Sometimes called hot mirrors, these are filters designed to stop infrared light from reaching the sensor. These are incorporated into many cameras as standard, although the term also refers to filters which can be mounted on lenses.
On sale: 29th Aug
Highlights this month include your essential guide to using prime lenses, plus 36 tips for better landscape images in our brand new 12-page Technique series, and we help you take control of your ISO settings. Plus much more!
Which of the new cameras announced so far this year are you most excited about?
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