Reviews and Problems with Canon EF 70-300mm f/4.5-5.6 DO IS USM
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Good Lens. Canon's Jack Of All Trades
15 August 2013
Summary: This Canon Lens is a very nice lens with its Major Benefit Being its small form factor and over all Good Performance As well as above average Build Quality This lens is The Jack Of All Trades Because it does everything Really Good But its Not outstanding at any one feature except size and that is what Makes it a unique and desired lens Image Quality is Good But not Noticeable above the Canon 70-300mm f4.5-5.6(IS)that is less then $400 and the image quality is actually...
Conclusion: I really wanted to love this lens - small form factor, cool diffractive optics tech, and decent IS - but in the end the image quality just wasn't there. Sharpness and contrast on the long end of the range was routinely disappointing on my 7D. I have high hopes for the 70-300 L IS USM I just purchased to replace the DO lens.
Summary: This lens has several features that make it different: 1. It is small and sufficiently lightweight to be carried wherever you go. It is not going to make you tired or rub your neck. Compare it with the other L lenses. Would you carry with you in the high mountains a 100-300 mm L lens weighting 3-4 times more than the camera itself? The reality is: this DO lens has the maximum weight you could still carry attached to your camera.
Conclusion: If you really need a small and lightweight lens, this is probably the best one you'll find. The rapid focus, small size, and solid IS is nothing short of amazing. I've successfully taken some pictures handheld at night and bumping around in crowds. On the downside, the images are hazy. A large diameter unsharp-mask and black level adjustment are needed in post processing, which about doubles the noise level.
Great small & light lens. Good on the go. Could be a bit faster for perfect
8 June 2012
Summary: Canon 40D is the only camera I have and I used it with this lens. Here is how it performed for me: Pros: Light and small for the focal length. Well built. IS,USM. Fast AF. Cons: Slow, for sharp images need to step down 1-2 stops winch make it even slower. Not weather sealed. Not compatible with extenders. The lens can produce sharp images, but you need to step down a step or 2 and increase ISO even when shooting outside.
Conclusion: I bought this lens a couple of years ago and have used it significantly while traveling. It is a nice lens, relatively light for the range and convenient in size. Pictures lack the sharpness that i was expecting from an expensive lens. in my case I don't think the convenience in size compensates for the average quality of the images in the far end of the range.
Canon EF 70-300mm f/4.5-5.6 DO IS USM review by MartinM
10 April 2012
Summary: I have purchased this lens to have something small and portable with me on my business travels. The IQ of this lens is really good on my 5D Mark II. I see some softness wide open at 300mm. But this can be avoided by raising a bit the ISO, which on a 5D2 is zero problem. The lens is fast focusing and it has FTM. Ring-Type USM! It is build very solid and gives a very good feeling. Like holding an L-Lens. The lens extends/retracts by itself due to the weight of the tubus.
Pros: Lightweight, Size, Build Quality, AF Speed, FTM, Zoom Lock