Model Colour:?Q- 12X50 high-performance monocular The monoculars are light and compact, suitable for carrying around and can offer you more peren, bring you closer to the world Monocular Telescope What should I do when on the phone display a black area appears when the phone is connected to the telescope When the phone is connected to the monocular, the image is circular and the surrounding area is black. Manually zoom the screen to remove the black borders and enlarge the target. Package Tripod×1 Monocular X 1 Lens cloth X 1 Mobile phone holder X 1 Lanyard X 1 User manual X 1 Storage bag X 1 Product color: black Material: PPS, rubber Packing size: 17*8*9cm Product net weight: 480g Product Size:16.5x5x4.2cm Exit pupil di: 13.6mm Exit pupil diameter: 4.2mm Notes Please wipe the lens with wipe with an wipe. Please do not use this monocular to look directly at the sun. But in order to prolong the service life, do not wash it with water or immerse it in water The light intensity will affect the clarity adjustment function of the telescope, please adjust it patiently.