TARION® V4 / Optical Viewfinder / Viewfinder SLR / extension of 2.8x magnifying viewer to screen 3 "inch LCD 16: 9 Loupe Visor LCD Sony DSLR NEX3 NEX5 (Accessory)
The magnet for fixing the viewfinder on its metal base interferes with a magnetic sensor inside the camera and causes a reversal of the image. This sensor is to detect the tilt of frame 180 degrees so it allows framing self-portraits. Consequently th
