1 1.25 Inch: The bottom of the eyepiece features a light dampening thread that can be rotated, allowing for use with 1.25 inch filters and compatibility with standard 1.25 inch interface telescopes or light filters. 2 Long Focal Length: With a 40mm long focal length, this eyepiece provides a wide field of view and superior performance for low to medium magnifications. The soft rubber eyecup offers comfort and increased contrast. 3 Multi Coated Optics: The eyepiece is equipped with high definition, multi coated lens elements consisting of 2 groups and 4 layers. The optical glass provides maximum brightness and clarity for optimal viewing. 4 Aluminum Alloy Construction: The eyepiece features a full metal body made of premium aluminum alloy with a full surface multi layer coating, ensuring excellent optical performance and long lasting durability. 5 Versatility: Suitable for both terrestrial and celestial observations, this eyepiece is compatible with all telescopes with a 1.25 inch interface. It is ideal for observing the lunar surface, planets, nebulae, star clusters, and diffuse nebulae, providing high brightness, a large field of view, and a comfortable viewing experience.Item Type: Telescope Eyepiece
Material: Aluminum alloy, optical glass
Weight: Approx. 155g/5.5oz
Interface Size: Approx. 1.25in/31.7mm
Focal Length: 40mm
Lens Structure: PLOSSL
Coating: Full surface broadband coating green film
What's in the box
1 x Eyepiece
1 x Storage Box