Sky-Watcher
Sky-Watcher 90/900 OTA Refractor Telescope
Sky-Watcher 90/900 OTA Refractor Telescope
🟢 In Stock
🚚 Estimated delivery: 5 days
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This 90mm achromatic refractor telescope is designed for high-performance planetary observation. Its f/10 focal ratio minimizes chromatic aberration, providing sharp, high-contrast images of celestial objects. Ideal for exploring lunar details, Jupiter's bands, and Saturn's rings with exceptional clarity. Versatile for both day and night observation, it offers an excellent ratio of aperture to optical quality for amateur astronomers seeking precision in their planetary observations.
Specs
| Characteristics | Sky-Watcher 90/900 Refractor |
|---|---|
| optical tube |
Metal lens of two elements "spaced by air" |
| Optical formula | achromatic glasses |
| Effective diameter | 90 mm |
| Focal length | 900 mm |
| Focal length ratio | f/10 |
| Eyepiece support | 31.75 mm sliding zipper |
| Separating power | 1.3 arc seconds |
| Limiting magnitude under visual conditions | 11.9 |
| Clarity | 225x |
|
Optical tube dimensions (diameter x length) |
10 cm x 91 cm |
| Maximum recommended increase | 180x |
Items delivered:
- 1 Sky-Watcher 90/900 telescope
- 2 fixing collars
- 1 male Vixen-type dovetail
- 1 Super Plössl eyepiece 12.5 mm
- 1 search engine 6x30
- 1 31.75 mm angled link
Please note: this product does not include a tripod or mount.
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