EvoStar 100ED Apo Refractor
Sky-Watcher
From $1,081.95
3 stores
In stock
The Sky-Watcher EvoStar 100ED is an apochromatic doublet refractor combining premium ED glass with excellent color correction and lightweight design for both visual and astrophotography use. Its f/9 focal ratio minimizes chromatic aberration while offering superior contrast and sharpness across lunar, planetary, and deep-sky observation. The doublet design reduces weight compared to triplet designs, making it an excellent value for astronomers seeking professional-level optical performance and imaging capability at an accessible price point.
Specifications
| Aperture | 100 mm |
| Focal length | 900 mm |
| Focal ratio | f/9 |
| Optical design | Doublet Refractor |
| Highest magnification | 200 |
| Optics type | Refractor |
| Glass Type | Schott BK7/FPL-53 ED |
| OTA Weight | 8.4 lb |
| Focuser Type | 2-inch Dual-Speed Crayford |
| Limiting Magnitude | 12.5 |
| Maximum Magnification | 197 |
| Minimum Magnification | 14x |