 | September 06, 2012 Breaking news from America's top photo magazines |   | |  | Our editors, being bargain hunters, once again bring you a select list of good stuff…for less Whether it's cameras, lenses, flashes, acessories or editing solutions you seek, we've got you covered with a definitive list of the very best deals money can buy. So go ahead, feel free to splurge. |
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Q. With the versatility of all-in-one zooms like the new Nikkor 18–300mm and Tamron 18–270mm, what is the argument for having a bunch of lenses with limited zoom ratios? Every time I change a lens I’m vulnerable to dirt getting on my sensor. I understand the all-in-ones aren’t as fast as f/2.8 lenses, but the image stabilization built into most of them allows you to shoot in low-light situations. And granted, the bokeh will be better with an f/2.8 lens, but how much quality am I giving up with an all-in-one?
A. We’re big on the convenience of all-in-ones, but our SQF data show that these lenses are optically challenged at their longest focal lengths, where they typically drop several grades in sharp-ness and contrast. Slower lenses mean slower AF, and image stabilization won’t keep a moving subject from blurring at slow shutter speeds. All-in-one zooms typically slow down to f/6.3 at longest tele, so you’d need to use 1/40 sec to get the same exposure that you would at 1/250 sec with an f/2.8. |
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