Photography podcast #74 is all about the hyperfocal distance and how to use it in landscape photography. In a nutshell, hyperfocal distance is the distance you focus at to get greater depth of field when focusing on an object in the distance. In this podcast we define what hyperfocal distance is and how to use it for both traditional (film) photography and in digital photography with new DSLRs and lenses.‚ We also talk about when not to use the hyperfocal distance in landscape photography.
Hyperfocal distance chart from dofmaster.com — used by permission; thanks Don Fleming!‚ This beautiful application from the dofmaster.com site clearly shows that by focusing at the hyperfocal distance you gain over 4 feet of sharpness toward the foreground when you use a 5omm lens at F-16 and focus at 27.1 feet instead of‚ where the object actually is at 50 feet.. Try this test for yourself; shoot 1 shot the regular way and 1 shot using the hyperfocal distance. This application already lists the most common digital cameras and takes their crop factors into account.
Left image shot normally while right image was shot at the hyperfocal distance. Even at this small size you can see that the right shot shows a bit more sharpness in the midground while the background looks similar in both shots. The effects are more noticeable when you print at larger sizes.
Links /resources mentioned in this podcast:
Dofmaster’s awesome depth of field calculator that also calculates hyperfocal distance
Dofmaster’s depth of field calculator for free use with an iphone (need to connect to the Net — use this URL from an IPhone ONLY — NOT from your computer)
Dofmaster’s simulated depth of field calculator for free use with an Non-iphones (need to connect to the Net)
Dofmaster’s Itunes depth of field calculator App for $1.99 (No Internet connection required)
November’s ‘landscapes in portrait orientation’‚assignment on the Photography.ca forum
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Thanks to Kat, Glenn Euloth (Iguanasan), Bambi and Alex Maxim who posted a blog comment about our last podcast. Thanks as always to everyone that sent comments by email about our last podcast. Although ALL comments are appreciated, commenting directly in this blog is preferred. Thanks as well to all the new members of the bulletin board.
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