Exposure Preview: The Worst Thing for Your Camera’s Autofocus?

We talked to a couple of photographers and tech reps, and it seems like Exposure Preview could be hurting your camera’s autofocus.

Most people shooting with mirrorless cameras shoot with the Exposure Preview on. I’ve never been a fan of it, and I’ve always turned it off. In my mind, you should just learn to read the damn light meter to begin with, and not rely on what the screen says. One could think this is an old school way of thinking, but there are lots of performance benefits. If you’re shooting with a strobe, for example, there’s a great reason to turn exposure preview off. You’re usually shooting at a low ISO setting and faster shutter speeds. Plus, the camera won’t render what the scene will look like with your strobe output anyway. And for years, folks have used exposure preview as a crutch. That isn’t a bad thing, it’s just how people evolved to use cameras. I still recommend that everyone learns to shoot film and learns the art of Sunny 16: it will make you a better photographer. But all this is the long way of my saying that exposure preview is also messing with your autofocus.

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Why Fast Rangefinder Lenses Are Almost Useless for Most Photographers

Fast rangefinder lenses can be almost useless unless you have an EVF of some sort

For years I was one of those people who lusted after an f0.95 lens. Indeed fast rangefinder lenses are very worth it for many people. But believe it or not, they can be significantly more difficult to work with at times. Rangefinders for example need to be able to focus a lens like that. But in order for that to happen, the mechanism needs to be larger in order to achieve accuracy. It’s only in recent years that EVFs have come around good enough to aid in focusing with these lenses.

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Review: Tamron 10-24mm F3.5-4.5 Di II VC HLD (Canon EF-S)

The Tamron 10-24mm F3.5-4.5 Di II VC HLD is a lens that has been sorely needed for a while: it delivers a wide angle zoom option to APS-C DSLRs while putting in weather sealing, good autofocus performance, light weight, and overall great image quality. It’s a fantastic option for the photographer that has been looking for a way to shoot wide landscapes and cities with their APS-C DSLR while on vacation–or even just for fun. When you consider the weather sealing abilities built into the lens along with the relatively recent major improvements that Tamron has been making to their lenses, there is almost no reason to not consider the Tamron 10-24mm F3.5-4.5 Di II VC HLD lens.

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