2” 31mm 82 Degree Luminos Eyepiece
$299.99
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2” 31mm 82 Degree Luminos Eyepiece
$299.99
82° Wide View
Expansive Ultra Wide Angle Optics
31mm Focal Length
Deep Space Wide Field Power
2-Inch Barrel
Threaded For Astronomy Filters
Stargazing ViewpointExperience Ultra Wide Deep Space Viewing
The Celestron Luminos Eyepiece – 2” 31 mm offers an incredible 82º field of view designed to maximize light transmission and visual clarity in your telescope setup. Engineered with fully multi-coated 6-element optics, this high-performance telescope eyepiece delivers crisp wide-field planetary and deep-sky views. Its twist-up retractable eyecup and durable anodized aluminum housing make panoramic astronomical observing comfortable and seamless.
Precision Optical DesignUnmatched Panoramic Performance For Astronomers
Elevate your astronomy experience with the top-tier Celestron Luminos Eyepiece – 2” 31 mm, designed for refractors, reflector, and Schmidt-Cassegrain telescopes alike. Built with a solid anodized aluminum barrel, hard-wearing rubber grip, and parfocal optical alignment, switching between Luminos series lenses requires virtually no refocusing. The integrated 2-inch barrel accepts standard visual filters, while the generous 27mm eye relief ensures complete viewing comfort even for observers who wear eyeglasses.
Technical SpecificationsComplete Optical And Physical Dimensions
Focal Length
31mm (1.22") (ruler)
Apparent Field of View
82°
Eye Relief
27mm (1.06") (eye)
Optical Coatings
Fully Multi Coated
Number of Lens Elements
6
Barrel Size
51mm (2") (circle)
Field Stop Diameter
47mm (1.85") (circle)
Parfocal Eyepieces
Yes
Weight
2 lbs 11.3 oz
Core Optical FeaturesKey Highlights Of Luminos Series
Apparent Field of View82° ultra-wide angle for panoramic space views
Eyecup MechanismRetractable twist-up eyecup for custom eye position
Barrel ThreadingStandard 2-inch barrel threaded for astronomical filters
Secure HandlingRubber grip equator for easy handling with cold gloves
Optics QualityFully multi-coated 6-element glass optical design
Focus ConvenienceParfocal design allows fast eyepiece swapping without refocusing
Frequently Asked QuestionsEverything you need to know
What telescope types work best with the Celestron Luminos Eyepiece – 2” 31 mm?
The Celestron Luminos Eyepiece – 2” 31 mm works exceptionally well with fast refractors, Schmidt-Cassegrain telescopes, and Celestron EdgeHD optical tubes fitted with a standard 2-inch star diagonal.
Can I use standard visual filters with the Celestron Luminos Eyepiece – 2” 31 mm?
Yes, the 2-inch aluminum insert barrel of the Celestron Luminos Eyepiece – 2” 31 mm is threaded to accept standard 2-inch light pollution, nebula, and planetary filters.
Is the Celestron Luminos Eyepiece – 2” 31 mm comfortable to use while wearing eyeglasses?
Yes, with a generous 27mm of eye relief and a retractable twist-up eyecup, the Celestron Luminos Eyepiece – 2” 31 mm allows glass wearers to view the entire 82-degree field of view comfortably.
Is the Celestron Luminos Eyepiece – 2” 31 mm parfocal with other eyepieces in the series?
Yes, all eyepieces in the Celestron Luminos line are parfocal, allowing you to switch between focal lengths during an observing session with little to no refocusing required.