This former finderscope eyepiece is, surprisingly, one of the highest-quality eyepieces in our inventory. This eyepiece delivers extremely sharp images. The only disadvantage is that the crosshairs are quite large and can get in the way of the view.
Cahill Rooftop Observatory
Equipment Database - 10×40 mm Reticle
| 10×40 mm Reticle | |
|---|---|
| Optical Design | Unknown |
| Barrel Size | 1.125" |
| Threaded for Filters | No |
| Focal Length | 25.0 mm |
| Field Stop | 15.9 mm |
| Apparent FOV | 36° |
| Eye Relief | 11 mm |
Usable on:
- Celestron 14-inch
- Celestron 10-inch
- Celestron 8-inch
- Questar
- Galileoscope