Tecnosky Planetary ED 5 mm Eyepiece

Tecnosky Planetary ED 5 mm Eyepiece

Overview
The Tecnosky Planetary ED 5 mm eyepiece is designed to provide excellent performance for planetary and lunar observation. It uses a 5 or 6-element optical layout with ED (Extra Low Dispersion) glass to minimize chromatic aberrations and produce crisp, contrast-rich images. The 60° apparent field offers immersive views, while the 16 mm eye relief and twist-up eyecup ensure observing comfort, even for eyeglass wearers.

Technical specifications

• Focal length: 5 mm

• Apparent field: 60°

• Optical design: 5/6 elements with ED glass

• Coatings: FMC (Fully Multi-Coated)

• Barrel size: 1.25" (31.75 mm)

• Eye relief: 16 mm

• Eyecup: Twist-up

• Weight: 170 g

• Recommended use: Lunar and planetary observation

Optical performance

• ED glass for excellent chromatic correction

• Sharp, high-contrast images across the field

• Wide field allows immersive planetary viewing

• Comfortable with twist-up eyecup and long eye relief

Compatible accessories

• Fits all telescopes with a 1.25" focuser

• Compatible with 1.25" threaded filters

• Works best with long focal length optical systems

Key features

• ED glass for reduced chromatic aberrations

• FMC coatings for improved transmission and contrast

• 16 mm eye relief for relaxed viewing

• Black anodized aluminum housing for durability