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You rely on your camera’s autofocus feature, but how does it work? Phase-detection, contrast-detection, machine-learning algorithms, AF-C, AF-S… autofocus quickly becomes a complicated subject for any photographer to keep straight while shooting. Rishi Sanyal, Science Editor at DPReview.com, joins us for this breakdown of autofocus works and how you can use it more effectively.
Your camera stores photos on memory cards, but trying to understand them is a confusing mess of acronyms, speed claims, and marketing. What’s the difference between a UHS-I SD card and a UHS-II card? We break it all down, including why you may not want the fastest (and more expensive) cards available.
