f/32!
by Vincent Grafhorst
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 commentsWell done.
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!
Cheers...very interesting image and topic - thanks for bringing it up...
Brad
Thank you
Marco
Peter
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.