Canon EF 24-70mm f/2.8L USM Standard Zoom Lens for Canon SLR Cameras
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- EF mount; standard zoom lens; Comes with Lens Cap E77U, Rear Lens Cap, Lens Hood EW-83F, Soft Lens Case 1219.
- Ultra-low Dispersion glass with Fluorite elements; inner focusing ring; full-time manual focus; aspherical lens
- 24-70mm focal length
- f/2.8 constant maximum aperture
- UltraSonic Motor (USM) AF actuator
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MODEL- 8014A002 VENDOR- CANON FEATURES- EF 24
From the Manufacturer
The Canon EF 24-70mm standard zoom lens does what many pros thought couldn't be done--it replaces the L-series 28-70mm f/2.8 lens with something even better. The lens offers extended coverage to an ultra-wide-angle 24mm, making it ideal for digital as well as film shooters. The new processing unit, meanwhile, makes the autofocus (AF) faster than ever. And thanks to the two aspherical elements and a totally new UD glass element, the optics are far superior to the earlier lens. Sealed and gasketed against dust and moisture, the EF 24-70mm lens carries a one-year warranty.
- Focal length: 24-70mm
- Maximum aperture: 1:2.8
- Lens construction: 16 elements in 13 groups
- Diagonal angle of view: 74 to 29 degrees
- Focus adjustment: Front-focusing method
- Closest focusing distance: 1.25 feet
- Zoom system: Rotating type
- Filter size: 77mm
- Dimensions: 3.3 inches in diameter, 4.9 inches long
- Weight: 2.1 pounds
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BUILD is excellent: quality plastics, weather seals, attractive semi-matte finish and sturdy metal mount. Electrical switches are beefy and nearly impossible to inadvertently change. The ribbed rubber zoom and focus rings are large and grippy, and positioned similarly to my 17- 40L and 70-200 4L IS. Appearance is similar to the 24-105L but slightly shorter and lighter. It feels solid and balanced on my 6D.
FOCUS is internal so the barrel doesn't rotate or change in length. AF is blazing fast and accurate on my 6D. Manual focus is always active (no switch flip required), smooth and finely pitched, allowing precise adjustments.
ZOOMING is accomplished via a single nested barrel. Zoom action is smooth but slightly stiff between 50 and 70. There is no zoom drift when pointed up or down so the barrel lock at 24mm seems superfluous. However, zooms tend to loosen with use so maybe I'll appreciate the lock a few years from now.
OPTICAL PERFORMANCE at F4 is sharp edge to edge. Center frame is similar to my 24-105 4L but corners are vastly improved. The best overall performance is at 24mm and 70mm, with slight deterioration at 50mm. This lens required +5 Microadjustment (MA) at 24mm for optimal sharpness (was front focusing). The long end was tack sharp at default (0). In contrast, my 24-105 4L is sharp at defaults (0) and required no MA on my 6D or 5D MKII.
There is a small amount of light falloff or corner darkening at 24mm and F4 but noticeably better in this regard than the 24-105 4L. Light falloff at 70mm is about the same as the 24-105L. Stopping down to F5.6 renders light falloff inconsequential. I don't notice light falloff unless testing on a white wall.
The most noticeable improvement over the 24-105L is the near absence of barrel distortion at 24mm. My ocean horizons are true! Chromatic Aberration (CA) is also reduced: a tiny amount of color fringing is visible via pixel peeking in corners at 24mm, but almost nothing at longer settings. It certainly bests my 24-105 4L in this regard.
Sunsets, spotlights and other bright light sources exhibit little to no flare. Flare resistant is markedly better than the 24-105L, making blazing Hawaiian sunsets a snap! However, use of the included EW-82L hood is recommended for protection from stray light, raindrops and doggie noses. This hood sports rayon flocking, matte black paint matched to the lens and petal cutouts. It has a lock release button but is a little loose and will come off with a light whack or firm rub on a beer gut. I prefer the snug fit of the EW-82H, the OEM hood for the 24-105 4L IS USM. And, yes, the EW-82H fits the 24-70 4L perfectly albeit slightly deeper. There is absolutely no vignette so it's staying on my 24-70 4L.
