About three quarters of the EF-mount lenses out there are not weather sealed. Because of this, using those lenses often leads to more frequent sensor cleaning, dust and even water accumulation inside your camera body.

Fortunately, a simple but effective idea from California-based photographer Tyler Sterbentz fixes that problem. It’s called the Dust Donut: Read more…

We’re gonna call this rumor “significantly farfetched,” but stranger things have happen and we’d hate to miss out on this one just in case somehow it comes to fruition. Someone personally told the folks over at Northlight Images that Nikon and Canon are swapping some patents, the result of which will be a Nikon camera with an EF mount.
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Based on a recently published patent filing, Canon appears to be working on putting aperture rings on EF-mount lenses to allow the aperture to be smoothly controlled during video recording. The patent, filed by the company back in March and published late last week, talks of a “diaphragm driving unit” and shows a third ring on the lens in addition to the zoom and focus rings.

As many of you know, Canon is planning a “historic” announcement in Hollywood on November 3rd. Many people are guessing that an EF-mount camcorder will be announced, while others are hoping for a Canon 5D Mark III that’s even more geared towards filmmakers. This new patent is further proof that Canon is indeed planning big things for the filmmaking market.

(via Photography Bay)