Reviews and Problems with Canon EF 70-300mm f/4.5-5.6 DO IS USM
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Good compact design, useful range
Square Shot, B&H Photo
6 January 2015
Excerpt: Does exactly as it was intended. It's not as sharp as my L Series lens, but they are not telephoto zooms. I think it's perfectly acceptable on my Canon 5D II and 1Ds Mark II. The barrel does extend itself and can be annoying if I forget the set the lock when walking and hiking around (guess that's...
Excerpt: 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.
Excerpt: I really like this lens. I bought a used copy of early this year, and I've enjoyed using it on my 60D. The color and resolution are very good. Granted it's not as sharp as the Canon 17-55 IS f/2.8 that I bought here on B&H (that is my favorite lens - I recommend it without reservation), but it's...
Excerpt: This lens is very good wide open to 250mm. At 300mm f8 is best. The construction is solid and focus is fast. I've been using this lens for travel for over a year and have been to some rugged dirty places and have been very pleased with how it's held up and the photos made with it.
Pros: Consistent Output, Easily Interchangeable, Small
Excerpt: Not the sharpest long zoom, but still pretty good. USM focus works well, as expected. If you are traveling with limited space and weight, this is a very good long zoom travel lens option. Keep the lens hood with you.
Pros: Durable, Fast / accurate auto-focus, Lightweight
Summary: I've had great times with this one photographing nature and wildlife. Make sure the light is good-ish and you will get some nice pics. Sweet spot seems to be f/8 but as always, your mileage may vary. I will be trying auto racing soon, so we'll see how it performs.
Pros: Long focal length, F-stop that matches the new L-series lens without the added cost. Build quality is much better than the cheaper 300mm zooms on offer, plus this one has IS, which is great at the longer range when light is less than optimal (seemingly all the freakin time).
Cons: The IS motor is loud to me. The focus seems to hunt more than the 18-135mm stock lens on the 60D. The front element rotates with focus. All of these contributed to the 1-egg-off. Images are not nearly as crisp as the 70-300mm f/4-5.6L lens, BUT at roughly 1/3 the cost, this is forgivable to say t...
Summary: First, this lens IS NOT A RING TYPE focus motor (like it currently says on neweggs main page for this lens, hopefully they fix it) This is a pretty sharp lens up to around 200mm above that, the closer you are to 300mm you will need to stop down the aperture a little bit to get the most sharpness (if...
Pros: Pretty good value for the money. Descent contrast and color. Poor mans "L" lens? :)
Cons: This lens is getting on in years and is past time for an update. The IS does make a bit of a noise. Focus is not as fast as a ring type motor lens.