An international team of researchers has bundled groups of 24 Canon EF 400mm f/2.8 lenses together into what they call the Dragonfly Telephoto Array in order to capture photos of distant stars.
As privacy concerns grow and as facial detection/recognition technologies improve, a new arms race is emerging. Researchers have created a new privacy photo filter that prevents facial recognition systems from detecting and recognizing faces.
Now here's a neat use of Canon's lenses: the University of Toronto owns one of the smallest professional astronomical telescopes in the world that uses an array of photographic camera lenses instead of a single lens. Called the Dragonfly Telephoto Array, it uses ten ordinary Canon 400mm f/2.8L IS II lenses that cost $9,999 each. That's $100,000 in photo gear.
HDR (high-dyanamic-range) video is no new concept. In fact, Magic Lantern has offered a way to shoot HDR footage utilizing Canon DSLRs since 2011. It's even become a feature of some mobile phones. But capturing and displaying HDR video in real-time? Well, that's another story.
Researchers at the University of Toronto have come up with a new video camera that can achieve infinite …