ITEM NAME:40x60 Cellphone Telescope 10 Plus Magnification for Camping Beach Travel Description: 40x60 mobile phone telescope lens with 10 Plus magnification 66mm/8000m field of view, 1.8mm exit pupil distance, 2.1 mm exit pupil diameter. Prism Material: BAK4 Coating Film: FMC wide band green film Focusing method : Objective adjustment + eyepiece adjustment Multi-application like camping, hunting, beach, travel ,boating, yachting, sports, bird watching, auto racing, horse racing etc. (do not support diving) Universal type suitable for phones in 5.5~8.3cm(2.16~3.2inch) width. Specification: Color: Black Size: approx. 17.5x9x8.5cm/6.89x3.54x3.35inch Warning: It is for.Multi-application like camping, hunting, beach, travel ,boating, yachting, sports, bird watching, auto racing, horse racing etc. (do not support diving). 1 Piece Clip.