Received as a gift. Featuring an EOS 5D MkII and 7D housing, mounted on one it serves me 40 mm lens to do everything (or almost) during walks, to travel "light" or to blend discreetly into the crowd (impossible with My 24-70mm L !!!); and on the other to make the portrait (= 64 mm). Opening and interesting mat, quality bokeh at f / 2.8, and the small defects singled out in some test are easily retouchables on Lightroom. This goal "pancake" at an incredible price for the Canon needs to be in the bag of any expert or amateur photographer. I just enjoyed having a small protective pouch and a sunshade in the package. For cons, the lens is slightly recessed and small, I do not think this pebble invest a neutral protective filter ... With this 40 mm lilipucien, I will (almost) always a reflex on hand or in the glove box / storage box of my car (not before!). More so regret to miss photo, and that's great !!!