Average Reviews:
(More customer reviews)I was salivating for this lens for four months and finally bought one a few weeks ago from the Amazon. I was very excited and couldn't wait to put this glass on my 20D.
First impression I got was that this lens is not that heavy as 3.7 pounds may seem, but boy I was wrong about that. It feels solidly built and looks not that huge on the body. So there we go... After filling up my 1GB CF with shots (taken outside, inside with external flash and without, with different f-stops and all range of zooms) and closely examining the results I decided to write this review with which I did not try to downplay the qualities of this piece of art, just to share my humble opinion.
Pros:
All in one solution (well may be except super wide)
Under most light conditions the lens performs as expected which is very good
Great zoom range that converts to 45-460mm on APS-C bodies
Nice color saturation and contrast, gorgeous bokeh
Push pull zoom (for some may not) which allows lightning fast zoom change
Focusing distance only 0.7 meter for any zoom range!
IS is doing a great job on longer exposure times
Quiet and fast focusing, never had a hunting problem
Included lens case is of good quality
Cons:
Painfully heavy (you start to feel it after an hour or so)
Pricy the much more suitable price would be around$1700.00
Softness in pictures at the 28 and 300mm range with fully opened aperture.
Focusing ring is too close to tightening ring so when you trying to loosen the tension inadvertently you may change the focus.
Very inconvenient to loosen tightening ring with one hand almost always had to do it with both hands
Aperture falls fast to f/5.6 somewhere in the 85-100mm range.
200 and 300mm ranges are too close to each other which makes it hard to adjust to precise zoom and it's causing overshoot. At the very end (300mm) lens gets stuck and you have to use force to push it back, and that's prevents you from gradually and smoothly change the zoom in between 180-300mm. I heard it's because it's new and this will go away.
The lens hood is barely sufficient at 28mm and almost completely useless at 300mm.
The shoulder strap is very narrow and will definitely pinch a nerve if you carry the lens case around your neck or shoulder
Overall it's a great solution if you only want to carry one lens and if you want to travel "light" but really don't know what focal lengths are required. But still I decided to return mine back and replace it with EF 24-105 L IS USM f/4 and EF 70-200 L USM f/2.8. as it's performance did not live up to my expectations for such high price and inconvenience to carry such a heavy load on your shoulder all day around.
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Product Description:
Canon raises the stakes for professional photography with its EF 28-300mm USM ultra-high magnification zoom lens with image stabilization. This handy, compact zoom lens offers versatility, easy subject selection, and the highest optical performance in its class. The 11x zoom range covering everything from wide-angle to telephoto, and you can focus in on subjects as close as 2.3 feet. A powerful ring-type USM drive provides silent. Featuring a dust- and moisture-proof "white lens," it is designed to appeal to professional EOS photographers looking to reduce lens changes and the number of lenses they need to carry.
Image Stabilization
The lens incorporates Canon's Image Stabilization (IS) technology, compensating for approximately three stops without any perceptible increase in image blur when shooting static subjects or panning. This increases the range of circumstances in which hand-held photography is possible, limiting the need to carry a tripod.
Fast Auto-Focus
The inner focusing ring-type ultrasonic motor (USM) converts ultrasonic vibrational energy into rotational force to deliver high-speed, high-precision, super efficient and virtually noiseless auto focusing, with good holding torque for rapid response, accurate stopping. Full-time manual override without damage to the autofocus mechanism is featured. Minimum focusing distance is just 0.7m throughout the entire zoom range.
Ready for Digital Photography
The lens shape and coatings have been optimized to suppress ghosting and flaring, making this lens ideal for use with digital cameras that are more susceptible to reflections off the recording media than are film cameras.
Precision Optics
This lens features 22 elements in 16 groups for low distortion, high corner-to-corner resolution throughout the entire zoom range. As with all EF lenses, aperture is controlled with an EMD (electromagnetic diaphragm) for fast, quiet, highly precise control and incorporates a circular aperture diaphragm for beautifully pleasing background blur, from full aperture to two stops down.
The use of 3 Ultra-low Dispersion (UD) glass elements effectively curtails the residual chromatic aberrations that can plague lesser quality long lenses, while aspherical elements correct various kinds of aberration that occur during zooming to give the lens the unsurpassed clarity and resolving power that are the hallmark of professional L-series lenses.
Environmental protection
The EF 28-300mm f/3.5-5.6L IS USM features a rugged dust-proof and drip-proof construction, designed for professional photographers working in harsh environments under a wide range of operating temperatures and humidities.
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