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2. Panoramic photography - Wikipedia

   en.wikipedia.org/wiki/Panoramic_photography

   A string, inside of the camera, hanging through a hole in the tripod screw, wound around a pulley inside the wooden box camera. To take a panoramic photo, the photographer swiveled the metal cap away from the lens to start the exposure. The rotation could be set for a full 360-degree view, producing an eighteen-inch-long negative. [24]

3. Flash (photography) - Wikipedia

   en.wikipedia.org/wiki/Flash_(photography)

   Flash units are commonly built directly into a camera. Some cameras allow separate flash units to be mounted via a standardized accessory mount bracket (a hot shoe). In professional studio equipment, flashes may be large, standalone units, or studio strobes, powered by special battery packs or connected to mains power.

4. Hot shoe - Wikipedia

   en.wikipedia.org/wiki/Hot_shoe

   An internal camera circuit connects the center contact and shoe mount to trigger the flash. The magnitude and polarity of the voltage between the contacts on the flash in the open-circuit condition has varied between different flash units; this is of no consequence for a simple electromechanical contact on the camera so long as the energy is ...

5. Omnidirectional (360-degree) camera - Wikipedia

   en.wikipedia.org/wiki/Omnidirectional_(360...

   Schematic of an omnidirectional camera with two mirrors: 1. Camera 2. Upper Mirror 3. Lower Mirror 4. "Black Spot" 5. Field of View (light blue) In photography, an omnidirectional camera (from "omni", meaning all), also known as 360-degree camera, is a camera having a field of view that covers approximately the entire sphere or at least a full circle in the horizontal plane.

6. Aviation photography - Wikipedia

   en.wikipedia.org/wiki/Aviation_photography

   Remote photography is the least common type of aviation photography. The first time close head-on remote photography had been used was in 1977 when photographer Richard Cooke, working with Sqn Ldr Alan Voyle, Senior Engineering Officer of The Red Arrows, developed a camera bracket to fit on the underside of a spare Red Arrows Folland Gnat aircraft.

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