TTArtisan Dot Sight for Super-Telephoto Photography, Telephoto Focus Tracking Viewfinder Compatible with Nikon/Sony/Cannon Camera

There-step to Calibrate the Reticle: Fix the camera in an open field for calibration. Adjust the position of thereticle, and aligh the camera screen with the sme target asthe dot sight.
Locking Design: The locking design is more convenient in the case of frequent locking or unlocking, just a flick of the lock to complete the locking or unlocking action.
Red/Green Reticle: The red reticle usually used in low light scenes. Bright red color is more eye-catching in dark background, which helps the photographer to lock the target quikly and accurately. The green reticle is more suitable for outdoor or bright environments. The soft green is not too glaring in strong light, ensuring clear and comfortable vision.
Five Levels of Adjustable Brightness: The dot sight offers five levels of brightness to adapt to a variety of lighting conditions. Whether used in bright sunlight or dimindoor environment, youcan find ,ost suitable brightness.
Automatic Sleep Mode: The reticle will trun off if no operations for 6 hours. Automatic sleep mode effectively prevents unnecessary power consumption. In this mode, the dot sight's power usage issignificantly reduced. Simply press the color selection button to wake the sight.
Lightweight and Portable, Weighing about 73g: Weighing just 73 grams, TTArtisan Dt Sight s easy to carry and will net be a burden to your shooting.

Hello,