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Equi-Convex Lenses |
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Product Information
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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 |
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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 |
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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 |
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