Sky-Watcher EMERALD 22mm 82° Wide-Angle Eyepiece

The Sky-Watcher EMERALD 22mm 82° Wide-Angle Eyepiece is designed to deliver immersive, high-contrast views for deep-sky and wide-field observing. Featuring an expansive 82° apparent field of view, it allows you to take in more of the night sky at once, making star fields, nebulae, and galaxies appear rich and engaging.

Its advanced 7-element optical design, combined with fully multi-coated lenses, ensures excellent light transmission, sharp edge-to-edge performance, and reduced reflections for enhanced clarity and contrast. A comfortable 18mm eye relief makes extended observing sessions more enjoyable, even for eyeglass wearers.

Built with a 2" nosepiece, the EMERALD 22mm eyepiece is compatible with standard 2" astronomy filters, adding versatility for both visual observers and astrophotography setups. Robust construction and precision optics make it a reliable choice for astronomers seeking wide, detailed views with professional-level performance.

Product Features in Detail

Sky-Watcher EMERALD 22mm 82° Wide-Angle Eyepiece
Introducing the Sky-Watcher EMERALD 22mm eyepiece—engineered for astronomers who demand high contrast, wide fields, and maximum clarity. Crafted with a premium 7-element lens system, this 2” eyepiece offers a stunning 82° apparent field of view, perfect for deep sky exploration, lunar landscapes, and immersive planetary viewing.

All lenses are fully coated with advanced broadband anti-reflection coatings, ensuring superb light transmission and minimal internal reflections. With 18mm of eye relief, the EMERALD eyepiece is comfortable for extended viewing sessions—even with glasses.

Machined to exacting standards using CNC technology, the EMERALD series boasts both optical performance and an elegant, robust build that stands out in any observing kit.

Whether you’re scanning the Milky Way or resolving fine detail on the Moon, the Sky-Watcher 22mm eyepiece delivers uncompromised performance for all your visual astronomy needs.