factory sale high quality quartz achromatic doublet lenses cemented spherical lens for telescope
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- Supplier: Nanjing Jilai Photoelectric Technology Co. Ltd.
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Description
factory sale high quality quartz achromatic doublet lenses cemented spherical lens for telescope
Product Description
| Product name | Cemented lens,achromatic lenses |
| Material | BK7, K9, quartz, Ge, Si, ZnSe, MgF2, etc. |
Dimension tolerance | -0.02mm |
| Center thickness tolerance | -0.02mm |
Tolerance of curvature radius | less than 0.0001mm |
| Finish | 10/5, 20/10, 40/20, 60/40 |
Surface type | in/8~in/2 |
Beveling | <0.3mm X 45. |
Coating | Dielectric film |
Principle:
Cemented lenses are also called achromatic lenses. Cemented lenses are used to minimize or eliminate chromatic aberration. Its achromatic design also helps to minimize spherical aberration. Glue two or more components together during the manufacturing process. Compared with a single lens, an achromatic lens can form a smaller spot
Features:
The role of the cemented lens in the optical system is: focusing, collimation, imaging.
Application:
Achromatic lenses are suitable for various applications such as fluorescence microscopy, image relay, inspection or spectroscopy.
Positive cemented lens:
Negative cemented lens:
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factory sale high quality quartz achromatic doublet lenses cemented spherical lens for telescope
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