Overview: The enlargement eyepiece making it easier to find views Super magnification & easier focusing Ergonomic design, small & exquisite, and greatness lies in the capacity Totally new design of all-metal lens barrel structure Originated professional interfaces in industry applicable for a range of SLR cameras Wide adaptability to short-sightedness, astigmatism & presbytism High eyespot shadeless amplifying system designated for glass-wearing photographers Military-quality double-sided broadban multi-layer anti-fog coating system The perfect combination of environment-friendly silica gel materials & the anti-shedding