Macro results are impressive at .7x, making it ideal for flowers, small products and artwork. Press and hold the macro switch while turning the zoom past 70mm to engage macro range. Combined with Hybrid Image Stabilization I got sharp free standing flower shots I normally need a tripod for. I still prefer a tripod for such shots but being able to get a sharp impromptu macro is a wonderful feature for travelers.
IMAGE STABILIZATION (IS) gave me three additional stops of hand holdable range at 70mm, sometimes four on a good day (no coffee and 8 hours sleep!). The big deal is Hybrid Image Stabilization compensating for both up-and-down and swaying forward and back movements. The swaying back and forth movement often foiled my attempts at shooting museum artwork where tripods weren't allowed, so a welcome feature along with auto panning mode.
In a quiet room, I can't hear the IS mechanism while using the camera. IS is only audible if I place my ear directly on the lens. So quieter than the IS unit in the 24-105 4L USM (audible as soft grinding in quiet rooms).
LAST BLURB: I had to calibrate (MA) this lens for optimal sharpness. Once dialed in, images were satisfyingly sharp, contrasty and vivid from edge to edge. The game changer--and the main reason to pick this lens over the 24-105L--is the macro and Hybrid IS features. It's basically two lenses in one--normal zoom and macro--and lets me leave my macro lens at home when traveling light. Finally, the most frequent criticism of this lens is the high selling price ($1499). As of August 31, 2014, Canon reduced MAP to $999, making this a darn sweet deal.
I did a macro shot of a rose that I attached to this review. I'm pretty happy with the outcome as it was handheld at 5000 ISO with not much noise and quite sharp. The color seemed deep and the dew drops were mostly clean and sharp to the eye. The bokeh background really was impressive at F4.
I highly recommend this lens also based on the IS. I'm older and not as steady as I used to be. The IS feature made the difference to me compared to the 24-70mm 2.8 that did not have IS and was much more money. I felt that most of my shooting is outside and I didn't really need the faster f2.8 advantage.
I am a gear nerd, and after shooting with all three of these lenses, I can honestly say that this lens is the best of all worlds if you can only carry one lens. Sure, it can't do portraits as well as the 24-70 f2.8 L II, but for almost all other situations, since I shoot between f4 and f5.6 most of the time, the IS system and the size advantage will more than make up for the lack of f2.8... not to mention that at f5.6 this lens is just as sharp as the f2.8 L II!
If you want to compare to the 24-105 f4 L IS, it's a slaughter. Simply put, this lens is smaller, sharper, has a better IS system, and has a zoom lock. When you take into account how much sharper this lens is than the 24-105 (at least the one I owned), the extra zoom is easily negated by the ability to crop zoom OR just walk a few steps closer (I'm an old prime lens "zoom with your feet" kinda guy). If that's not good enough, and you spend much of your time above 70mm, you should just get one of the wonderful 70-200 options, or an older 80-200. they will all serve you better than the 24-105, I promise. To the point about the zoom lock: the 24-105 is pretty prone to barrel creep while you walk around, I never thought a lens lock would be a big deal, but after dealing with the 24-105 constantly "zooming out" while it was around my neck, the built in zoom lock on the 24-70's is wonderful. Frankly, Canon dropped the ball by not including one on the 24-105.
I bought this lens to be the "walk around" lens on my 6D for every day photography, the 24-70 f4 steps in and perfectly fills this role. I previously used the 24-105, but the size and the lack of zoom lock were intolerable for me, and the harsh sharpness downgrade every time I switched back from the 24-70 f2.8 was too painful. Now I don't have to worry about it. Unless I'm shooting people, or low-light, the 2.8 can stay in my bag and I carry the f4.