Average Reviews:
(More customer reviews)The is one of the most popular lenses, and with good reason -- you get a lot of bang for your buck. It has USM for fast focusing, images stabilization (IS), and a very versatile focal range that covers wide angel to mid-telephoto. For the most part, its only downside is the f/4 aperture limitation.
- Sharpness
This lens is sharp across all focal lengths. I haven't noticed any degradation on either the 24mm or the 105mm end. F-stop is another matter. The lens is sharpest between f/8 to f/11. Outside of this "sweet-spot" (i.e. below f/8 or above f/11) shots of distant objects are *noticeably* blurrier. (See uploaded images on the product page for a comparison images shot with different f-stops.)
For relatively close subjects, however, the difference in images quality across f-stops is a lot less perceptible - that's good news if you're going for a bokeh in your portrait shots by opening up the aperture.
- Chromatic Aberration (CA)
Chromatic aberration on this lens is minimal, even in bright light. It is either barely noticeable or imperceptible. In more even lighting, this lens shows no signs of CA.
- Auto-Focus (AF)
The auto-focus is real snappy. Thanks to its ultrasonic motor (USM), it brings objects into focus in a fraction of a second. In the AI Servo mode, the focusing mechanism is very responsive for bringing even very fast-moving subjects in focus. However, as with all lenses, the auto-focus inevitably has a bit of trouble in (i) lowlight conditions and (ii) with surfaces that lack texture or contrast.
- Image Stabilization (IS)
The image stabilization is amazing. In my book, image stabilization is a must for a lens to be truly called a "walk-around" lens. For the times you don't have your tripod with you, the IS on this lens will prove very invaluable for helping you steady your shots, especially at the 105mm end! (It helps to bear in mind, too, the rule of thumb: the shutter speed should be at least as fast as the reciprocal of the focal length.)
- Internal Focus (IF)
The Internal Focus is a big plus when you're using a circular polarizer filter. With Internal Focus, the barrel on which the polarizer is affixed doesn't turn and throw filter out of adjustment, so it saves you from having to readjust the filter after the subject is brought into focus.
- Build
This lens simply oozes quality. There's a good heft to it but it's not too heavy. It is reportedly a little lighter than the 24-70mm. The dimensions, weight, and feel of the lens is a lot like the 17-55mm. Both the zoom ring and focusing ring turn very fluidly. The zoom ring is tight enough to prevent zoom creep.
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This quality of this lens is top-notch and definitely worth the money. It offers a very useful 24-105mm focal range without compromising on sharpness. The only limitation is the f/4 aperture. If this is not a concern for you, this lens is definitely worth consideration.
Click Here to see more reviews about: Canon EF 24-105mm f/4 L IS USM Lens for Canon EOS SLR Cameras - Gray Market
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