From ~$185.78
2 stores
The Baader Planetarium 13mm Hyperion eyepiece features a 68-degree field of view and 20mm of eye relief, and is versatile enough to work with both 1.25" and 2" focusers. Eight lens elements in five groups provide outstanding sharpness and color correction over the entire field. Fitted with internal baffles for stray light elimination, it produces sharp images with improved contrast. This modular design supports heavy cameras for afocal projection photography through the appropriate Hyperion T-ring, making it ideal for both visual observation and astrophotography.
| Optical design | 8 elements in 5 groups |
| Maximum Supported Camera Weight | 6.6 lb |
| Apparent Field of View | 68° |
| Eye Relief | 20 mm |
| Camera Threads | M43 and M54 |
| Focal length | 13 mm |
| Barrel Size | 1.25 in |
| Weight | 390 lb |