Orion Telescope Lenses

Explore the full range of Orion telescope lenses and eyepieces. Compare Plossl, Edge-On, and Super Wide Angle designs to find the perfect match for your telescope and observing goals.

Core Eyepieces for Every Observer

All-Purpose Classic

Orion 17mm Sirius Plossl Eyepiece - 1.25" - Reliable Mid-Range Clarity

The 17mm Sirius Plossl is a workhorse mid-range eyepiece, ideal for delivering clear, bright views of lunar craters, Saturn’s rings, and star clusters. Its 52° apparent field and comfortable eye relief make it a reliable, all-purpose choice for intermediate magnification in your toolkit.
Wide-Field Plossl

Orion 25mm Sirius Plossl Eyepiece - 1.25" - Bright, Wide Deep-Sky Views

Offering a wider field of view than its shorter focal length siblings, the 25mm Sirius Plossl excels at framing larger star clusters and open nebulae. It provides a bright, sharp image with generous eye relief, making it perfect for sweeping the Milky Way and locating faint deep-sky objects.
Planetary Specialist

Orion 12.5mm Edge-On Flat Field Planetary Eyepiece - 1.25" - Crisp High-Power Detail

Engineered for pinpoint planetary and lunar detail, the 12.5mm Edge-On uses a sophisticated 5-element, 4-group design to deliver a flat, sharp field from center to edge. This premium optics choice minimizes distortion, revealing subtle cloud bands and fine craterlets.
Adjustable Power

Orion 8 to 24mm Pro Lanthanum Zoom Eyepiece - 1.25" - Versatile Zoom Control

The Pro Lanthanum Zoom offers the convenience of continuous 8-24mm adjustment in a single, high-performance unit. Its 7-element design provides sharp, high-contrast images, making it a versatile, go-to lens for quickly framing and observing different celestial targets.
High-Power Precision

Orion 6mm Edge-On Flat Field Planetary Eyepiece - 1.25" - Extreme Planetary Detail

For dedicated high-power planetary study, the 6mm Edge-On delivers exceptional sharpness and contrast at high magnification. Its generous eye relief and flat-field design ensure a comfortable, detailed view of Jupiter’s Great Red Spot or Saturn’s Cassini Division.
Super-Wide Scanning

Orion 32mm Q70 Super Wide Angle Eyepiece - 2" - Immersive Deep-Sky Panorama

The 32mm Q70 provides a massive, super-wide 68° apparent field through a 2-inch barrel, perfect for sweeping the Milky Way and framing expansive emission nebulae. It offers a stunning, immersive ‘space walk’ experience with bright, well-corrected stars to the field edge.

Orion 38mm Q70 Super Wide Angle Eyepiece - 2" - Ultimate Panoramic Deep-Sky Vision

The 38mm Q70 is the ultimate ultra-wide-field eyepiece for Orion telescopes, delivering a breathtaking 2-inch panoramic view. Its 68° apparent field is perfect for sweeping the Milky Way, framing vast emission nebulae, and appreciating the scale of the night sky in stunning detail.
Top Choices

Favored for Observation & Comfort

Orion 15mm Expanse Eyepiece - 1.25" - Balanced Power & Immersive View

The 15mm Expanse eyepiece strikes a perfect balance between power and field of view, ideal for framing medium-sized deep-sky objects like galaxies and open clusters. Its 66° apparent field and long eye relief provide a comfortable, immersive experience for extended observing sessions.

Orion Edge-On Planetary Telescope Eyepiece Set - 1.25" - Complete High-Contrast Kit

This curated set of three premium Edge-On eyepieces (3mm, 8.8mm, 17.5mm) provides a comprehensive high-resolution toolkit. Each piece is optimized for specific planetary and lunar detail, offering exceptional sharpness and contrast for serious astrophotography and visual observation.

Orion 3mm Edge-On Flat Field Planetary Eyepiece - 1.25" - Maximum Magnification

Designed for extreme high-magnification views, the 3mm Edge-On provides the sharpest possible images of planetary atmospheres and double stars. Its exceptional optical quality resolves fine details that lesser eyepieces blur, rewarding patient observers with stunning clarity.

Orion 6mm Expanse Eyepiece - 1.25" - Wide-Field High-Power Comfort

The 6mm Expanse delivers a wide 66° apparent field at medium-high power, excellent for observing planetary detail alongside some surrounding context. Its generous 17.5mm eye relief ensures comfortable viewing for all observers, even during long sessions at the eyepiece.
How They’re Used

Serving Astronomers at Every Level

Beginner Exploration

Reliable Plossl and versatile Zoom eyepieces provide excellent, easy-to-use optics for those starting their astronomy journey.

Planetary Observation

Specialized Edge-On and Expanse eyepieces offer the sharpness and comfort needed for detailed study of planets and the Moon.

Deep-Sky Sweeping

Super Wide Angle Q70 eyepieces are designed to capture vast star fields and faint nebulae in immersive, panoramic views.

Astrophotography Support

Premium, sharp-edged eyepieces provide consistent performance for both visual observation and lunar/planetary astrophotography.

