Picture Snob

February 19, 2008

New Patent Allows You to Take Movies on DSLRs


This is big. For years we've had point + shoot cameras that can take video clips and photos. If you wanted a DSLR (Digital Single Lens Reflex)* you gave up the movies in favor of specialized lenses and focus options. Auto-focus is what stands between DSLRs and movie mode. DSLRs have gotten better and better over the years, mostly by faster auto-focus speeds and narrow focus tolerance. Inventor Hiroshi Terada has published a patent to make movie mode work in DSLRs by using a semi-transparent mirror and two auto-focus functions -- one for stills and one for movies. You can read about the patent in detail at Photography Bay. Not sure when this feature will hit, but we'll keep you posted.

* A SLR is a camera design where light enters through the lens and is reflected by a mirror up to the viewfinder, allowing you to see exactly what the final picture will look like -- focus, depth of field, etc. A DSLR is just a digital version of this, using light sensor chips and memory cards instead of film. You can also change lenses on SLRs that will allow you different focal lengths.

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Posted by Susan Moriarty at February 19, 2008 6:12 AM
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