The Canon EF 75-300mm f/4-5.6 III Lens is nearly the same as the Canon EF 75-300mm f/4-5.6 III USM Lens with the latter having a better AF system and the former a better price.

Canon 75-300mm USM III review.

In summary the main positive points of the Canon 75-300mm USM III are; Autofocus is quiet and fairly responsive; Light weight and easy handling; Distortions well controlled; Price

Negative points are; Sharpness falls off towards the long end; Rotating front element; Narrow focus ring (Minor point

When looking for a quality lense for a name brand camera, as a hobby photographer, everything usually breaks down into two groups: Lenses intended for professional or career photographers that cost more than you are willing to pay. Specialty lenses that have a more limited use but fit your budget.

Fairly low light; retains all automatic functions

Large and moderately heavy

For the price, I doubt there's a better lens on the market. Coupled with my Canon EOS film body, this rig does a fantastic job. I shot quite a few rolls of my daughter playing lacrosse at 300mm and was very impressed with the stop-action ability of this fast lens, along with very decent depth of...

After taking a wide varity of pictures using this lens, I am very impressed with the quality of the images. Excellent sharpness throughout the image. The autofocus is fast and quiet, adjusting the zoom is easy. I am very pleased with this lens.

Thanks Meijer!

Consistent Output; Easily Interchangeable; Fast / accurate auto-focus; Lightweight

This lens is like the 50mm 1.8--you need to have it in your case now and perhaps forever—until you have a lot more money, these are the lenses you're going to use all the time. The kit lens also falls into this category.

Inexpensive; Necessary; Useful

Blurry Focus; Poor in Low Light; Slow Focus

I USE THIS LENSE AT MY NEPHEWS BASEBALL GAMES IT TAKES VERY CLEAR PICTURES YOU CAN SEE THE SEEMS OF THE BASEBALL I CAN'T WAIT TO GET TO YOSEMITE

Easily Interchangeable; Fast / accurate auto-focus; Strong Construction

The bottom-line is that this lens captures wonderfully sharp images and for the price you pay that represents good value. Juggling the various options of shutter-speed, ISO, hand-held or tripod with the available aperture to get the exposure right is no harder with this lens than with many other...

Consistent Output; Easily Interchangeable; Lightweight

Weak Casing

I picked this lens up for its range. I use it on a T2i. I'm more of a wide-angle guy so I just wanted this lens for when the urge struck me to take pictures of birds and far away things.

cheap; light; long

soft and CA at wide apertures

I picked this lens up for its range. I use it on a T2i. I'm more of a wide-angle guy so I just wanted this lens for when the urge struck me to take pictures of birds and far away things.

cheap; light; long

soft and CA at wide apertures