A lens coating developed by Canon, said to allow for 99.9% of light passing through a lens to reach the sensor. It is also claimed to minimise reflections, and so help prevent the aberrations which would otherwise results from them.
On sale: 14th Feb
We introduce the new and improved look of What Digital Camera with 102 camera reviews, while in a high-resolution battle, the Sony A7R and Nikon D800E go head to head, plus we've put together an essential guide to Wi-fi.
Which of the new cameras announced so far this year are you most excited about?
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