Tecnosky Planetary ED 25 mm Eyepiece

Tecnosky Planetary ED 25 mm Eyepiece

Overview
The Tecnosky Planetary ED 25 mm eyepiece is ideal for wide-field, low-power observation. With its 5-element optical design and ED (Extra Low Dispersion) glass, it offers high color fidelity and excellent light transmission. The generous 60° apparent field is perfect for viewing extended nebulae, open clusters, or sweeping the lunar surface. The 16 mm eye relief and twist-up eyecup provide excellent comfort for extended viewing sessions and make it a great choice for eyeglass wearers or as a finder eyepiece.

Technical specifications

• Focal length: 25 mm

• Apparent field: 60°

• Optical design: 5 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: Wide-field deep-sky viewing, lunar landscapes, star-hopping

Optical performance

• ED glass for natural color and clarity

• Bright, soft image at low magnification

• Comfortable field for sweeping the sky

• Excellent for long observing sessions

Compatible accessories

• Fits all 1.25" telescope focusers

• Threaded for standard 1.25" filters

• Suitable for refractors, Maksutovs, and starter scopes

Key features

• 5-element ED optical design

• FMC coatings for enhanced brightness

• Wide 60° field ideal for exploration

• Long eye relief and durable twist-up eyecup