• T2 screw mount design, compatible with T-mount telephoto lens, refractor telescopes and astronomical telescope
• 25mm eyepiece focal length, 4 pieces & 2 blades lens structure
• Optical glass lens material, full coated high clarity-blue film
• Wide 90 degree angle, you can view correct image from telescope stand and just look down with a comfortable angle
• Made of plastic & aluminum alloy, durable and sturdy; with a cover to prevent dust and scratch

Specifications:

• Material: Plastic + Aluminum Alloy + Optical Glass
• Eyepiece Focal Length: 25mm
• Lens Structure: 4 pieces & 2 blades
• Terminal: T2 screw mount
• Item Weight: 123g/4.3oz