Achromatic Lens
An achromatic lens combines a positive low-refractive-index element with a negative high-refractive-index element. Compared with a singlet, the doublet provides extra design freedom to optimize performance, giving pronounced advantages over a singlet of equal diameter and focal length. 同生科技 has complete manufacturing and testing equipment for high-quality optical components. Its comprehensive range combines advanced technology, good service and reasonable prices. Substrates, dimensions, specifications, wavelengths and transmittance can be selected or customized.
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Overview
Specifications
| Parameter | Value |
|---|---|
| Diameter Tolerance [Commercial Grade] | ±0.05 mm |
| Center Thickness [Commercial Grade] | ±0.01 mm |
| Radius [Commercial Grade] | ±1% |
| Focal-Length Tolerance [Commercial Grade] | ±3% |
| Cosmetics (MIL-C-13830A) [Commercial Grade; MIL-C-13830A] | 100-80 |
| Figure Tolerance in Units of λ (Pow/irreg) [Commercial Grade] | 3 - 1 λ |
| Centration [Commercial Grade] | 6 Arc min |
| Coating (T% avg) [Commercial Grade] | 96-98% |
| Diameter Tolerance [Factory Standard] | ±0.03 mm |
| Center Thickness [Factory Standard] | ±0.03 mm |
| Radius [Factory Standard] | ±0.5% |
| Focal-Length Tolerance [Factory Standard] | ±1% |
| Cosmetics (MIL-C-13830A) [Factory Standard; MIL-C-13830A] | 40-20 |
| Figure Tolerance in Units of λ (Pow/irreg) [Factory Standard] | 2 - 1/4 |
| Centration [Factory Standard] | <3 Arc min |
| Coating (T% avg) [Factory Standard] | 99% |
| Diameter Tolerance [Precision Grade] | ±0.0125 mm |
| Center Thickness [Precision Grade] | ±0.025 mm |
| Radius [Precision Grade] | ±0.3% |
| Focal-Length Tolerance [Precision Grade] | ±0.5% |
| Cosmetics (MIL-C-13830A) [Precision Grade; MIL-C-13830A] | 10-5 |
| Figure Tolerance in Units of λ (Pow/irreg) [Precision Grade] | 1 - 1/10 |
| Centration [Precision Grade] | <1 Arc min |
| Coating (T% avg) [Precision Grade] | 99.5% |
| Diameter-to-Thickness Ratio | 9~50:1 |
| Material | According to Customer Requirements |
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Datasheet
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