Birds, Bridge Cables – San Francisco. San Francisco, California. September 18, 2007. © Copyright G Dan Mitchell.
I was already set up to shoot photographs of the Golden Gate (in this wonderful, luminous, hazy morning light) when I spotted this flock of seabirds flying across the Bay.
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Lower Young Lake Shoreline, Dusk. Yosemite National Park, California. September 10, 2007. © Copyright G Dan Mitchell.
I spent several days in the Young Lakes area of the Yosemite Sierra Nevada back-country on a solo pack trip late last year. Although Young Lakes are very popular during the summer season and can be reached by a one-day roundtrip hike, this I was alone at the lake on a quiet evening following an afternoon of rainy weather.
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These are things that everyone knows about picking the right equipment for the subject, right?
Use wide angle lenses to shoot landscapes. When people ask what lens to get, I always ask them what they’ll be shooting. If they say landscape I generally recommend something wide rather than something long. Here’s an example of use of a very wide angle lens on a landscape shot:
First Light, Banner Peak and Thousand Island Lake
Use long lenses to shoot sports. Everyone notices all of the Really Big Lenses at sporting events. I sure saw plenty of them at this week’s Amgen Tour of California bike race. Heck, I even used one myself to get shots like this one:
Riding to the Starting Line, Prolog Time Trial, 2008 Tour of California
But wait a minute…
Sometimes the “common wisdom” can be exactly wrong, or at least it is possible to get interesting results by doing the opposite of the obvious thing. How about a landscape shot with a very long lens:
Big Sur Fisherman, Winter Surf
And here is another bicycle racing shot, done with an ultra wide lens. (That’s Mario Cipollini banking into this turn, for the cycling fans out there.)
The Peloton Enters San Jose – 2008 Amgen Tour of California
I’ll share one bit of technical information here. All four shots were made with two lenses. Both of the wide angle shots – landscape and cycling – were done with a 17-40mm zoom at the wide angle end. Both of the telephoto shots were done with a 100-400mm telephoto at the long end.
Just to tweak another assumption about “the right equipment,” both bicycle racing shots were done with a Canon 5D – and everyone knows that the 5D is only useful for landscapes and that you can’t shoot action subjects with it. ;-)
Since the question of how the Canon EF 17-40 f/4 L performs across the frame for landscape photography comes up periodically, I have posted an older test photo I made last year (2007) – updated here to include a comparison corner and center sharpness.
Technical data: Canon 5D. Canon EF 17-40mm f/4 L lens. Focal length: 17mm. Aperture: f/16. Shutter speed: 1/60 second. Shot on the tripod with MLU and remote release. If the full image were reproduced at this resolution the print would be about five feet wide. (Not that I’d do that – it is a really boring photograph! :-) In a more typical size print the corners would like very good, indeed.
A 100% crop would not be expected to be “razor sharp” – and we see typical results here. It is impressive to see how well the corner image quality holds up – despite the fact that grass is one of the most challenging subjects for a digital sensor and the fact that this part of the scene was much closer to the camera than the focus point in the center of the scene – i.e. the corner section showing the grass is only a few feet from the camera, and the camera is focused hundreds of feet away on the objects in the center of the frame. (On that subject, I’m convinced that a good number of the reports of “poor corner performance” in ultra wide lenses are actually due to the subjects in the corner being much closer to the camera position than the subjects in the center of the frame, especially when the “tests” are done by shooting actual landscape subjects.)
BOTTOM LINE: What does this tell us, how do we view this in the context of reports of soft corners on the EF 17-40mm f/4 lens, and what does this mean for anyone trying to choose a wide (or ultra-wide in the case of full-frame cameras) Canon zoom lens?
While this lens is soft in the corners when shot wide open, the lens is not particularly soft in the corners when stopped down. If your primary use for such a lens is, for example, shooting very low light handheld wide angle photographs the 17-40 is perhaps not your best choice. (The EF 16-35mm f/2.8 on full frame or the EFS 17-55mm f/2.8 IS on a cropped sensor body could be more appropriate zooms.) On the other hand, if you are primarily interested in subjects that are usually shot at smaller apertures (urban/wild landscapes, architecture, etc.) then the 17-40 can be an outstanding lens – though this is more true on a full frame body than on a crop body, given that you are unlikely to use the smaller apertures on a crop sensor body given the diffraction blur issues there. So, to state it very succinctly…
… the Canon EF 17-40mm f/4 lens is an excellent lens for shooting deep DOF small-aperture photography on a full-frame camera. (It is OK but not necessarily ideal for use with cropped sensor bodies, where I would prefer the EFS 17-55mm f/2.8 IS.)
G Dan Mitchell is a California photographer whose subjects include the Pacific coast, redwood forests, central California oak/grasslands, the Sierra Nevada, California deserts, urban landscapes, night photography, and more.
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Text, photographs, and other media are © Copyright G Dan Mitchell (or others when indicated) and are not in the public domain and may not be used on websites, blogs, or in other media without advance permission from G Dan Mitchell.