From ~$1,774.35
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Designed with the discerning astrophotographer in mind, the Sky-Watcher Esprit 100ED delivers imaging performance comparable to telescopes costing thousands of dollars more. With its three-element, air-spaced objective lens design, false color is virtually eliminated, yielding exceptional contrast and sharpness. The exclusive dual-speed Helinear track focuser provides smooth, rock-solid focusing with zero image shift, and the focuser can be rotated using a captain's wheel design, giving astrophotographers flexibility when framing their image. This premium triplet refractor excels at wide-field astrophotography of nebulae and galaxies.
| Optics type | Refractor |
| Optical design | Triplet Refractor |
| Focal length | 550 mm |
| Aperture | 100 mm |
| Focal ratio | f/5.5 |
| Highest magnification | 236 |
| Weight | 7 lb |
| Focuser Type | 3.4-inch dual-speed rack-and-pinion Helinear track |
| Glass Type | FPL-53 ED and BK7 |
| Field Flattener | 2-element threaded |
| Image Circle | 40 mm |