Datyson Astronomy Telescope Eyepiece Lens 1.25inch 40mm Fully Coated Optical Glass Green Film

Feature: 1. Standard 1.25inch Interface: Suitable for any 1.25inch31.7mm aperture telescope eyepiece interface. Applicable for viewing landscapes, bright astronomical observations, nebulae, etc. 2. High Magnification: Eyepiece focal length 40mm high magnification close to stars and planets, gives the widest viewing field along with extra sharpness and long eye relief. Bring the distant scene in front of you. 3. Full Green Coating: Present high definition picture, enhance light transmittance and color reproduction. It delivers clear and sharp images. 4. Superior Material: The high quality aluminum alloy body is sturdy and sturdy, with a long service life and is not easy to deform or damage. 5. Threaded Design: The telescope eyepieces is in a threaded design, which is easy to connect to other adapters. It is more convenient to use any device to watch astronomy scenery. Specification: Item Type: Telescope Eyepieces Material: Aluminum Alloy + Optical glass Gross Weight: Approx. 120g 4.23oz Optical Structure: PL Eyepiece Focal Length: Approx. 40mm 1.57in Lens Material: Optical glass Lens Coating: Full broadband green film Interface Size: Approx. 1.25 inches (about 31.7mm) Thread Specification: M28.6x0.6mm Field of View: 48 degrees. Package List: 1 x Eyepiece