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TELECOMPRESSOR

Telecompressor

A telecompressor or focal reducer is an optical element used to reduce focal length, increase lens speed, and in some instances improve optical transfer

Telecompressor

Teleconverter

Secondary lens mounted between a camera and a photographic lens

is generally marketed under the name speed booster, though the term telecompressor has also been used. It is used in particular to adapt DSLR lenses to

Teleconverter

List of telescope parts and construction

placed just before the image plane of a telescope.[citation needed] Telecompressor or focal reducer: Optical element to decrease the telescope's focal

List of telescope parts and construction

List_of_telescope_parts_and_construction

Samsung EX1

Compact camera developed by Samsung

EA-OVF1 Wide conversion lens – Teleside converter 0,75× (18 mm) resp. Telecompressor – EA-LWCEX01 List of digital cameras with CCD sensors "Samsung TL500

Samsung EX1

Samsung_EX1

Lens adapter

camera. Some lens adapters include a special optical element called a telecompressor, focal reducer, or more recently a "speed booster", a genericised trademark

Lens adapter

Lens_adapter

Minolta RD-175

Early DSLR camera that used three CCD sensors

importing and processing a single image could take from 50 to 108 seconds. Telecompressor Minolta Digital Camera RD-175: Instruction Manual. Minolta GmbH, Business

Minolta RD-175

Minolta_RD-175

Samsung NX-mount

Lens mount

long flange distance compared to other mirrorless systems, making a telecompressor adapter was more difficult, but in 2017 a crowdsourced NX-L appeared

Samsung NX-mount

Samsung_NX-mount

Lens speed

Maximum aperture diameter, or minimum f-number, of a photographic lens

and wide-angle retrofocus designs tend to be much more expensive. A telecompressor, also known as a speed booster, may be used to increase the speed of

Lens speed