Thursday, 6 December 2012

An Introduction To TTL Flash Photography. Plus: Canon's Flagship DSLR Tested

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PopPhoto
December 6, 2012
Breaking news from America's top photo magazines
PopPhotoAmerica Photo
A collection of photos taken in the great indoors
For the November 2012 photo challenge, we asked our readers to photograph an interior space using only the light available. It's a tricky task to be sure, but the results are, as always, excellent. The entries ranged from complex modern museums to decrepit barns. Here are some of our favorites.

TTL is awesome, but in what settings does it work best?
The Canon EOS-1D X is an ideal DSLR for sports shooters
Full-resolution images from Tamron's new telephoto zoom


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RAW Size

Q. Can you explain to me why the Canon EOS Rebel T2i’s 18-megapixel sensor produces a RAW file of approximately 24–26 megabytes?

A. Megapixels are commonly confused with megabytes. The megapixel count is simply the number of light-sensitive dots on the sensor. The RAW file includes the recorded light intensity from each pixel—each taking up several bytes—plus information on exposure, color balance, contrast, and so on. RAW file sizes are thus significantly larger than megapixel counts.



 
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