Description
Required for projection imaging on dedicated CMOS cameras. Verify compatibility with your specific camera.
Final Thoughts
The 15mm is the focal length most telescopes secretly want to be. It’s low enough to show the whole sky, high enough to show the detail. In the UF series, you get flat-field correction that makes it honest across the entire field, and M43 threading that opens up imaging possibilities without extra spacers or adapters. If you need one eyepiece that does everything visual survey, planetary observation, imaging preparation this is the focal length that does it. The UF version just makes it better at all three.
Tech Details:
| Focal Length | 15mm |
| Apparent Field of View | 65 |
| Field Stop Diameter | 22mm |
| Optical Elements | 8 elements / 5 groups, fully multicoated |
| Eye Relief | 16mm |
| Barrel Size | 1.25″ |
| Weight | 136g (4.8 oz) |
| Eyecup | Foldable rubber |
| Under-Eyecup Threading | M430.75 |
| Design | Ultra Flat Field, optimized for fast focal ratios |
| Coating | Fully multicoated (FMC) |
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