Explore Scientific 18 mm 82° eyepiece


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$ 257

  • Wide 82° apparent field of view
  • Broad image with minimal optical distortion
  • Ideal for detailed observation
  • True color transmission across the entire field of view

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The 2" diameter barrel 82°-Series 18 mm Eyepiece from Explore Scientific is a wide-field telescope eyepiece designed for planetary and deep-space observations. Its wide exit pupil and long eye relief makes this eyepiece ideal for comfortable viewing for extended periods. The contrast is enhanced by a fold-down rubber eyecup that prevents stray light from leaking into your eye.

Anti-reflective multicoated optics ensures bright, high-contrast images with true color transmission across the entire wide field of view. The eyepiece features a textured surface for a sure-grip when changing it out, and it is argon-filled for water and fogproof performance when used in extreme temperatures and climates.

Wide exit pupil and long eye relief ensure comfortable long-duration observation through your telescope.

Fold-down eyecup prevents peripheral light from leaking into your eye, causing blurring and dimming of the image

Focal Length18 mm
Barrel Diameter2"
Eye Relief13 mm
Field Stop Diameter25.3 mm
Apparent Field of View82°
Dimensions3.5 x 2.2" (8.9 x 5.6 mm)
Weight13.7 oz (390 g)
Packaging Info
Package Weight1.45 lb
Box Dimensions (LxWxH)5.5 x 4.5 x 4.0"
Card Code800610078

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