EvoStar ED 120mm Doublet APO Refractor
Sky-Watcher
From $2,490.00
2 stores
In stock
The Sky-Watcher EvoStar ED 120mm Doublet APO Refractor is a premium apochromatic refractor featuring a 120mm aperture and 900mm focal length (f/7.5), utilizing fluorite-based ED glass with proprietary Metallic High-Transmission Coatings to virtually eliminate chromatic aberration. This lightweight, portable optical tube excels for both visual observation and astrophotography, delivering exceptional contrast and sharpness ideal for lunar and planetary detail as well as deep-sky imaging. The complete package includes a dual-speed 2-inch Crayford focuser, 2-inch dielectric diagonal, two quality eyepieces, 8x50 finderscope, tube rings, and foam-lined carrying case.
Specifications
| Aperture | 120 mm |
| Diagonal | 2-inch Dielectric |
| Weight | 11.3 lb |
| Finderscope | 8x50mm Right-Angle |
| Optical design | Doublet Apochromatic ED |
| Focuser Ratio | 10% |
| Focal ratio | f/7.5 |
| Focuser Type | 2-inch Dual-Speed Crayford |
| Limiting Magnitude | 12.9 |
| Focal length | 900 mm |
| Glass Type | Schott BK7 and FPL-53 ED |
| Included Eyepieces | 5mm and 25mm Long Eye Relief (1.25-inch) |