Phase One Unveils First Medium-Format Camera With CMOS Sensor: Hands-On Test

"Game changer" is a phrase I seldom use in any product review—because it's cliched and because it's often not true—but that's how I'd describe Phase One's brand new 50-megapixel IQ250 medium-format digital camera back. The IQ250 uses a groundbreaking CMOS

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