Description
A new focal length joins the Explore Scientific line of inert gas-purged Waterproof Eyepieces with the 3mm 52° Series Eyepiece. A logical companion for the “grab-and-go” ED80mm f/6 Air-Spaced Triplet, this eyepiece produces 160X which will perform very well with good seeing conditions. On the ED152 at f/8, 405X is achieved without the use of a Focal Extender or Barlow for those nights of near perfect seeing, with a very comfortable 15mm of eye relief.
Designed for high-power on-axis observations, the Explore Scientific 3mm 52° Series Waterproof Eyepiece is fully EMD (Enhanced Multi-Layer Deposition) Coated with edge blackened lenses providing the contrast required for serious high-power observing of planets, close-paired double stars, and bright compact deep sky objects. With an apparent field of view of 52 degrees, these eyepieces offer incredible value.
Specifications
Focal Length: 3mmLength: 90.9mmWidth: 43mmWeight: 204.1 grams; 7.2 oz.Barrel Size/Type: 1.25″ O.D. / Double TaperEye Relief: 15mmField Stop Diameter: 2.7mmCoatings: EMD (Enhanced Multi-Layer Deposition) on all lens-to-air surfacesLens Elements/ Groups: 6 Elements in 3 Groups; Edge BlackenedFilter Thread: Fits Standard 1.25-inch Dia. Thread in Filters (1.125-inches x 42 TPI)Waterproof: O-Ring Sealed Argon Gas Purged; Tested Under 1 Meter of Water for 30 MinutesEyecup: Removable Flip-Down Style Soft Silicone RubberLens Caps: Slide-on Top and Bottom
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