The Emerald 9mm 82° 1.25" Eyepiece delivers panoramic, immersive views with pinpoint precision, making it an essential upgrade for any serious observer. Designed with an ultra-wide 82° apparent field of view, this eyepiece transforms your observing experience—placing you inside the scene rather than looking at it.

Whether you're exploring dense star fields, tracking planets, or scanning deep-sky objects, the Emerald 9mm provides sharp, high-contrast views with excellent edge performance in a durable, field-ready design.

Enjoy a spacious, immersive viewing experience that makes it easier to track objects and take in more of the night sky at once.

Ideal for medium-to-high magnification, perfect for:

• Planetary detail
• Lunar observing
• Globular clusters
• Smaller deep-sky objects

A sophisticated 7-element optical system delivers:

• Sharp, well-corrected images
• Excellent contrast
• Minimal distortion across the field

Provides a balanced viewing experience for most observers, offering control and clarity during extended sessions.

Built with precision-machined metal housing for durability and long-term reliability in real-world observing conditions.

• Standard 1.25" compatibility
• Fully threaded for use with astronomical filters

Comes with a custom-fit carrying case to protect your eyepiece from dust, moisture, and impact—perfect for travel to dark-sky sites.

• Focal Length: 9mm
• Barrel Size: 1.25"
• Apparent Field of View: 82°
• Eye Relief: 8mm
• Optical Design: 7 elements
• Filter Threads: Yes (standard 1.25")
• Construction: All-metal housing

The Emerald 9mm eyepiece is designed to provide high-magnification performance without sacrificing field of view, offering:

• Crisp planetary detail
• Sharp lunar features
• Expansive views of star clusters
• Easy object tracking thanks to the wide field

Best For: 

• Medium to high magnification observing
• Planetary and lunar viewing
• Deep-sky exploration
• Dobsonian, refractor, and SCT telescope users

The Emerald 9mm strikes an ideal balance between magnification, field of view, and build quality. Its ultra-wide perspective and sharp optics make it a powerful addition to any eyepiece collection—delivering immersive views and reliable performance night after night.