SVBONY Telescope Eyepiece 34mm 2 inches Ultra Wide Angle 72 Degree Telescope Lens HD Fully Coated Telescope Accessory for 2 inches Astronomics

Product description Large Field of View The eyepiece has a large field of view and the field of view is as high as 72 degrees. Excellent Optical Performance with high contrast, high resolution and excellent flat field characteristics. Durable Comfortable The eyepiece is equipped with a detachable and collapsible soft silicone eye mask for long-term observation. Waterproof 5-piece 3 group eyepiece structure, make it moisture proof and waterproof Use for viewing,especially for large-area deep-sky objects, will provide high light transmission image quality. In the long-term use, both in the planetary and deep space, there are good performances. No additional chromatic aberration introduced, making it easier to make long-term observations Specification: Model: SV136 Focal Length: 34mm Eye Relief: 24mm Field Stop Diameter: 40mm Apparent Field of View: 72° Barrel Size: 2inch Lens Structure: 5 -Elements/4-Groups Filter Threads Standard: 2" Filter Thread (M48 x 0.75) Coatings: Fully Multi-Coated Blackened Lens Edges: Yes Barrel Safety Recess: Yes Rubber Eye Guard: Yes Net Weight: 370g / 13.05oz /0.816lb Package Include: 1 X SVBONY 34mm Aspheric Eyepiece Safety Warning Don't look directly into the sun,or it will burn your eyes