TTArtisan Dot Sight with Reticle for Telephoto Camera Lens with Hot Shoe Mount Red / Green Guide 5 Level Brightness Tuning Dial Locking Design and Auto Sleep Mode for DSLR Mirrorless Photography | JG Superstore

▶ Is a photographic accessory to aid telephoto photography. When attached to the camera's hot shoe, The dot sight assists you in photographing far-away subjects. Both DSLR and mirrorless cameras can be used as long as there is a cold/hot shoe mount on the camera.*The hot shoe mount of some cameras is designed on the side or in a special position, which may make it impossible to use this dot sight.⚠️NOTES: ① Do not press the battery directly into the battery compartment. The correct installation is shown in the right picture, the battery is pressed under the snap and then into the compartment.② The high point of the lens and other accessories (filter holder, etc.) can not be higher than the hot shoe point of 3 cm, higher than 3 cm will cause blocking and can not be used. Please check whether it can be used with the lens.③ The dot sight is only used as an aiming aid, and it is normal for the field of view to slightly differ from the images or the monitor's field of view.④ The dot sight can't connect to the camera.⑤ Do not over tighten the dial. Damage caused by exceeding the limits of the adjustment dial is not covered by warranty or return. Over-tightening May Cause Damage⑥ It is recommended to aim at objects located at a distance of 10 meters. Positioning too close may result in poor aiming effect. When using a zoom lens, please set it to a fixed focal length for positioning.Easy to Use