![]() ![]() Both lenses also suffer from chromatic aberrations at the edges of the frame and are not as sharp as they could be when focused close. Having a stabilized lens would really help photographers get the most of a fast f2.8 lens so that we can hand-hold at lower shutter speeds. Personally I prefer the mechanics and feel of the Sigma lens over the Canon lens.įor both the Canon and Sigma lenses I wish both manufacturers made a 24-70mm lens with image stabilization (optical stabilization for Sigma). Both lenses seem to be robustly built and should handle the rigours of use well. Also the Sigma lens is much less money which is always good. I also like that the 24mm setting on the Sigma is more true and more wide than the Canon 24mm setting. On the other hand, if you are looking for an all around travel and landscape lens, I would give the Sigma higher marks because it is smaller, lighter, sharper at 24mm and at all other focal lengths at apertures f4 and higher and it suffers less from diffraction at small f-stops (like f16 and f22). Also the close focus ability of the Canon is better and sharper at 70mm than the Sigma lens and for detail photos at a wedding (rings, flowers, cake, tight face shots) this close-up capability would be welcome. As well, the well designed lens hood/zoom mechanism on the Canon helps to prevent flare my having a more functional lens hood. If you are a wedding or sports photographer who always shoots at f2.8 and likes to use back light, then I think the Canon is a good bet because it has better lens sharpness (by a small margin) at f2.8 and at all focal lengths except at 24mm. It would have been nice if the Sigma lens use 77mm threads which is a more common filter size than 82mm.Īs always that depends. For me, I use a Cokin Z-Pro Filter holder on my lenses and to get filters on the Sigma lenses was just a matter of buying an 82mm adapter ring for my filter holder. If you use filters the odd size filter size on the Sigma might be a serious drawback requiring an investment in larger sized filters. The Sigma lens has an odd size filter thread of 82mm. The Canon lens has a filter size of 77mm which is common for Canon L lenses. I was surprised that with the camera in the exact same position that the two zooms gave very different angles of view at the same focal length! So… the price you pay for the clever functional zoom within a long hood is that the Canon lens is bigger lens that weighs 20% more than the Sigma lens! If you do a lot of backlit photos then the Canon 24-70mm and its functional lens hood will better prevent flare.īoth the Canon and Sigma lenses are 24-70mm focal lengths so I expected both lenses to give me the exact same coverage when I swapped the lenses on the tripod-mounted body. So with the Canon you have a fully functional hood but with the Sigma it only works its best at 24mm. The Sigma lens has a short hood that is optimized for 24mm and when the lens is zoomed out, you still have a 24mm effective hood. Pulled back to 70mm the full hood length is used. The hood is long and when the lens is extended to 24mm, only about 1/3rd of the hood is used. The hood attaches to the lens body with a bayonet mount right above the red line on the lens. This may seem counter-intuitive but it is actually kind of clever because the lens hood on the Canon then becomes fully functional at all focal lengths. Canon’s design means that the lens is larger and extends even longer at 24mm. The Sigma (left) and the Canon (right) at 70mmĪt 70mm both lenses are the same size. Here is what I found out:Ĭanon 24-70mm f2.8L at B+H Photo = $1399.00 (weight 950g) ![]() I borrowed Wayne Simpson’s Canon 24-70mm Canon and spent three days in the field shooting with the two lenses. In the meantime, Sigma lent me their 24-70mm f2.8 pro lens to test out. So for almost two years I lived without a 24-70mm lens, waiting for the new and improved Canon. To date (August 2011), that lens is not yet out. ![]() I sold my lens about two years ago anticipating that Canon would release a Mark II version of the lens that was image stabilized and a bit sharper and with less distortion at the wide end. I also used it for landscape photography (until I started using tilt-shift lenses). Almost every professional I know owns and relies on a 24-70mm lens.įor years I owned a Canon 24-70mm f2.8L lens and it was a workhorse lens for me especially for my photographs of dogs and kids and outdoor recreation. A 24-70 f2.8 gives you a fast lens with a wide angle, normal and short telephoto capabilities. On full frame cameras a 24-70mm lens is the standard zoom lens for most professional photographers whether you shoot weddings, portraits, journalism, sports, travel or landscape. Note: To see all future reviews please note this blog is no longer active, please visit me over at
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