Advanced Compact Shoot Out: Canon, Nikon and Panasonic!

Advanced Compact Shoot Out: Canon, Nikon and Panasonic!	View this email online

	December 2, 2010 Breaking news from America's top photo magazines From the Forums: What cameras make the best gifts for parents or grandparents? Our readers share their thoughts. Join and Contribute!

	Advanced Compact Shoot Out: P7000, G12 and LX5 We compare Canon's G12, Panasonic's LX5 and the Nikon's P7000 in real-life situations. Backstory: Celebrating the Sun Blessing Robert Hooman photographs Brooklyn’s enclaves. SHARE: Monthly Photo Challenge Enter Popular Photography's monthly photo contest! Canon Offers 5D Mark II and 7D Owners $100 Locking Mode Dial Upgrade Never accidentally shoot in full-auto again. Photo of the Day Think your photos have what it takes to be named Photo of the Day? Then upload your best shots to our Flickr page. See the whole gallery here TECH SUPPORT Crop Confusion Q. Your Crop Factor article in October 2010 was interesting, but I’m missing something. In November you said the Canon PowerShot S95 has a sensor size of 1/1.7 inch. Obviously that is not height/width. Is it a fraction that gives some dimension? A. Manufacturers use a weird size designation for the sensors in most compact cameras. The 1/1.7-inch designation is indeed a fraction: It is the measurement of the diagonal of the sensor chip multiplied by about 1.5 to 1.6X. (The reason for this goes back to—seriously—glass electronic tubes.) The diameter of a 1/1.7-inch sensor works out to about 9.5mm, relatively huge as compact sensors go. Where it gets really confusing is in comparing sizes of these small sensors, since a 1/2.5-inch chip (common in superzooms and small compacts) is much smaller than a 1/1.7-incher—about 4.3x5.8mm versus about 5.7x7.6mm. We promise from now on to give actual dimensions of sensor chips, not those wacky inch thingies.

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