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The 30mm 82° Series Waterproof Argon-Purged Eyepiece is a popular focal length in the upper-medium power magnification class providing both super-wide apparent field and generous eye relief
With an impressive 1900mm focal length and a slow f/15 focal ratio
Smooth pan-and-tilt movement from the alt-azimuth mount makes navigating the sky intuitive
It offers a built-in belt/pocket clip and comes with a neck strap for quick access
25-inch eyepieces and filter wheels
52° Series 10mm Waterproof Eyepiece astroimaging The 30mm 82° Series WaterproofEyepieces at or near the 10mm range are often considered a mandatory focal length in your collection, as this focal length range is departure point from medium power eyepieces for most telescopes for amateur astronomers. Fainter deep sky objects that do not have the inherent brightness to be observed at higher powers are often perfect for a 10mm. Explore Scientific Waterproof Eyepieces Comfort, Quality, Value. The Explore Scientific 52 Series
US$ 24.20
US$ 54.99
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US$ 32.90
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