C World conducts two major forms of testing on all products under consideration for review: hands-on testing by editors and writers who are experts in the product category, and formal testing by PC World Labs.
Cameras
Point-and-shoot models and advanced models: We test all cameras with their included memory. If no cards are provided, we use a Kingston brand memory card. To gauge picture quality, we take a series of shots, with and without flash, at the camera's highest resolution. We photograph a complex still life, a target resolution chart, and a mannequin to see how well each camera captures details and subtle coloring such as skin tones.Single-lens reflex models: We test all cameras with their included memory card. If no cards are provided, we use a Kingston brand memory card. To gauge picture quality, we take a series of shots, with and without flash, at the camera's highest resolution. We photograph a complex still life and a mannequin using automatic settings in Program/Full-Auto Mode to see how well each camera captures subtle color and exposure under its default settings. We then photograph the same still life and a resolution moiré chart with semiautomatic settings using aperture priority, custom white balance, and exposure bracketing.
Cell Phones
We perform no lab-based tests on cell phones. We consider a number of factors in assigning the final verdict for a particular model of phone, including its hardware design, call quality, input options (how well the keyboard works), software, multimedia functions, and camera image quality; we also assess what comes in the box.
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