- Omni eyepieces offer a quality 4-element Plossl optical design at a super affordable price.
- Rubber eyecups provide comfort and increase contrast. Leave them up or fold them down when wearing eyeglasses.
- Beautiful matte aluminum barrels and blackened lens edges prevent internal reflections.
- 1.25” barrels are threaded to accept filters.
From the manufacturer

Celestron Omni 6mm Eyepiece – 1.25”
Looking to build your astronomical eyepiece collection? Get started with Omni, a quality Plössl eyepiece with great views. Go ahead—add several to your arsenal.
FEATURES AND BENEFITS
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4-element Plössl designThis classic astronomical eyepiece features the very popular Plössl optical design. Inside, four glass elements perfect the image, each one fully multi-coated with high transmission coatings for brighter views. |
50° field of viewPerfect for viewing the Moon, planets, and a plethora of deep sky objects. |
High-powered observingWith a focal length of just 6mm, this eyepiece offers high magnification to get in close and observe objects when seeing conditions are stable. |
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Compatible with 1.25” focusers & accessoriesThe 1.25” mounting barrel is internally threaded to 1.25” filters and adapters. It is also compatible with 1.25” star diagonals, focusers and Barlows. |
Blackened lens edgesUnlike some other eyepieces, the edges of the optics are blackened to increase contrast. |
Quality aluminum housingThe eyepiece’s main housing is machined from durable, high grade aluminum. The eyepiece also includes a removable rubber eyecup. |
Two-step anodizing processEach Omni eyepiece is finished with a two-step anodizing process that results in a beautiful matte finish on the exterior while reducing internal reflections and glare inside. |
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Celestron Omni 6mm Eyepiece – 1.25” | Celestron Omni 4mm Eyepiece – 1.25” | Celestron Omni 9mm Eyepiece – 1.25” | Celestron Omni 12mm Eyepiece – 1.25” | Celestron Omni 15mm Eyepiece – 1.25” | Celestron Omni 32mm Eyepiece – 1.25” | |
Barrel Size (DIA): | 1.25” (31.75mm) | 1.25” (31.75mm) | 1.25” (31.75mm) | 1.25” (31.75mm) | 1.25” (31.75mm) | 1.25” (31.75mm) |
Focal Length: | 6mm (0.24”) | 4mm (0.16”) | 9mm (0.35”) | 12mm (0.49”) | 15mm (0.59”) | 32mm (1.26”) |
Apparent Field of View: | 50° | 50° | 50° | 50° | 50° | 44° |
Optical Design: | Plössl | Plössl | Plössl | Plössl | Plössl | Plössl |
Number of Lens Elements: | 4 | 4 | 4 | 4 | 4 | 4 |
Optical Coatings: | Fully Multi Coated | Fully Multi Coated | Fully Multi Coated | Fully Multi Coated | Fully Multi Coated | Fully Multi Coated |
Eye Relief: | 5mm (0.2”) | 6mm (0.24”) | 6mm (0.24”) | 8mm (0.31”) | 13mm (0.51”) | 22mm (0.87”) |
Filter Threads: | 1.25” | 1.25” | 1.25” | 1.25” | 1.25” | 1.25” |
Eye Guard: | Yes- Roll Up | Yes- Roll Up | Yes- Roll Up | Yes- Roll Up | Yes- Roll Up | Yes- Roll Up |
Weights/Dimensions: | 43.2g (1.5oz) | 34.7mm x 34mm x 34mm (1.36” x 1.34” x 1.34”) | 43g (1.4 oz) | 33mm x 34mm x 34mm (1.30” x 1.34” x 1.34”) | 51g (1.80 oz) | 38.77mm x 34mm x 34mm (1.52” x 1.34” x 1.34”) | 56g (1.97 oz) | 1.65mm x 34mm x 34mm (41.9” x 1.33” x 1.33”) | 70g (2.47 oz) | 51mm x 35.18mm x 35.18mm (2.0” x 1.38” x 1.38”) | 114g (4.02 oz) | 76mm x 41.7mm x 41.7mm (3.0” x 1.64” x 1.64”) |
Looking for specific info?
Product guides and documents
Product information
Product Dimensions | 8 x 8 x 6 inches |
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Item Weight | 2.08 ounces |
ASIN | B00008Y0S8 |
Item model number | 93317 |
Customer Reviews |
4.5 out of 5 stars |
Best Sellers Rank | #4 in Telescope Eyepieces |
Is Discontinued By Manufacturer | No |
Date First Available | March 19, 2003 |
Manufacturer | Celestron |
Warranty & Support
Feedback
Product Description
Celestron Omni series eyepieces offer a 50º apparent field of view, perfect for the Moon, planets, and a plethora of deep-sky objects. The premium four-element optical set is finished with multiple layers of high-transmission coatings for clear, sharp images. The edges of the optics are blackened for increased contrast. The Omni eyepiece body is made of aluminum. A two-step anodizing process results in a beautiful matte finish that resists reflections and glare. Each eyepiece in the Omni Series includes a black rubber eyecup. It can be left up or folded down for better observations while wearing eyeglasses. Models with a longer barrel (15mm, 32mm, 40mm) include a rubberized grip for non-slip handling during observing sessions. The insert barrel is threaded to accept 1.25” filters.
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