Gallery: American Photo's Images of the Year and More!

Gallery: American Photo's Images of the Year and More!	View this email online

	December 16, 2010 Breaking news from America's top photo magazines From the Forums: What are your thoughts on ring flash adapters like the Ray Flash or Orbis Ring Flash? Our readers share their thoughts. Join and Contribute!

	American Photo: 2010 Images of the Year Photographs that will amaze you with artistry and astound you with originality. Gallery: John Isaac, the Passion of a U.N. Photographer How this former photojournalist went from shooting the dark side of humanity to capturing the radiance of wildlife. Nikon ED 300mm F/2 Hits eBay, Bidding Starts at $15,000 A veteran piece of rare glass makes its way to the online auction block. Tested: Olympus Zuiko Digital ED14-35mm f/2 SWD This four thirds lens sets a speed record. 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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Popular Photography's 2010 Camera of the Year and More!

Popular Photography's 2010 Camera of the Year and More!	View this email online

	December 9, 2010 Breaking news from America's top photo magazines From the Forums: What are your thoughts on the NYU professor who had the camera implanted into the back of his head? Our readers share their thoughts. Join and Contribute!

	2010 Camera of the Year: Sony A55 The decision of our editors was unanimous: It could only be Sony’s unique take on the single-lens reflex. Video: Canon's Locking Mode Dial Mod for 5D Mark II See what the $100 upgrade will get you. How To: Use Fog and Mist to Your Advantage in Landscape Photography Fog, mist, smoke and haze can all act as an excellent natural filter. Professor Has Camera Implanted In the Back of His Own Head That's one way to skip the camera strap. 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 Did You Know: Lighting Ratios A common way to describe both quantity and quality of light is the lighting ratio. It indicates the amount of light (in stops) that illuminates the highlights compared with the shadows. The first number in the ratio refers to the key or mainlight; the second to the shadows or fill light. The closer the two numbers are to each other (e.g., 1:1), the flatter the overall lighting. The more they vary (e.g., 4:1), the higher the overall contrast. Lighting ratios can help you retain detail. If your camera’s sensor can capture a 6-stop range of highlight-to-shadow detail, and your scene has a lighting ratio of 7:1, you must drop light levels in the highlights or add light to the shadows until you reach a 6:1 ratio. Ratios can be determined with in-camera spotmeters, but handheld flash meters such as sekonic’s l-358 can be easier—their manuals explain how in step-by-step instructions.

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