Details
Cheap but optically very good, the SkyWatcher zoom eyepiece is a great "all around" eyepiece that provides very interesting performances especially considering the very low price!
You can gradually adjust the focal length from 7 to 21mm while the apparent field varies from 60° to 40°. This zoom eyepiece has a diameter of 31.8mm and the barrel is threaded to accept 31,8mm filters.
Technical specifications
| Type | Zoom |
|---|---|
| Diameter (mm) | 31,8mm |
| Apparent field of view | da 40° a 60° |
| Eye Relief (mm) | No |
| Optical Coatings | Fully Multi Coated |
| Focal lenght (mm) | da 7 a 21mm |
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