depth-of-field

Depth-of-Field Basics

Join Kelly Mena, of B&H Photo, as she explains the basic principles of depth of field in photography. Mena defines depth of field and explains the distinction between its deep and shallow variations—the former rendering everything from subject to background in sharp focus, the latter rendering the subject in sharp focus and the background soft and out of focus.

DSLR Lens Primer, Part 1

Welcome to Part 1 of a three-part series that lays out the basics of lenses for novices and those who could use a refresher. In this part of the Lens Primer, Larry Becker, of Kelby Media, explores concepts such as aperture, image stabilization (IS) or vibration reduction (VR), and telephoto zoom lenses versus primes.

Selective Focus: A Tale of Two Formats

There are a number of reasons and advantages for choosing to shoot with wider-aperture lenses. Included are the ability to capture sharp, low-light imagery at slower shutter speeds, quicker autofocus and exposure response times—which in turn reduce shutter lag times—and the option to capture your subject in a narrow, selective band of focus.

Rules of Thumb - Finding Your Lens' 'Sweet Spot'

When defining the term image quality there are several qualifiers that go into the mix. Among them are tonality, contrast, brightness, and dynamic range, which is the degree of detail one can detect in the deepest shadows and brightest highlights. And then you have sharpness, which might be the trickiest to define.

Home Portraiture: A Primer for the Prosumer

An ample home studio can be constructed in spaces as small as 12 x 12 - 20'. Within the confines of this space you can create countless professional-quality portraits.

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