TARION V2 / Optical Viewfinder / Viewfinder SLR / extension of 2.8x magnifying viewer to screen 3 "inches LCD 3: 2 Magnifier Lens hood for Canon EOS 550D DSLR (Accessory)
Good easy to implement appliance and use. A little fine encombrant.qui filled his office. Would have been improved, so pliable, more compact