Digital Electronic Viewfinder for Nikon Canon SONY Fuji Pentax Olympus Camera DV Focus Hot Shoe Easy Tracking Sporting Aim

Auxiliary focusing unitFour aiming marks ChooseMake long distance focus shooting easierTelephoto lenses and high magnification help photographers quickly lock and track their subjectsA broad field of vision with the same multiplier of the human eyeTargeting mark with four patterns optional Angle adjustment, brightness (stepless dimming) and color (red or green)Universal hot and cold bootsApplicable to nikon, Canon, SONY, Fuji, panasonic and other brands, models are not limitedDust - proof and water - proof drops are suitable for ease of useIt can be used safely even in bad weatherLight aluminum alloyCNC technology, anodizing, fine grinding feel