Oculaires Tecnosky SWA 17 mm
New product
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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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