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f/32!
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f/32!

by Vincent Grafhorst

Gallery: WildlifePosted June 15, 2010261 views16 comments
Can you remember ever having used an aperture this narrow on a wildlife image? Most likely not and of course that has its reasons. Mostly we wish for a smooth OOF BG which can be achieved by using wide apertures and further we often lack the light to stop down and still maintain high enough shutter speeds. Modern day high iso performance cameras however help overcome the latter and thus give us more control over DOF.

When photographing these two Dassie Rats I noticed that an aperture of f/8 or f/11 made the distant hills in the BG too blurred for my liking and hence I tried to stop down much more to render more detail in them.

Whether you like this particular example image or not; my message is to try out unusual small apertures for a change, when the right kind of situation presents itself!

Dassie Rat (Petromus typicus)
Damaraland, Namibia
Camera Model Canon EOS-1D Mark IV
Shutter Speed 1/640 Sec.
Aperture Value f/32.0
ISO Speed 2500
Lens EF100-400mm f/4.5-5.6 L IS USM @ 160mm
HH

Comments

16 comments
Comment posted by John Tobias on June 15, 2010 at 12:37 PM
Very interesting image, not what you think of coming out of Africa. I like the DOF you got, but the dassie rats seem a bit soft. Noise does not seem to be a problem, at least on my monitor. IMHO if you could crop off a bit more on the bottom, so the rock in the LRHC does not show, it gives a great feeling of openness. I really like seeing photos of lesser known creatures, thanks for sharing.
Registered on September 12, 2009, 2120 Posts, 6455 Comments
Comment posted by Darren Colello on June 15, 2010 at 3:07 PM
EXCEPTIONAL work here Vincent. I would have to say I enjoy everything about this image. The highlighting of a lesser known species, the great detail and colours and this image wonderfully shows these mammals in their beautiful natural habitat. To me, images such as these really draw the viewer in and hopefully create an interest in the vast diversity of species.
Well done. :toast:
Registered on July 27, 2009, 175 Posts, 1100 Comments
Comment posted by Kurt Bowman on June 15, 2010 at 10:06 PM
Very cool idea Vincent. I actually like the results for this image. It reminds me a bit of being a kid and looking at an image on a View-Master and the 3D effect they gave. nice to see a few different types of images right off the bat between you and Onno. both of you thinking outside of the box. Always cool to see.
Registered on June 19, 2008, 1005 Posts, 8028 Comments
Comment posted by Lon Sharp on June 15, 2010 at 10:09 PM
Nice comp with good eye catchlights. Your attempt to control background was successful, IMO.
Registered on December 9, 2007, 258 Posts, 9892 Comments
Comment posted by John Kerr on June 15, 2010 at 11:06 PM
I enjoy fauna photographs but never find myself commenting on them. This photo caught my attention right away when I saw the thumbnail photo because of the BG. IMO your choice of the narrow aperture to bring out the element of the BG makes this a wonderful photograph. Great job, just look at those specs, HH @ F/32 with an ISO of 2500. Digital photograph as brought us a long ways in the past decade. :toast:
Registered on October 28, 2009, 111 Posts, 1070 Comments
Comment posted by Sandipan Dutta on June 16, 2010 at 12:55 AM
Like the perspective here Vincent and the way this image is showing the habitat..great to see high ISO performance of MK IV...the subject looks soft...may take a bit more sharpening IMO... :toast:
Registered on March 9, 2009, 171 Posts, 493 Comments
Comment posted by Guy Runco on June 16, 2010 at 3:12 AM
Incredible shot of a species that I've never even heard of before, really excellent work Vincent!

:toast:
Registered on September 9, 2008, 77 Posts, 705 Comments
Comment posted by Brad Hill on June 16, 2010 at 9:16 AM
Hi Vincent,

I find this image very interesting, and not just on the creative side. It's no secret that I like the technical end of photography as much as the creative end, and despite huge gains in ISO performance (and thus enhanced control over our aperture and depth of field), this image points out how gains in one area often present us with another challenge to overcome. In this case the high ISO capabilities of your camera gave you access to apertures you couldn't have thought of using in the recent past. BUT, in choosing that aperture you ran into ANOTHER barrier, and my guess is that diffraction issues raised their head and the result is that the subjects are a little (just a little) soft! So now that we have wonderful ISO performance, we need better lenses (or re-designed sensors that better mitigate diffraction effects)! Will it ever stop?

