Samsung reveals 64Gb chip for HD storage cards
Samsung has developed the world’s first 64 Gigabit flash memory chip - using its 30-nanometer (nm)-class process technology. This flash memory device represents a major leap forward at a time of exploding demand for flash as the main storage medium in computing and multimedia applications. Sixteen 64Gb chips can be combined to make a 128 GB memory card that can store 80 DVD resolution movies, 64.000 quality JPEG images or 32,000 MP3 files. Samsung expects to begin production in 2009…
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Tamron 70-200mm f/2.8 Di LD Macro AF SP: Lens Test
Tamron means business with its first high-speed tele zoom in more than 10 years. This full-framer ($700, street) scales up, approximately, to a 109-310mm on most DSLRs, and as a member of Tamron's SP (Super Performance) family, was designed as a pro-quality lens. It boasts two costly LD glass elements that control color fringing and coatings to suppress flare off digital sensors. The lens makes a logical mate to Tamron's 28-75mm f/2.8 SP pro zoom.
HANDS ON: At 2 pounds, 14.6 ounces (including magnesium-alloy tripod collar and reverse-stowing lenshood), the lens might seem heavy, but it's actually lighter than most in its class. (Sigma's comparable 70-200mm f/2.8, for example, weighs more than 3 pounds, including hood.) With the petal-type lenshood in place, it's almost 11 inches long. Internal-zooming (and -focusing), at least it doesn't extend past that.
Its AF action is moderately fast, moderately quiet, and sure. Both manual-focus and zoom rings are very well-damped and even-turning. Each is textured with both knurled and ribbed patterns of rubber. Nearly 2 inches wide, the manual-focusing ring is unusually large, and well-designed for quick focusing touch-ups.
While the lens doesn't allow manual focus in the AF mode, it flips between the two with unusual ease thanks to this manual-focus ring that doubles as an easy-to-use, push/pull-type AF on/off switch. Its barrel markings are a bit unusual, though. When the switch is in the MF position, the markings that show the lens' AF/MF status are concealed under the ring. Result: First-time users can spend several minutes wondering how to go from manual to AF.
Julia Silber
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Samsung has developed the world’s first 64 Gigabit flash memory chip - using its 30-nanometer (nm)-class process technology. This flash memory device represents a major leap forward at a time of exploding demand for flash as the main storage medium in computing and multimedia applications. Sixteen 64Gb chips can be combined to make a 128 GB memory card that can store 80 DVD resolution movies, 64.000 quality JPEG images or 32,000 MP3 files. Samsung expects to begin production in 2009…
