Telescope Eyepiece Standard 1.25 Inch Astronomy Telescope Eyepiece 1.25 68° Ultra Wide Angle Eyepiece Kit 6+9+15+20mm for Telescope

Specification: Color: Black Material: Aluminum Alloy + Optical Glass Eyepiece Series: 68-Degree Ultra Wide Eyepiece Focal Length: 6mm/9mm/15mm/20mm Size: 1.25 (31.7mm) Apparent Field of View: 68 Degree Coating: Fully Multi-Coated Broadband Eye Relief: 17mm Structure Design: 5-elements in 3 groups (6mm); 6-elements in 4 groups (9mm); 4-elements in 3 groups (15mm); 5-elements in 3 groups (20mm); Lens material: Optical Glass Lenses Body Material: Fully Metal Filter Threads: Standard 1.25 Filter Thread Rubber Eye Guard: Yes Weight: Approx. 556g Package List: 1 * 1.25 68-Degree Ultra Wide 6mm Eyepiece 1 * 1.25 68-Degree Ultra Wide 9mm Eyepiece 1 * 1.25 68-Degree Ultra Wide 15mm Eyepiece 1 * 1.25 68-Degree Ultra Wide 20mm Eyepiece Telescope in the picture is prop.

• 4 Telescopes Eyepieces: 1.25-inch 68-degree ultra-wide-angle 6mm eyepiece + 1.25-inch 68-degree ultra-wide-angle 9mm eyepiece + 1.25-inch 68-degree ultra-wide-angle 15mm eyepiece + 1.25-inch 68-degree ultra-wide-angle 20mm eyepiece. Exit pupil distance: 17mm.
• Standard 4 Piece Set: Standard 1.25-inch astronomical telescope 4-piece eyepiece kit, comprehensive wide-angle structure provides you with a wider field of view.
• Clear Imaging: The ultra-wide 68-degree field of view provides a wide view of the moon, star clusters, and . And the multi-element design provides clear images with good color correction and contrast.
• Eliminate Astigmatism: The interior of the aluminum 1.25-inch eyepiece tube is black-treated to eliminate light scattering. Optical glass lens material and all-metal body, more sturdy.
• Mounting: The filter thread is a standard 1.25-inch filter thread.