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The CAUME TianWen11WYJ03 is a premium 70mm diameter optical glass objective lens featuring an apochromatic double-separation design that ensures high imaging sharpness without chromatic aberration. With a fixed 500mm focal length and F7.1 aperture, it delivers precise, stable focus ideal for DIY astronomical telescopes. Its durable bonding prevents aging issues, and each lens is quality-tested for consistent performance, making it a top choice for serious amateur astronomers and optical instrument builders.
| ASIN | B0CMZDRQ66 |
| Best Sellers Rank | #223 in Telescope Eyepieces |
| Brand | CAUME |
| Camera Lens | The CAUME TianWen11WYJ03 is a prime camera lens with a fixed focal length of 70mm and a maximum aperture of F7.1. It features optical image stabilization and is designed with a 72mm diameter and a focus distance of 500mm. The lens is constructed with apochromatic double-separation optical structure, ensuring high imaging sharpness and consistent performance. It is suitable for various applications… |
| Compatible Camera Mount | Canon EF, Nikon F |
| Focal Length Description | 70 mm |
| Focus Type | Fixed Focus |
| Image stabilization | Optical |
| Lens | Telephoto |
| Lens Design | Prime |
| Manufacturer | CAUME |
| Manufacturer Part Number | TianWen11WYJ03 |
| Maximum Aperture | 7.1 f_stop |
| Maximum Focal Length | 7 centimeters |
| Minimum Focal Length | 7 centimeters |
| Model Name | TianWen11WYJ03 |
| Number of Items | 1 |
| Photo Filter Size | 7.2 centimeters |
| Screen Size | 7 centimeters |
| UPC | 764015311444 |
| Zoom Ratio | 1:1 |
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