Thursday, December 30, 2010

Travel Photo Tips: What is ISO, and how does it affect my pictures?

Filed under: Learning, Photos, Through the Gadling Lens


ISO. Three little letters which stand for International Organization for Standardization (not exactly thrilling) and make a monumental difference in the outcome of images, particularly in low-light scenarios. It's one of the most prominently featured specifications of any modern digital camera, and it's one single aspect that can make a night-and-day difference in the outcome of your shots. If you're on the road, on vacation or just galavanting about with your new camera, there are a few key pointers you need to know about how ISO works, and how it can affect the snapshots your take. We'll spare you the behind-the-scenes, science-y explanation on ISO though and get right to the heart of the matter.


While film and photography purists may balk at the assumption, the average photographer really only needs to know a couple of things about ISO -- particularly the novice who simply needs their vacation photos to look at least somewhat like how they remember the scene looking.

FIn general, if a camera has a wide ISO range then it can capture faster moving action in low-light settings. Also, higher ISO ranges enable handheld shots to be taken further into the evening (and without blur). The gallery below highlights every single ISO stop between 200 and 104,200 on a Nikon D3s. Few cameras will offer an ISO range similar to this, but walking through it shot-by-shot gives you a great view of how a boosted ISO alters the outcome of a shot. Pictures are worth a thousand words, as they say. All of the other settings were kept constant for these shots (Shutter Speed: 1/8 of a second; f/5.0; 50mm focal length, no flash fired; auto white balance; tripod-mounted shot). Click the 'Read More' link here for a deeper dive into ISO, along with loads of pointers on how and when to tweak the value when shooting.

Gallery: ISO comparison gallery: 200 through 102,400Continue reading Travel Photo Tips: What is ISO, and how does it affect my pictures?Travel Photo Tips: What is ISO, and how does it affect my pictures? originally appeared on Gadling on Thu, 30 Dec 2010 10:00:00 EST. Please see our terms for use of feeds.Permalink | Email this | Comments



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