December 2009
Beginner to intermediate
272 pages
6h 45m
English
Content preview from Nikon® D3000: Digital Field Guide
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Chapter 4. Essential Photography Concepts
This chapter may contain some photography concepts that are very familiar to some users of this camera and completely new to those who may be new to dSLRs or to photography in general. Even if you're an advanced user, you may find some important information on evaluating your exposure, using histograms, and adjusting your exposure using the exposure compensation and bracketing features of the Nikon D3000. This chapter covers information on exposure, the effects aperture has on depth of field, how the shutter speed is used to create different effects, and how ISO can affect both your aperture and shutter speed settings.
Understanding photographic concepts like how aperture and distance relate to depth of field allows you to add creative elements to your images.
Understanding Exposure
Exposure is the most important aspect of photography. If you don't understand how exposure is calculated you're going to have problems understanding how your camera chooses the settings when using one of the semiautomatic modes like Shutter Priority or Aperture Priority. This can hinder your ability to achieve a specific effect in your image.
By definition, exposure as it relates to digital photography is the total amount of light collected by the camera's sensor during a single shutter cycle. A shutter cycle occurs when the Shutter Release button is pressed, the shutter ...
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