danmitchell Offline Image Upload: Off
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p.4 #6 · Best Wide Angle for Landscapes | |
No, haven't tried the 16-35 f/2.8 - but I've pored over a lot of tests and reportso f that lens and I've shot the 17-40 extensively and tested in extensively as well.
I hear stories of some copies of the lens that are supposedly not so sharp, and since I only have my copy to go by there's not too much I can say about that. Mine is very sharp - in the center is is one of the sharpest lenses I own. Here are a couple links to some test shots:
1. http://www.gdanmitchell.com/2008/01/21/corner-sharpness-of-the-canon-17-40mm-f4-l-lens-on-full-frame
2. http://www.gdanmitchell.com/2007/09/23/canon-ef-17-40mm-f4-l-testing-a-claim-about-sharpness
3. http://www.gdanmitchell.com/2006/01/28/canon-17-40mm-f4-l-sharpness
The first two examples where done on a FF 5D and the third on an 8MP crops sensor body. (Note that in the first example the corner section was from a portion of the subject that was only a few feet away from the camera, as the frame was shot at 17mm.)
If you shoot FF and at small apertures the 17-40 is very sharp. Mine compares very will in the center with my other L lenses and my 50mm f/1.4 stopped down. The corners are soft at large apertures, so it is not great for getting corner to corner sharpness at large apertures - but that is generally not the issue in landscape photography. (I recognize that there are exceptions.)
In prints the image quality when I shoot at f/11 or f/16 on FF is excellent across the frame. Yes it is better in the center and there is some (correctible) CA in the far corners if you pixel peep at 100%, but in prints these issues are inconsequential. (100% crops from the 5D at my screen resolution represent prints approximately 5 feet wide. If you have viewed many prints of this size close up, you have a realistic idea of what to expect - and you'll recognize the sharpness in my examples as quite good.)
When is the 17-40 not a "better" choice? If you plan to shoot a lot of very low light hand held UWA (on FF) or WA (on crop) images - that sort of photography really plays to the obvious strengths of the 16-35mm f/2.8.
But if you primary use for such a lens is landscape and your notion of landscape photography does not generally include shooting a UWA lens wide open, there is little if anything to recommend the 16-35 over the 17-40 for that purpose.
I'll stand by all of the points I made in reference to this specific type of usage.
Take care,
Dan
PKuglin wrote:
danmitchell wrote:
However, it if you are mainly getting a landscape lens and you get a 16-35mm f/2.8 with this purpose in mind you are paying a lot more for features that will likely be of no value in your landscape work.
---SNIP--
In this context the 17-40 could be said to have some specific advantages over the 16-35, though I'll stipulate ahead of time that the actual value of some of them might be limited. Some landscape photography advantages of the 17-40:
1. Smaller and lighter (not insignificant to some of us who do this work on foot, and sometimes on long backcountry trips.)
2. Less expensive.
3. Slightly (though certainly marginally) sharper at least in the center.
4. Wider focal length range.
5. Works as well into the corners when stopped down for typical landscape use.
Again, this is aimed back at the OP who asked specifically about landscape use.
Dan, I have to disagree with you. Have you tried all these lens and made up you own mind from 1st hand knowledge? I have. I have owned 2 copies of the 17-40, a copy of the 16-35 MKI (and used a friend's copy), a CZ21 (still have it and it's the best IQ) a OM18 (great lens and very small), and a new 16-35 MKII. Of all the ones I tested the 17-40's were the worst IQ - sorry, but that was my findings especially in the corners. However, for the cost they were very good and if the OP asked for the "BEST VALUE" that would be the answer.
The OP didn't ask for that he asked for the "BEST". In my book it's the 16-35MKII. the CZ21/OM18 are primes and as such are limited in versatility. The 16-35MKII range is great, but I typically only use it 16-24mm as I use a 24-70 above that. Don't under value the F2.8. Having a bright viewfinder in low light situations is very important in landscape work. I shoot in low light a lot during twilight and the extra stop is very important to compose and manually focus. AF is of less importance in landscape work. To say the 16-35MKII adds no value is simply incorrect. Landscape shooter's buy F2.8 simply for that reason.
I my book the 16-35 MKII is the best - it has the most points going or it.
Edited on Mar 30, 2008 at 03:43 AM
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