Sky Watcher 1.25" 82° Emerald Eyepiece - 9mm

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- Wide 82° apparent field of view creates an immersive spacewalk-style experience and keeps targets in view longer.
- 9 mm focal length is ideal for lunar detail, planetary observing, globular clusters, and higher-power deep-sky views.
- Premium 7-element optical design with broadband anti-reflection coatings delivers bright, sharp, high-contrast performance.
- Rugged CNC-machined all-metal housing with standard 1.25" filter threads offers lasting durability in the field.
Emerald 82° Eyepiece: Your Front-Row Seat to the Deep Sky
The Sky-Watcher Emerald 9 mm 82° Eyepiece is built for observers who want serious magnification without giving up immersive views. Its versatile 9 mm focal length is excellent for revealing lunar craters, planetary detail, globular clusters, and compact deep-sky targets, while the ultra-wide 82° apparent field of view creates a dramatic spacewalk-style experience. Targets stay in view longer, making it a great match for manual mounts and relaxed high-power observing sessions.
Inside, a precision 7-element optical design with broadband anti-reflection coatings works to maximize sharpness, contrast, and light transmission across the field. Expect crisp stars, strong detail, and dark sky backgrounds that help smaller objects stand out. The CNC-machined all-metal body is built for years of dependable use, while the compact 1.25-inch format fits a wide range of telescopes. If you're looking for a premium high-power eyepiece that blends immersive viewing, sharp optics, and rugged construction, the Emerald 9 mm is ready to earn a permanent place in your case.
Other Information
- Country of Manufacture: China
Emerald 82° Eyepiece: Your Front-Row Seat to the Deep Sky
The Sky-Watcher Emerald 9 mm 82° Eyepiece is built for observers who want serious magnification without giving up immersive views. Its versatile 9 mm focal length is excellent for revealing lunar craters, planetary detail, globular clusters, and compact deep-sky targets, while the ultra-wide 82° apparent field of view creates a dramatic spacewalk-style experience. Targets stay in view longer, making it a great match for manual mounts and relaxed high-power observing sessions.
Inside, a precision 7-element optical design with broadband anti-reflection coatings works to maximize sharpness, contrast, and light transmission across the field. Expect crisp stars, strong detail, and dark sky backgrounds that help smaller objects stand out. The CNC-machined all-metal body is built for years of dependable use, while the compact 1.25-inch format fits a wide range of telescopes. If you're looking for a premium high-power eyepiece that blends immersive viewing, sharp optics, and rugged construction, the Emerald 9 mm is ready to earn a permanent place in your case.
| Manufacturer | Sky Watcher |
|---|---|
| Eyepiece Series | Emerald |
| Focal Length | 9 mm |
| Barrel Size | 1.25 in |
| Apparent Field of View (Mfg Specified) | 82° |
| Eye Relief (Designed) | 8 mm |
| Filter Threads | M28.5x0.6 |
| Lens Elements | 7 |
| Protective Storage Container Included | Yes - Manufacturer Supplied |
| Optical Design | Ulta-Wide |
| Height (With Eyeguard Extended) | 3 in (76.2 mm) |
| Maximum Width | 1.43 in (36.3 mm) |
| End Caps | 2 |
| Rubber Eye Guard | Yes - Rubber Eyecup |
| Warranty | Sky Watcher Two-Year Limited Warranty |
| Weight | 0.36 lb (0.16 kg) |
| Country of Manufacture | China |
| Misc. Information |
|
- 1x Emerald 82° 1.25" Eyepiece - 9mm
- 1x Carrying case w/ strap
- 2x Dust caps
- Wide 82° apparent field of view creates an immersive spacewalk-style experience and keeps targets in view longer.
- 9 mm focal length is ideal for lunar detail, planetary observing, globular clusters, and higher-power deep-sky views.
- Premium 7-element optical design with broadband anti-reflection coatings delivers bright, sharp, high-contrast performance.
- Rugged CNC-machined all-metal housing with standard 1.25" filter threads offers lasting durability in the field.
Emerald 82° Eyepiece: Your Front-Row Seat to the Deep Sky
The Sky-Watcher Emerald 9 mm 82° Eyepiece is built for observers who want serious magnification without giving up immersive views. Its versatile 9 mm focal length is excellent for revealing lunar craters, planetary detail, globular clusters, and compact deep-sky targets, while the ultra-wide 82° apparent field of view creates a dramatic spacewalk-style experience. Targets stay in view longer, making it a great match for manual mounts and relaxed high-power observing sessions.
Inside, a precision 7-element optical design with broadband anti-reflection coatings works to maximize sharpness, contrast, and light transmission across the field. Expect crisp stars, strong detail, and dark sky backgrounds that help smaller objects stand out. The CNC-machined all-metal body is built for years of dependable use, while the compact 1.25-inch format fits a wide range of telescopes. If you're looking for a premium high-power eyepiece that blends immersive viewing, sharp optics, and rugged construction, the Emerald 9 mm is ready to earn a permanent place in your case.
Other Information
- Country of Manufacture: China
| Manufacturer | Sky Watcher |
|---|---|
| Eyepiece Series | Emerald |
| Focal Length | 9 mm |
| Barrel Size | 1.25 in |
| Apparent Field of View (Mfg Specified) | 82° |
| Eye Relief (Designed) | 8 mm |
| Filter Threads | M28.5x0.6 |
| Lens Elements | 7 |
| Protective Storage Container Included | Yes - Manufacturer Supplied |
| Optical Design | Ulta-Wide |
| Height (With Eyeguard Extended) | 3 in (76.2 mm) |
| Maximum Width | 1.43 in (36.3 mm) |
| End Caps | 2 |
| Rubber Eye Guard | Yes - Rubber Eyecup |
| Warranty | Sky Watcher Two-Year Limited Warranty |
| Weight | 0.36 lb (0.16 kg) |
| Country of Manufacture | China |
| Misc. Information |
|
- 1x Emerald 82° 1.25" Eyepiece - 9mm
- 1x Carrying case w/ strap
- 2x Dust caps

Sky Watcher 1.25" 82° Emerald Eyepiece - 9mm