On the creative side...I definitely like that entire ledge is rendered quite sharply - that works really well for me and highlights how these little rats are up on a rock or cliff. In a perfect world I think I'd prefer the background mountain a little softer, simply to make the subjects stand out a little more (on the "standard" image size they don't pop out quite enough for my taste). I wasn't there, so I'm not sure there would have been any aperture available where you could have kept the foreground (the full ledge) sharp but thrown the distant background a little more out-of-focus (my guess is that it wouldn't be possible). So I guess we need that new "vari-aperture" function where we specify different apertures for different portions of the image and let the on-board computer in the camera produce the composite image! :wink:

Cheers...very interesting image and topic - thanks for bringing it up...

Brad
Registered on May 29, 2007, 431 Posts, 6061 Comments
Comment posted by Vincent Grafhorst on June 16, 2010 at 11:37 AM
I was expecting you to bring up the diffraction issue Brad! :wink: And yes of course diffraction occurs and has an effect. I kept also a frame at f/16 which is (not surprisingly) sharper than the one at f/32 at a similar SS. However, the image is still sharp enough to be usable. Can't wait for break through developments in lens technology though! :smile:
Registered on February 24, 2006, 504 Posts, 7203 Comments
Comment posted by Satie Sharma on June 16, 2010 at 2:57 PM
Wonderful shot, Vincent. I love the depth that the small aperture has given this image. Nice work. :toast:
Registered on November 11, 2003, 189 Posts, 5335 Comments
Comment posted by Marco Poggioni on June 16, 2010 at 5:58 PM
I think this image, like most of your photographs, is not only a beautiful and a non conventional shot of animals (in this case even the species is not common): it is also a little lesson of "school of photography", and it provides inspiration and food for thought for nature photographers.
Thank you

Marco
Registered on August 6, 2009, 15 Posts, 38 Comments
Comment posted by Peter Conway on June 16, 2010 at 10:26 PM
Thank you Vincent for a thought provoking image and post. I must admit that I haven't had the nerve to set the ISO that high in real life situations but I'm getting more convinced that it really is workable. :smile:

Peter
Registered on June 25, 2007, 347 Posts, 3913 Comments
Comment posted by Lee Daniels on June 18, 2010 at 7:29 PM
I keep coming back to this shot. And back and back. Hence, the very late comment.
This may be the very first photograph that I've viewed here that absolutely needs to be viewed larger, full size. At that aspect, it answered every question I had about the merit of the shot and why it was cropped/framed as it was.
As a proponent and practitioner of deep DOF, it naturally appealed.
The composition that emphasized the rats was great and expected.
The depth that brought in the distant mountains and context, absolutely wonderful and added an environmental energy that would have been lost with "proper and standard" blur.
What bothers me: the continuation of the OOF shelf of rock at bottom right - in front of the green. Two choices. If the green were not there, I would not have noticed. If the brown section were there, I would not have noticed.
It cannot be cropped because that incredible piece of luminous shale under the rats reflects back up and is also a focus. Clone? Dull down? Crop (shudder)?
Also,noise. The noise in the BG is very bothersome. I could deal with then oise in the distant mountains, but not the noisy,sooty sky. So simple.

What brings me back and would have me publish this?
The tones and composition. Simply, the tones are exquisite.
The slight slash of dull red/orange/warmth just beyond the foreground ledge in the BG mountains, echoed in the wedge of red/orange/warmth just behind the first rat, which is furter echoed and sprayed from nose to eyes in the rats and then drips down in the shale pieces beneath them.

For me? Brilliant. Just Brilliant.

Registered on December 31, 2003, 115 Posts, 1657 Comments
Comment posted by Robbie Knight on June 18, 2010 at 10:33 PM
I have enjoyed looking over the technical comments and have definitely been taken to school with all the great input. I especially like how these two critters are perched on the edge of what looks to be a steep cliff. I like how this photo makes me feel like I need to hold on or I might fall off the edge of the mountain. What an amazing feeling the depth of field creates– This is a great thought provoking shot ! Well done… :wavey:
Registered on April 10, 2010, 30 Posts, 135 Comments
Comment posted by Marsel van Oosten on June 21, 2010 at 11:32 AM
It's all been said, so I'll just say: hope you enjoyed Namibia, looking forward to seeing more!
Registered on March 9, 2004, 285 Posts, 2277 Comments
Comment posted by Stephen on June 22, 2010 at 11:48 PM
Your experiment turned out extremely well...Beautiful setting and handsome subjects.
Registered on November 11, 2007, 42 Posts, 803 Comments