The PANDA 35 x 50 Hiking Concert Camera Lens Zoom Mini HD Monocular Telescope for Smartphone is equipped with Roof system BAK4 prism to ensure its high performance. Large 50mm objective lens diameter provides you a wide-angle view. Objective lens coated with FMC green film and eyepiece coated with blue film allow for 95% of light transmittance to offer clear imaging. And it easily installs to your cellphone with a convenient cellphone clip. Night vision function enables you to watch target clearly even when there is little brightness around it. Don’t hesitate to order now!                                    Features             Equipped with Roof system BAK4 prism<br> Large 50mm objective lens diameter provides you a wide-angle view<br> Objective lens coated with FMC green film and eyepiece coated with blue film allow for 95% of light transmittance to offer clear imaging<br> Easily install to your cellphone with a convenient cellphone clip<br> Close focus distance is 1.5 meters<br> Night vision function enables you to watch target clearly even when there is little brightness around it<br> Come with a storage bag for easy carrying and protection<br> Wrist strap secures the monocular to your hand<br> Great for bird watching， traveling， climbing， beach， etc.<br> Please notice that the night vision function doesn’t mean to watch objects in the dark <br>                                                            Specifications             Magnification     10X    <br> Field Angle     8°    <br> Objective Lens Diameter     42mm    <br> Prism System     Roof System    <br> Field-Of-View     1200m/9600m    <br> Focusing Way     Finger and Objective Lens    <br> Exit-Pupil Diameter     1.3mm    <br> Exit-Pupil Distance     20mm    <br> Near Focal Distance     1.5m    <br> Objective Lens Film     FMC Wide Band Green Film    <br> Eyepiece Film     FMC Wide Band Blue Film    <br> Waterproof Type     Life Waterproof    <br> Dimensions     (6.30 x 2.68 x 2.17)" / (16 x 6.8 x 5.5)cm (L x W x H)    <br> Weight     9.88oz / 280g     <br>                                                             Package Includes            1 x Telescope<br>1 x Pouch<br>1 x Strap Buckle<br>1 x Lens Cover<br>1 x Manual<br>