a golf green reader is disclosed . the device is available in two versions — one that is elongated , is sized similar to the length of a golf umbrella and allows the user to site the putt line while standing , and a second version that is handheld . the device includes optics to provide the user with the ability to site along a laser - pointer line and focus , zoom and obtain a wide - angle view of the cup from the ball location . the device further overlays an image that aids the user in holding the device in a level position while siting along the putt line . the image overlay includes symbology that indicates current spacial orientation of the device , the desired spacial device orientation and the direction to correct the device orientation .