I believe I got mine in 2006 or 2007 and it has never disappointed. The f4 works for most outdoor use and it is a lens you can carry easily compared to the 2.8 with foot. The amazing quality really showed when I used it with my now retired film body, but also shows when my 17-85 is at telephoto and...

Amazing image quality and image stabilization

No weaknesses; Nicking it on price would not be fair because the big white Canon lenses are top tier and it seems like they spare nothing to make them

I have used this lens for about two months now. Focus speed is lightning fast and accurate and the L glass is perfection. It's a little heavy for a walk around lens (I use the 17-85 mm for that) but it is always in my bag. You won't be disappointed.

I bought this lens rather than the f2.8 version because of it's size and weight. If compared to the f2.8 version, this lens is approximately half the weight, and noticably smaller. This lens is a joy to hold and use because it's really light, and yet it produces outstanding pictures.

Very lightweight, built like a tank; Zoom ring and the focus ring are all smooth

Sound of the motor is audible

The Canon EF 70-200mm f/4L IS USM lens captures impressively sharp images and is optically stabilized. It's a good option for shooters who can't afford an f/2.8 zoom.

Optical stabilization system; Fixed aperture through zoom range; Relatively light; Sharp images

Edges soft when zoomed; Adding a tripod collar is expensive

Canon's EF 70-200mm f4.0L IS USM really delivers the goods on both cropped and full-frame bodies. The range may not extend as far as 70-300mm models, but the optical quality is superb and as an 'L' lens, the build quality is also excellent.

Good Product~!

I own this lens which works perfectly. Good thing is that, you will get sharpest image while cropping the aberrant sides and corners of the frame. Image quality is simply awesome. 5 stars for that. !!

I bought this lens as an addition to my 17-40 lens, using it on a Canon 7D I've had to learn to be very careful on what shutter speeds are used to avoid camera shake, even using a tripod. You need to have a very fast shutter speed to remove any hint of camera shake.

When comparing the f/4 variety of this lens to the flagship f/2.8L version, in some ways this Canon f/4 lens is better designed. This is thanks to the zoom ring being slightly wider and easier to use as it has a slightly smaller diameter.

We take a closer look at the Canon EF 70-200mm f/4L IS USM and see if it can compete with its f/2.8 sibling