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William Optics Guide Star 61
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Telescope or lens
William Optics Guide Star 61
williamoptics.com/.../guide-star-61
| Type | Refractor: apochromatic |
|---|---|
| Diameter | 61 mm |
| Focal length | 360 mm |
| Weight | 1.40 kg |
| Users | 58 |
| Images | 514 |
| Most often used with | |
| Known retailers | High Point Scientific · Agena Astro ( |