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Figure 16.6 High ISO settings are generally used to capture photographs in low light situations but care should be taken when using high values as they can produce photos with noticeably more noise than the same picture taken with a lower ISO setting.

Where you are provided with a choice of ISO settings use the following guide to help you select which value to use for specific shooting

ISO equivalence

Where you are provided with a choice of ISO settings use the following guide to help you select which value to use for specific shooting

100/200 ISO - Low ISO settings provide the best overall image quality with good detail and gradation of color and very little, if any, noise. Be careful of camera shake or subject movement when shooting with these settings as they often require you to use comparatively slow shutter speeds. Use these settings when there is plenty of light or when you have a tripod available to hold the camera steady.

400 ISO - Values around 400 ISO often provide a good balance between noise and sensitivity when shooting with overcast or winter light or even indoors. With most modern cameras the level of noise introduced at this setting is still acceptable and the overall color and detail are also of a high standard.

800/1600 ISO - Generally the highest ISO values available on your camera will enable you to photograph in very low light or with extremely fast shutter speeds but this flexibility comes at a price. Though much improved in recent years the performance of all but the most expensive sensors at these ISO values is such that the noise is very apparent and degrades both the detail and the color gradation of the photos. You should only use these settings when not employing them will mean missing the photograph. A far better alternative is to use faster lenses (ones with a large maximum apertures such as f1.4 or f2.0) coupled with a tripod in low light situations.

Digital Camera and Digital Photography

Digital Camera and Digital Photography

Compared to film cameras, digital cameras are easy to use, fun and extremely versatile. Every day there’s more features being designed. Whether you have the cheapest model or a high end model, digital cameras can do an endless number of things. Let’s look at how to get the most out of your digital camera.

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