The longer the focal length, the narrower the depth of field at any particular aperture.ĭepending on the gear, the aperture may change as you adjust the focal length. The shorter the focal length, the broader the depth of field regardless of the aperture. Notice the increased quality of the bokeh in the image taken at a longer focal length.Įvery lens has a focal length which relates to how zoomed in your photos are. Here is an example of two images, one taken using a Sigma Art 50mm lens, and one taken with a Canon 135L. Longer lenses, or telephoto lenses, are excellent for producing a very shallow depth of field and creating a lot of compression in the background. The focal length of a lens plays a large role in the amount of background blur your image will have.
Zoom blur backgrounds how to#
Did you know that you do NOT have to shoot wide open to get amazing bokeh?!? Even a kit lens can blur the background if you know how to use it well! Here are three tricks that you can implement into your photography today to get this background in your photos, without having to shoot wide open! Use a Longer Lens Most of the conversation around good background blur in an image revolves around shooting at a wide aperture, but there are times when shooting wide open just isn’t practical. Especially if you’re new to photography, you may be wondering how to get a blurred background in your photos. Who doesn’t love it? It’s that creamy background that really separates your subject and helps them jump off an image to catch your eye. We chatted recently about how to master shooting wide open, and I wanted to follow up that post with more discussion on achieving a nice blurred background, or bokeh, in your photos.
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