Monocular Telescope 40 x 60, New 2021 Monocular Telescope High Power for Adults, HD Monocular with Phone Holder and Tripod, BAK4 Prism Lens Design, for Travel, Bird Watch MUSJOSHD Monocular Telescope Monocular Telescope With BAK4 prism lens design. The new light path design, the super wide angle, the amount of light transmitted, the high resolution and the good color reduction significantly improve the quality of mobile imaging. And the eyepiece of the monocular is also coated with multi coated FMC green film, guaranteeing superior light transmission and brightness, clearer and delivering razor sharp images. 40X60 High Power