Justifying a standard

As you know (if you read this blog) I have recently bought a Nikon AF-S DX Nikkor 35mm f/1.8G for my D7100. The original blog is here if you wish have a look. As the post says, I really enjoyed using the 35mm (equivalent of a 50mm on full frame) to such an extent that I am toying with the idea of getting a 50mm for my D800.

I then thought back to the end of my Olympus days, where I was selling off equipment and lenses that I hadn’t really used, and when I decided to only to buy equipment I would actually use when I switched to Nikon. I don’t want hundreds of pounds worth of equipment sitting on the shelves doing nothing. To a certain extent I have that scenario with the Nikon AF-S Nikkor 18-35mm f/3.5-4.5 G which is a fantastically sharp lens, but which I don’t use that much. I don’t want any 50mm I buy for the D800 to remain on the shelf most of the time.

So, I thought is there any way that I can find out what are the most used focal lengths for my photographs? Well, it turns out there is.

Jeffrey Friedl has a data plot plugin available for Lightroom. Once installed you can select a folder which contains the images you wish to analyse and the plugin will construct a chart for the range of focal lengths that have been used on the images.

My chart for 2014 so far is below – click on it to make it larger.


Focal Length Data 2014
Focal Length Data 2014

As you can see from the chart, the vast majority of my images have been taken in the focal length range of 48mm – 52mm a justification for buying a new 50mm f/1.8 G if ever I saw one.

3 thoughts on “Justifying a standard

  1. I did much the same thing, simply by using Lightroom metadata filters. I realized over time that I wasn’t the 50-200mm zoom guy that I thought I was; I was really a 16-50mm prime guy. And that’s narrowing down to 16mm and 35mm over time.


  2. Hi Mitch, thanks for dropping by. It does make me think whether primes might be the way to go, although of course zooms have their place too.I’m really enjoying the speed and versatility of the 50.


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