Tecnosky Superwide HD 17 mm Eyepiece View larger

Tecnosky Superwide HD 17 mm Eyepiece

Oculaires Tecnosky SWA 17 mm

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Tecnosky Superwide HD 17 mm Eyepiece

17 mm eyepiece with ED glass and 70 field. Sharp and relaxing deep-sky views with dual 1.25 and 2 inch barrel for wide telescope compatibility.

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Tecnosky Superwide HD 17 mm Eyepiece

Overview
The Tecnosky Superwide HD 17 mm eyepiece is a favorite for deep-sky explorers who seek wide, immersive, and visually relaxing sessions. It features 8 elements with ED glass for superb color correction and contrast. The expansive 70 field is perfect for framing open clusters or navigating star fields. With a dual 1.25 and 2 inch barrel, it fits virtually any focuser. The generous eye relief and twist-up eyecup ensure long, fatigue-free observation under the stars.

Technical specifications

  • Focal length: 17 mm

  • Apparent field: 70

  • Optical design: 8 elements including ED glass

  • Coatings: FMC (Fully Multi-Coated)

  • Barrel size: Dual 1.25 and 2 inch

  • Eye relief: 15 mm

  • Eyecup: Twist-up

  • Weight: 220 g

  • Recommended use: Deep-sky, lunar, comfortable wide-field observing

Optical performance

  • Large, flat and contrast-rich image

  • ED glass for refined color and sharpness

  • Ideal for medium magnification wide-field viewing

  • Great for refractors and fast Newtonians

Compatible accessories

  • Fits 1.25 and 2 inch focusers

  • Accepts 1.25 threaded filters

  • Projection-capable for imaging setups

Key features

  • ED glass 8-element layout

  • Wide 70 field for deep-sky ease

  • Dual barrel and high comfort

  • Ideal for long sky scanning sessions