Sharpest lens on the globe! Don't believe me Go to dxomark and sort by sharpness among all tested lenses, comes first, I just rented one, and am still excited about it, I just think that possible to have cheaper zooms with this quality someday

As I needed to replace some general purpose zoom lenses with those of a more standard telephoto lens, this was just one of several that I purchased to help with my bucket list was full and my cancer finally killed me. I have not regretted the decision nor the high cost.

balanced when mounted on 1dx mk11,even with 2x extender

Durable; Rugged; Sharp Focus; Strong Construction

Incorporating Fluorite elements for improved image quality and reduced chromatic aberration plus a number of advanced coatings to minimize ghosting, flaring, and with a newly developed Fluorine coating that keeps soiling, smears and fingerprints to a minimum, the EF 300mm f/2.8 IS II USM is ready to...

This is the greatest lens of its size. You cannot duplicate the results of this lens with anything less. This lens will spoil you. Crutchfield is the best place to buy this lens. Besides the prohibitive cost you won't ever regret buy this lens.

Everything

Heavy weight and even heavier price tag

I had been told this is one of the best lenses made so I was expecting a lot. It delivered and then some. My first experience with the 300 was at a horse show in which my daughter was competing. The pace of the action in a cluttered arena puts a premium on rapid, precise auto focusing.

Condition was excellent and limited testing seems to agree with other owners appraisals. Though one reads the specs, it is almost a shock to see the actual size and feel the weight.

I was blown away by how many photos were in focus my first time using this lens on a football assignment.

Image quality is amazing; very sharp; autofocus is very fast

Price is steep but worth it

This lens is simply phenomenal. This is my first step into the "big whites" and I am sure will be in my collection for many years to come. Optically, it is practically flawless. The sharpness is out of this world and unlike any other lens I have had the pleasure to use and own (such lenses as the...

Consistent Output; Durable; Easily Interchangeable; Fast / accurate auto-focus; Image quality; Indented Tripod Ring; Is Performance; Nice Bokeh; Rugged; Strong Construction

Cost

Overall, the Canon EF 300mm f/2.8L IS II USM super-telephoto lens amply demonstrates what Canon's current range of DSLR cameras are really capable of!