For that to work, each lens must respond to light coming from only one direction.
You'll find each lens is extremely versatile and you're only limited by how you can navigate the scene.
In the Dolby case, the glasses use multiple coatings on each lens to filter out different sets of frequencies of light.
An infrared camera in each lens then picks up those signals and uses them to coordinate the location of your pupils, tracking what you're looking at.
ENGADGET: 'Talking Places' is the Google Glass of tour guides, we go hands-on (video)
This means the rear lens elements are as close as possible to the sensor, reducing the back focus distance of each lens to the minimum possible, thus achieving high resolution from edge to edge.
ENGADGET: Fujifilm grows X-series mirrorless lineup with 16.3-megapixel X-E1
Light shone in from the side, between the two, was guided around each tiny lens, creating a small cloaked region in the centre of each one.
Each school had a very different lens to approaching their field of study, coupled with their own unique culture.
Each sports a 12x optical zoom lens (made by Leica, no less), though only the FZ5 (which is pictured above) gets its LCD bumped up to 1.8-inches.
ENGADGET: Panasonic's latest digicams: The Lumix DMC-FZ5, DMC-FZ4, DMC-LZ2, DMC-LZ1, and DMC-LS1
The Carl Zeiss lens not only delivers spectacular image quality all the way to the edges of each frame, it incorporates a near-silent in-lens shutter and is far more compact than comparable lenses of interchangeable design.
The three D-ILA devices in each HDTV are combined with a new mirror and lens that has allowed JVC to reduce the projection distance needed and slim down the sets considerably.
Zebra came up with a spherical lens that records a much wider field of view from each point of the hologram.
Instead of converging to a point on a focal plane behind the lens, the rays spread out so as to run in a thick stream roughly parallel to each other (see chart).
应用推荐