People & Place

Rob Townsend's OCA Learning Log

Exercise: Standard focal length

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Brief

As in the previous two exercises, concentrate on shooting with one focal length. In this case, if you have a full-frame camera the focal length should be between 40 mm and 50 mm. If your camera uses the more common, smaller sensor size, it will be in the region of 27 mm to 32 mm.

Results

I took most of these at 27 mm on a 1.5x crop factor sensor, so the equivalent focal length is almost exactly 40 mm (the first image, of the benches, was at 35 mm crop sensor so 52.5 mm EFL).

 

After the last two exercises, at the extremes of long and wide focal lengths, I found this much more satisfying. The fact that the standard focal length approximates the human eye is what makes this kind of image work in my opinion – one of the defining characteristics of good ‘street photography’ is that it closely resembles real-life, without unnecessary distortion. It adds an extra layer of veracity that aids the feeling of ‘being there’. It feels more like photojournalism than creativity – taking more than making photographs.

From a personal point of view I found it much more comfortable: I neither felt like a stalker (as in the long lens shots) nor that I was unnecessarily intruding in people’s personal space (as in the wide-angle shots). As noted in an earlier exercise, one of the things that I think makes this kind of focal length ‘fairer’ is that the subject has a fighting chance of knowing that you’re there, and could object if they wanted to – it seems like a fair exchange, if that makes any sense.

What I’ve learned

Through these last three exercises I’ve come to better understand why most street photography tends to use the focal lengths that it does – namely the middle-ground, near-human-eye equivalents between 35 mm and 50 mm (full-frame equivalent). There are exceptions, of course, but these are stylistic choices that certain photographers make, and it gives their work a distinctive feel that in some cases distances their images somewhat from a true reality. If I’m going to do much more of this kind of photography in future, I believe I will do so with my 27 mm (40 mm EFL) and my 35 mm (52.5 mm EFL) lenses.

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