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Wex Photo Video£57.00Visit shop Sky-Watcher Planetary 7mm UWA Eyepiece - 58 Degree Field of View
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The Sky-Watcher Planetary 7mm UWA Eyepiece is an ideal tool for amateur astronomers and planetary enthusiasts looking to capture crisp, high-magnification views of lunar landscapes and planetary features. By utilizing a modified Plossl optical design with five fully multi-coated elements, it achieves a balance of high contrast and a 58-degree field of view. While it excels at detail-oriented observation, users should note that the 7mm focal length requires stable atmospheric conditions and proper telescope tracking to maximize image clarity.
| Brand | Sky Watcher |
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This eyepiece features a standard 1.25-inch barrel, which fits almost all modern refracting, reflecting, and catadioptric telescopes.
While intended for planets and the moon, it works well for smaller, bright planetary nebulae or globular clusters.
No, the 16mm eye relief is specifically designed to allow users to wear their glasses comfortably while observing.
Divide the focal length of your telescope by 7mm (e.g., a 700mm focal length telescope provides 100x magnification).
It is not waterproof. Avoid exposure to heavy rain or high humidity, and store it in a dry case with desiccant packets.
Ensure the telescope is fully thermally acclimated to the outside air and verify that your focus is sharp. High magnification is also highly susceptible to atmospheric 'seeing' conditions.
Ensure the rubber eyecup is fully screwed down or removed to bring your eye closer to the glass while keeping your glasses on.
Check that the eyepiece is fully seated in the focuser and that you are maintaining proper eye alignment along the optical axis.
To begin using the eyepiece, simply insert the 1.25-inch barrel into your telescope's focuser drawtube and tighten the thumbscrews to secure it. If you are using a planetary filter to enhance specific details (such as a blue or orange filter), screw it directly into the threaded end of the barrel before insertion. To maintain the optical integrity, always keep the protective caps on when the eyepiece is not in use. If cleaning becomes necessary, use only a professional-grade lens blower or a soft microfiber cloth to remove dust; avoid harsh solvents that could damage the multi-coating layers.