Customizable Magnification

Various focal lengths and designs allow users to select the exact magnification and field of view needed for specific objects.

Extended Comfort Sessions

High-quality lens coatings and optical designs ensure bright, high-contrast views for comfortable, extended observing sessions.

Key Factors for Choosing Telescope Lenses

Selecting the right telescope lens involves understanding focal length, optical design, and barrel size, each impacting magnification, field of view, and image clarity for different celestial targets.

Focal Length & Magnification

Focal length determines the magnification and field of view of your eyepiece. Shorter focal lengths provide higher magnification for planetary detail, while longer focal lengths offer wider views of star clusters and nebulae.

Optical Design & Performance

Plossl eyepieces are a reliable, cost-effective choice for general observation, offering good optical performance. Advanced designs like Edge-On or Lanthanum provide superior eye relief and sharpness across a wider field for more demanding viewing.

Barrel Size & Compatibility

The barrel size, typically 1.25" or 2", determines compatibility with your telescope's focuser. Most amateur telescopes use 1.25" barrels, while larger 2" barrels allow for wider-field eyepieces and accessories.

Apparent Field of View

Apparent field of view (AFOV) describes how wide the view appears through the eyepiece. Super wide-angle designs provide an immersive, panoramic sky view, while standard fields are sufficient for focused, high-power observing.

Eye Relief & Comfort

For extended observing sessions, eye relief is critical. Generous eye relief, often found in premium designs, allows comfortable viewing without pressing your eye against the lens, especially for eyeglass wearers.

Lens Coatings & Image Quality

Multi-element optical designs with specialized coatings reduce glare and internal reflections, delivering brighter, higher-contrast images. This is particularly noticeable when observing faint deep-sky objects against a dark background.

Lens Types

Match an Eyepiece to Your Observing Style

Orion telescope lenses are designed for different observing priorities, from versatile all-around performance to specialized high-power clarity and ultra-wide deep-sky immersion.

Plossl Eyepieces

Reliable, cost-effective Plossl designs offer solid optical performance for general-purpose lunar and planetary viewing.

Planetary Edge-On

Advanced Edge-On designs provide superior sharpness, contrast, and eye relief for critical high-power planetary study.

Super Wide Angle

Super Wide Angle Q70 eyepieces create immersive, panoramic views of large star fields and nebulae.

Zoom Eyepieces

The Pro Lanthanum Zoom offers variable magnification in one convenient, high-quality unit for quick target switching.
Observer Experiences

Insights from the Field

Hear from amateur astronomers about their experiences choosing and using different telescope lenses to enhance their views of the night sky.
Started with the Sirius Plossl set and the difference from the stock eyepiece was night and day. The views of Jupiter's bands are so much sharper. A fantastic starting point.
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Stargazer11
Upgraded to an Edge-On for Saturn. The contrast and detail are incredible. I can see the Cassini Division clearly now, which I couldn't before. Worth every penny.
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LunarLander
The 32mm Q70 is a game-changer for star clusters. The view is so wide and immersive, it feels like floating in space. My go-to for relaxing nights scanning the sky.
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MilkyWaySweeper
The Zoom eyepiece is perfect for me. I love being able to dial in the right power without switching pieces. It's made my observing sessions much more fluid and enjoyable.
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EasyView
I wear glasses, so eye relief is key. The Expanse and Edge-On lines let me see the full field without removing them. Finally, comfortable high-power views.
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LongSession
The coatings on the Q70 and Expanse are excellent. The images are bright and high-contrast, which really helps when observing faint galaxies. The quality is noticeable.
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DeepSkyDave

Common Telescope Lens Questions

Choosing a telescope lens involves balancing magnification, field of view, and comfort. Here are answers to common questions about selecting the right Orion eyepiece for your observing needs.
A Plossl is a versatile, all-around performer suitable for beginners. For advanced planetary or deep-sky work, consider an Edge-On for its superior sharpness and comfort, or a Zoom for adjustable magnification in one unit.
A 32mm or 38mm eyepiece in a 2-inch barrel provides the widest, lowest-power views, perfect for scanning the Milky Way or framing large nebulae. They offer a true ‘space walk’ feel.
Zoom eyepieces are excellent for convenience, letting you change magnification without swapping pieces. Fixed focal length eyepieces often deliver slightly better optical performance and brightness at a specific power.
Yes, consider the barrel size to ensure it fits your telescope’s focuser. Also, evaluate eye relief for comfort, the number of lens elements for image sharpness, and coatings for brightness and contrast.
For planets, higher magnification with shorter focal lengths (3mm to 8mm) is ideal. For galaxies and nebulae, medium to low power with wider fields (15mm to 32mm) provides a brighter, more immersive view.
Yes, wider field eyepieces like the Q70 series provide a more immersive, panoramic view of the sky. This can make finding and observing extended objects more enjoyable and efficient.
A close-up diagram comparing the optical designs of a Plossl and an Edge-On planetary eyepiece.
A photographer holding different telescope eyepieces next to a telescope focuser to show barrel size compatibility.
Continue Exploring

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Orion 8 Inch Dobsonian Telescope

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