Rigid Fiber Optic Endoscope: arthroscope OPTIMED made in Russia (St. Petersburg), Optical tube, viewing angle 75 , D = 4 mm, L = 300 mm rigid ** Please reference item #200131-5770-04 when contacting us about this listing. Return Policy Items are sold as-is as described and pictured. Most items come with a 7 day option to return and a 30 day limited parts warranty. Feel free to call before you buy. 888-649-6497