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Apodization (APD) lenses go by many names, Smooth Trans Focus (STF), for example, but the technology is all in the name of good bokeh. Photographer David Flores tests some of the most popular options available today, while providing a great description for exactly how these optics function. Check out the whole video to see these lenses in action and be sure to read about it on B&H Explora to learn more.
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In the following video, Larry Becker, of Kelby Media, presents an overview of the Sigma 18-35mm f/1.8 DC HSM lens and covers its features, design, and its distinction of being the first constant f/1.8 zoom. Learn about this lens's overall performance, including its specifications, ability to produce notably shallow depth of field, auto-focus attributes, as well as build quality and operational characteristics. Becker also talks about Sigma's position in general and their push to develop the Global Vision series with specifically categorized