telephoto lens - translation to greek
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telephoto lens - translation to greek

MOST COMMON TYPE OF CONSTRUCTION OF LONG-FOCUS CAMERA LENSES
Telephoto; Telelens; Super-telephoto lens; Super-telephoto lenses; Super-telephoto; Super telephoto lens; Super telephoto
  • A [[Canon New F-1]] (1981), a 35 mm camera with a telephoto zoom lens with 70-210 mm focal length.
  • Diagram of a typical telephoto lens with a large positive lens and a smaller negative telephoto group combined to create a much longer focal length - ''f''.
  • Diagram of a catadioptric mirrors lens.
  • A diagram of light travel through a wide-angle lens showing how focal length can be shorter than the lens.
  • A collection of telephoto lenses
  • equivalent to 35 mm film]]), minimum is 24 mm, a factor of 16.
  • A 150–500 mm telephoto zoom lens, physically much shorter than its maximum focal length.

telephoto lens         
τηλεφακός
convex lens         
  • 400px
  • Close-up view of a flat [[Fresnel lens]].
  • LSST]], a planned sky surveying telescope
  • 250px
  • 400px
  • Lenses can be used to focus light
  • Types of lenses
  • Meniscus lenses: negative (top) and positive (bottom)
  • Light being refracted by a spherical glass container full of water. [[Roger Bacon]], 13th century
  • An aspheric biconvex lens.
  • The position of the focus of a spherical lens depends on the radii of curvature of the two facets.
  • A watch with a plano-convex lens over the date indicator
  • Images of black letters in a thin convex lens of focal length ''f'' are shown in red. Selected rays are shown for letters '''E''', '''I''' and '''K''' in blue, green and orange, respectively. '''E''' (at 2''f'') has an equal-size, real and inverted image; '''I''' (at ''f'') has its image at [[infinity]]; and '''K''' (at ''f''/2) has a double-size, virtual and upright image.
OPTICAL DEVICE WHICH TRANSMITS AND REFRACTS LIGHT
Convex lens; Concave lens; Lenses; Optical lens; Thin Lens Formula; Thin lens formula; Lens maker's formula; Lens Maker's Formula; Lens formula; Lens Formula; Diverging lens; Lens maker equation; Lensmaker's equation; Lens maker's equation; Lens makers equation; Converging lens; Biconvex lens; Biconcave lens; Convex Lens; Meniscus lens; Crystal Lens; Curved lens; Spherical lens; Convex lenses; Compound lens; Lensmaker's formula; Lensmakers' equation; Lensmakers' forumula; Lensmakers forumula; Lensmakers equation; Lensmaker equation; Lensmaker formula; Plano-convex lens; Double convex lens; Plano-concave lens; Convex-concave lens; Negative lens; Equiconvex lens; Real-is-positive convention; Lens equation; Biconcave; Planoconcave; Plus lens; Convexo-concave lens; Minus lens; Conventional lens; LENS; Singlet (lens); Double-convex lens; Double concave lens; Double-concave lens; Bi-convex lens; Bi-concave lens; Double-convex converging lens; Double convex converging lens; Biconvex converging lens; Bi-convex converging lens; Double-concave diverging lens; Biconcave diverging lens; Bi-concave diverging lens; Double concave diverging lens; Meniscus (optics); Positive lens; Plano-concave; Planoconvex lens; Lens (optics); Optical lenses
κυρτός φακός
anastigmatic lens         
  • Dallmeyer ''Stigmatic'' (Aldis, 1895)
  • Taylor]], 1893)
  • von Höegh]], 1892)
  • Rudolph]], 1890)
LENS SETUP
Anastigmatic system; Anastigmatic lens
αναστιγματικός φακός

Definition

telephoto lens
¦ noun a lens with a longer focal length than standard, giving a narrow field of view and a magnified image.

Wikipedia

Telephoto lens

A telephoto lens, in photography and cinematography, is a specific type of a long-focus lens in which the physical length of the lens is shorter than the focal length. This is achieved by incorporating a special lens group known as a telephoto group that extends the light path to create a long-focus lens in a much shorter overall design. The angle of view and other effects of long-focus lenses are the same for telephoto lenses of the same specified focal length. Long-focal-length lenses are often informally referred to as telephoto lenses, although this is technically incorrect: a telephoto lens specifically incorporates the telephoto group.

Telephoto lenses are sometimes broken into the further sub-types of short telephoto (85–135 mm in 35 mm film format), medium telephoto: (135–300 mm in 35 mm film format) and super telephoto (over 300 mm in 35 mm film format) .

Examples of use of telephoto lens
1. "There will be a yellow rope in the face of the next of kin," protested one photographer with a large telephoto lens.
2. W. Unfortunately, just before he could hand over the note, Rick Wilking, a sharp–eyed Reuters photographer, snapped it with a telephoto lens.
3. Mobile cameras carry a powerful 300–600 mm telephoto lens that can capture the faces of drivers even at high speeds, but in this case the view was obscured by the cars sun visor.
4. "The matter was amicably resolved." The 37–year–old actress sued Peter Brandt in December 2005, claiming he invaded her privacy by using a telephoto lens to photograph her inside her home when she was topless or partly dressed.
5. That photo is taken with an extremely powerful telephoto lens – the farm is MILES away. – Bagman, Renfrew, Scotland View all Add your comment Name: Your email address will not be publishedEmail: Town and country: Terms and conditionsYour comment: make text area biggerYou have characters left.