Excerpt: For people who are deciding between the 1.8D and this 1.4D, I say get this one if budget is not an issue. Besides the extra fraction of a stop, which can make a difference in bokeh softness (not really much in low-light shooting ability, since 1.8 is real), you will also get a more consistent manual focus ring that doesn't jitter or move unexpectedly-as compared to the cheaper 1.8d build.
Pros: Fast / accurate auto-focus, Lightweight, Nice Bokeh, Strong Construction
Excerpt: Light, Compact, Fast apature, reasonably priced, And very sharp. Focus is very fast on a d800. Awesome 14 point sunstars that you can't get from rounded aperture blades (or any canon lens). The people at DXO think this lens is better than the g version (if that means anything to you).
Excerpt: Great lens for indoor pictures and in any light condition. I use a lot for casual portraits. It is the lens that I use most of the time.The only bad thing is the autofocus a little slow, but if you like to use manual focus like me is the prefect lens. Worth any dollar I paid for it.
Excerpt: Writing a review on a lens like this almost seems like writing a review on the Golden Gate Bridge - doesn't everyone know about it? Apparently not. Amongst many of my more serious photography friends, none own this lens. They covet the same ones I want (and now have - like a 24-70 or 70-200 f2.8) Truth be told, those are the lenses I saved for first - and then I bought this. I got it today and have been playing with it all night. It is small light and feels sturdy.
Pros: Easily Interchangeable, Fast / accurate auto-focus, Lightweight, Nice Bokeh, Rugged, Strong Construction