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The Schmidt camera is a wide-field photographic telescope, with the corrector plate at the center of curvature of the primary mirror, producing an image at a focus inside the tube assembly at the prime focus where a curved film plate or detector is mounted. The relatively thin and lightweight corrector allows Schmidt cameras to be constructed ...
In electrical distribution, a fuse cutout or cut-out fuse (often referred to as a cutout) is a combination of a fuse and a switch, used in primary overhead feeder lines and taps to protect distribution transformers from current surges and overloads. An overcurrent caused by a fault in the transformer or customer circuit will cause the fuse to ...
The infinity mirror (also sometimes called an infinite mirror) is a configuration of two or more parallel or angled mirrors, which are arranged to create a series of smaller and smaller reflections that appear to recede to infinity. [1] [2] Often the front mirror of an infinity mirror is half-silvered (a so-called one way mirror), but this is ...
The Samyang 500mm F8.0 MC Mirror is a supertelephoto lens and is designed for full frame DSLRs. [1] It is a mirror lens. The lens is made in South Korea by Samyang Optics and marketed under several brand names, including Rokinon and Walimex. The lens uses manual focus only. As all mirror lenses, it cannot change the aperture.
Originally produced by Minolta, then by Sony, the AF Reflex 500mm f/8 was a catadioptric photographic lens compatible with cameras using the Minolta A-mount and Sony A-mount lens mounts. The Minolta/Sony Reflex 500mm lens still (2024) is the only mirror lens designed and produced to auto focus with a 35mm film SLR camera.
World map with ocean topography. Seabed topography (ocean topography or marine topography) refers to the shape of the land when it interfaces with the ocean.These shapes are obvious along coastlines, but they occur also in significant ways underwater.
The EF 500mm f / 4L IS USM with a Canon 2x Extender, rigged with flash and monopod. A typical setup for when taking photographs of birds. The EF 500mm f / 4L IS USM is a professional L series lens that was designed to replace the EF 500mm f / 4.5L USM. This lens is constructed with a metal body and mount, and with plastic extremities and switches.
The nameplates FX35 and FX45 refer to the two available engines. The FX35 is available in two drivetrains, the RWD and the AWD, which are both fitted to a dual overhead cam 3.5-liter 24-valve V6 VQ35DE gasoline engine, with aluminum-alloy block and heads, electronically controlled throttle system, and low-friction molybdenum-coated pistons that makes use of the continuous variable valve timing ...