Nikon's 12-24mm has a constant maximum aperture of f/4 through the entire zoom range, stopping down to f/22. On a Nikon D-SLR with a 1.5x focal length multiplication, it has a 35mm equivalent of 18-36mm, offering plenty of wide-angle coverage.

This is a fantastic lens. Not quite as wide as the 10-24mm but has less distortion and better quality lens. The lens is recognized by Lightroom (I have version 3) so it has an automatic setting to adjust the distortion in post processing, where as the 10-24mm did not.

The one lens that's been missing in my camera bag until now has been a good wide-angle. This is not merely a "good" wide angle; it is no less than a game changing lens, simply superlative in sharpness, color rendition, contrast and distortion control. Buy it!

Yes, I would recommend this to a friend

Consistent Output; Durable; Easily Interchangeable; Easy To Clean; Rugged; Sharp Focus; Strong Construction

Heavy

I purchased this lens used and had problems with really unsharp corners. I did some testing and determined the lens was de-centered. Sent it in to Nikon for repair and it came back better, but I still think the corners are soft at the wide end, even when well stopped down.

Very good resistance to flare; great color and contrast; sharp everywhere at long end and in center at short end

Corners at short end are soft; doesn't focus nearly close enough

The best ￡[$] pounds I ever spent the lens is now 4 years old,and still looks like new after many adventures.Nikon have updated this unit with a f2.8.but I will not be tempted, at f4 it has given and given and now our bond is tight.

Consistent Output; Durable; Easily Interchangeable; Lightweight; Quick Focus; Rugged; Sharp Focus; Strong Construction

The lens is a must if you use a Nikon DX camera as Nikon make no wide angle prime DX lenses, i've owned the 10.5 fisheye but its very hard to take a decent picture as the lens bends any straight lines,(which it is designed to do). The 12-24 used on my old D80 and now my D2x gives excellent results.

I love landscape photography and this lens is one of the best tools to assist you with taking breath-taking shots that are sharp and beautiful with magnificent distance and depth. This is one of the best tools available to get real wide angle and depth if you are using an DSLR camera.

Bought it used from Adorama with a Tiffen UV filter for around $Au699 (including shipping to Australia). It was a toss-up between the Nikon 12-24 and 10-24 (and the Tokina 11-16) but ended up going with the 12-24 after lots and lots of web research.

Durable; Easily Interchangeable; Fast / accurate auto-focus; Rugged; Strong Construction; Versatile

Heavy

"Low distortion (for a wide), sharp as a tac, f/2.8 and excellent build quality. So many good things to say about this lens. Spends a lot of walk around time on my D90 because it's a joy to shoot with. Ken is right."