex Lenses
    Publish time 2020-07-28 21:34    
Equi-Convex Lenses
These lenses have large range of lengths and are the optimum shape for producing real images at 1:1 magnification. In a single lens application you should consider using them in preference to a single plano-convex lens if the magnification lies in the region -5 <-0.2

Specifications

Material

Sapphire, Silicon, Gemanium

Radius

R≥3.0

Surface Finish

N＜3,△N≥λ/4

Centration

≥1’

Diameter

≥3.0 ±0.01mm

T/D

1/10

Surface Quality

20/10

Bevel

0.25mm at 45 deg

Coating

Single or Multi-layer films

 

 

Specifications

Material

Fused Silica, Quartz & optical Glass

Radius

R≥1.5

Surface Finish

N＜2,△N≥λ/8

Centration

≥1’

Diameter

≥3.0 ±0.01mm

T/D

1/10

Surface Quality

20/10

Bevel

0.25mm at 45 deg

Coating

Single or Multi-layer films