Lightweight and Durable---- The barlow lens sleeve is made of high quality plastic, which is lightweight and can stable and durable for a long time use. Easy to Use---- Simply insert the eyepiece into Barlow lens, and then insert the Barlow lens into the scope. Length: 6.8cm / 2.7in. High Refractivity---- Multi coated optical lens offers a high quality observation without additional chromatic aberration, making image more clear. Comfortable Observation---- This barlow lens can provide more magnification without reducing the exit hole on the eyepiece and keeping a comfortable observation with wide view. 3X Barlow Lens---- 3X magnification with 0.965 inch interface doubles the magnification of any 0.965 inch eyepiece. With M42x0.75mm thread to connect digital camera via T ring adapter.

Manufacturer: Acouto. Date First Available: December 26, 2018. Best Sellers Rank: #53 in Telescope Barlow Lenses. Customer Reviews: 3.7 out of 5 stars 9 ratings 3.7 out of 5 stars. : B07M9S1BKP. Item Weight: 0.635 ounces. Product Dimensions: 2.76 x 1.18 x 1.18 inches.