Browse·Refractors·Sky-Watcher EvoStar 90 EQ2
Sky-Watcher
Sky-Watcher EvoStar 90 EQ2
A 90mm achromatic refractor at f/10 — the classic entry-level refractor configuration that has served beginner astronomers well for decades. The long focal ratio makes chromatic aberration (the coloured fringing seen on bright objects) almost imperceptible at normal magnifications, and the EQ2 equatorial mount teaches you real sky mechanics without being overly complex. Lunar views are crisp and high-contrast, and at high magnification the Moon's craters and mountain ranges become genuinely absorbing. Saturn's rings are visible at 50×, and by 100× this scope delivers the views that make new astronomers gasp. Solid, honest, and predictable.
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Full Specifications
Optics
| Aperture | 90mm |
| Focal Length | 900mm |
| Focal Ratio | f/10 |
| Optical Design | Refractor |
| Coatings | Fully multi-coated achromatic doublet |
Mount & Tracking
| Mount Type | Equatorial |
| GoTo (Computerised) | No |
| Tracking | No |
Focuser
| Focuser Size | 1.25" |
| Focuser Type | Rack and pinion with 2-inch adapter |
Physical
| OTA Weight | 2kg |
| Total Weight (with mount) | 6.5kg |
| Tube Length | 980mm |
| Tube Material | Aluminium |
Included Accessories
| Eyepieces | 10mm and 25mm Super eyepieces |
| Finder Scope | 6x30 finder scope |
| Diagonal | Yes |