This 10mm focal length 1.25″ eyepiece is ideal for all types of telescopes: reflector, refractor, and catadioptrics such as Maksutov-Cassegrains (Mak-Cass)
An excellent telescope ocular for higher-power planetary and lunar observation
Offers a 52-deg apparent field of view for clear, sharp images of impressively high contrast
Multi-coated for maximum light throughput
Great for observing small planetary nebulas and globular star clusters

This 1.25″ 12.5mm focal length eyepiece is ideal for all types of telescopes: reflector, refractor, and catadioptrics such as Maksutov-Cassegrains (Mak-Cass)
Moderate magnification provided by 12.5mm focal length design performs well on both deep-sky and planetary subjects
Offers a 52-deg apparent field of view for clear, sharp images of impressively high contrast
Multi-coated for optimal light throughput and bright view quality
An excellent middle ground eyepiece for detailed views at moderate power in any telescope

This 1.25″ 25mm focal length eyepiece is ideal for all types of telescopes: reflector, refractor, and catadioptrics including Maksutov-Cassegrains and Schmidt-Cassegrains
A great 25mm focal length eyepiece for moderate-power observations of the Moon and planets of the solar system
The 25mm Sirius Plossl provides crisp views of many deep-sky objects such as nebulas and star clusters
Multi-coated to provide bright views with impressively high contrast
Offers a 52-degree apparent field of view for clear, sharp images of celestial and terrestrial fare

This 32mm Plossl 1.25″ eyepiece is ideal for all types of telescopes: reflector, refractor, and Cassegrain
Offers a 52-deg apparent field of view for clear, sharp images of the Moon, planets and many deep space objects with impressively high contrast
Eyepiece optics are multi-coated for bright, clear views
Offers a very wide true field and a wide apparent field for dramatic visual effects
Threaded for use with 1.25″ telescope eyepiece filters

9mm 1.25″ telescope eyepiece offers a wide field of view and superior optical performance at a bargain price
Nice 15mm eye relief lets eyeglass wearers view the entire field without removing their glasses
Wide 66deg apparent field of view lets you see more of the sky
Delivers sharp images with good color correction and contrast
Aluminum 1.25″ eyepiece barrel is internally blackened to eliminate light scattering, and is threaded to accept 1.25″ Orion filters

This 15mm telescope eyepiece offers a wide field of view and superior optical performance at a bargain price
Wide 66deg apparent field of view lets you see more of the night sky thropugh your telescope
Nice 13mm eye relief provides a comfortable view – no squinting required!
Delivers sharp images with good color correction and contrast
Aluminum eyepiece barrel is internally blackened to eliminate light scattering, and is threaded to accept 1.25″ Orion filters

• This 3.5mm Stratus eyepiece from Orion sports a monster 1-1/4″-diameter eye lens and a generous 20mm eye relief
• Boasts a 68-deg apparent field of view for a wide-field window into the heavens
• Eyepiece optics are fully multi-coated to maximize light transmission
• Lens edges are blackened to ensure excellent contrast
• Can be used in either a 2″ or 1.25″ telescope focuser or diagonal

• The ultimate in viewing comfort – our 5mm Stratus telescope eyepiece sports a monster 1-1/4″-diameter eye lens and a generous 20mm eye relief
• An ideal eyepiece for high-power yet wide-field views through a telescope of the Moon, planets and bright deep sky objects
• Large 68-deg apparent field of view for a nice and wide window into the heavens
• Fully multi-coated optical elements feature blackened lens edges for maximized light transmission and excellent contrast
• Usable in both 1.25″ and larger 2″ telescope focusers thanks to its dual-purpose body

• This 17mm Orion Stratus eyepiece sports a monster 1-1/4″-diameter eye lens and a generous 20mm eye relief for exceptional viewing comfort
• An ideal telescope eyepiece for wide-field, moderate magnification views of the Moon, planets and bright deep sky objects
• Offers a 68-deg apparent field of view for a nice and wide window into the heavens
• Eyepiece is usable in both 1.25″ and larger 2″ focusers thanks to its dual-purpose body
• Optics are fully multi-coated and feature blackened lens edges for maximized light transmission and excellent contrast

• Four-element 12.5mm focal length 1.25″ Plossl telescope eyepiece with an illuminated double crossline reticle
• Excellent for accurate polar alignment, GoTo system alignment, IntelliScope system alignment, and acquiring and centering of guide stars for guided astrophotography pursuits
• Fully multi-coated lenses provide bright views with a 40-deg apparent field of view
• LED-illuminated double crossline reticle has adjustable focus and brightness
• Illuminator requires three GP-189 batteries (included)

• Delivers a 3x magnification boost to any 1.25″ telescope eyepiece, greatly increasing your available viewing magnifications
• For example: The Orion Tri-Mag 3x Barlow makes a 15mm eyepiece yield the same magnification as a 5mm eyepiece (15/3 = 5)
• Great for high-power lunar and planetary observations
• Perfect for extracting higher powers from short-focal-length telescopes
• Threaded to accept standard 1.25″ Orion eyepiece filters

• This 4-Element 2x Barlow will give your 1.25″ telescope eyepieces a power-doubling magnification boost
• Sophisticated fully multi-coated, 4-element lens design renders exquisite images without introducing additional chromatic aberration for crisp, color-correct views
• Enjoy twice the power while maintaining comfortable eye relief and edge sharpness of longer focal length eyepieces
• Great for high-magnification lunar and planetary observations and astrophotography
• Brass compression ring keeps eyepieces securely installed without scratching, and the barrel is threaded for use with 1.25″ Orion filters

• This big, 4-Element 2x Barlow will give your 2″ telescope eyepieces a power-doubling magnification boost
• Sophisticated fully multi-coated, 4-element lens design renders exquisite images without introducing additional chromatic aberration for crisp, color-correct views
• Enjoy twice the power while maintaining comfortable eye relief and edge sharpness of longer focal length 2″ eyepieces
• Brass compression rings keep inserted eyepieces secure without scratching, and the barrel is threaded for use with 2″ Orion filters
• Included step-down adapter allows use with both 2″ and 1.25″ size eyepieces