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Detalizēta informācija

Ražotājs Canon
Savietojamie kameru ražotāji Canon
Objektīva sērija Canon L
Objektīva veids

Objetīvu veidi ir sekojoši: maināma fokusa un fiksēta fokusa.

Fiksēta fokusa attāluma objektīvi ļauj lietas fotografēt noteiktā attēla palielinājuma pakāpē, tie nodrošina labāku attēla kvalitāti un gaismspēju, taču maināma fokusa objektīvi ir daudz ērtāki.

Maināma fokusa
Objektīva profils

Galvenie objektīvu profili: standarta, tele, platleņķa, zivs acs un makro.

Standarta objektīviem skata leņķis ir līdzīgs cilvēka acs skata leņķim (~50°).

Ar teleobjektīvu lietas var saskatīt tuvāk nekā ar cilvēka aci.

Platleņķa objektīvi ir ar ļoti plašu skatu leņķi, ļoti mazu attēla kropļojumu un lielām asuma dziļuma spējām.

Zivs acs tipa objektīviem ir ļoti plats skatu leņķis (180°), tomēr lielais attēla kropļojums ierobežo to izmantojamību.

Objekts, kas uzņemts ar makroobjektīvu, attēlā vienmēr izskatīsies vai nu tāds kāds dzīvē, vai nu lielāks.

Teleobjektīvi: no 100 - 600 mm
Lietošanas mērķis

Fotoaparātu modeļi, kas ir savietojami ar šo objektīvu.

Radīts lietošanai ar Canon digitālajām spoguļkamerām
Objektīva konstrukcija (elementu / grupu skaits) 20 / 15
Minimālais fokusēšanas attālums

Mazākais pieļaujamais fokusēšanas attālums.

120 cm
Filtra diametrs 67 mm
Diafragmas lāpstiņu skaits 8
Svars (g) 760
Izmēri

Diametrs x garums

76.2 x 172.7 mm
Īpašas atzīmes Ātra un klusa automātiskā fokusēšana
Fluorīta un UD objektīva elementi
Super Spectra pārklājumi
Attēlu stabilizators

Preces apraksts

Canon EF 70-200/4.0 L IS USM
Preces apraksts angļu valodā:

Retaining the excellent performance at maximum aperture of the much larger f/2.8L IS but in a smaller and more travel-friendly size, the Canon EF 70-200mm f/4L IS USM Lens is a professional zoom telephoto suitable for a broad range of applications from sports to portraiture. It is fully compatible with the Extender EF 1.4x II and 2x II teleconverters (requires f/8 AF sensitivity with EF 2x II), and its built-in image stabilizer allows the equivalent hand-holding ability of a shutter speed 4 steps faster-making this a great lens for capturing still subjects with a telephoto perspective in very low light. The stabilizer can be activated to only correct shake in the vertical axis for panning action when desired as well.

Like every autofocus Canon "L" lens, the EF 70-200mm f/4L IS USM delivers optical performance equal to similar fixed focal length lenses, with silent, high-speed focusing and full-time manual focus override capacity. Distortions and aberrations are remarkably small for a lens of such capability. This lens combines 1 artificial fluorite element with 2 UD (Ultra-low Dispersion) elements to help achieve images free of secondary spectrum aberrations, which are often the bane of consumer-grade telephoto zooms. Its aperture diaphragm is circular, to help create very natural out-of-focus background highlights.

  • This 70-200mm lens has a minimum focusing distance of 3.9' (1.18m) throughout its entire range of focal lengths, and it accepts 67mm screw-in filters.
  • An autofocus telephoto zoom lens for both film and digital cameras
  • Built-in image stabilizer action can be seen in the viewfinder
  • Allows handheld images at shutter speeds 4 steps slower than without image stabilization
  • Excellent f/4 maximum aperture performance at all focal lengths
  • Fast, silent autofocus with full-time manual focus override
  • Significantly lighter than the EF 70-200mm f/2.8L
  • Uses 1 fluorite and 2 UD (Ultra-low Dispersion)elements to help control secondary spectrum aberrations
  • Professionally sealed against moisture and dust ingress
  • Internal zooming and focusing
  • Circular aperture diaphragm for natural-looking out of focus highlights
  • Uses 67mm filters

Atsauksmes

0.0 no 5 zvaigznēm (Kopā 0 vērtējumi)

5★
4★
3★
2★
1★
CANON Canon EF 70-200/4.0 L IS USM Canon EF 70-200/4.0 L IS USM
Preces apraksts angļu valodā:

Retaining the excellent performance at maximum aperture of the much larger f/2.8L IS but in a smaller and more travel-friendly size, the Canon EF 70-200mm f/4L IS USM Lens is a professional zoom telephoto suitable for a broad range of applications from sports to portraiture. It is fully compatible with the Extender EF 1.4x II and 2x II teleconverters (requires f/8 AF sensitivity with EF 2x II), and its built-in image stabilizer allows the equivalent hand-holding ability of a shutter speed 4 steps faster-making this a great lens for capturing still subjects with a telephoto perspective in very low light. The stabilizer can be activated to only correct shake in the vertical axis for panning action when desired as well.

Like every autofocus Canon "L" lens, the EF 70-200mm f/4L IS USM delivers optical performance equal to similar fixed focal length lenses, with silent, high-speed focusing and full-time manual focus override capacity. Distortions and aberrations are remarkably small for a lens of such capability. This lens combines 1 artificial fluorite element with 2 UD (Ultra-low Dispersion) elements to help achieve images free of secondary spectrum aberrations, which are often the bane of consumer-grade telephoto zooms. Its aperture diaphragm is circular, to help create very natural out-of-focus background highlights.

  • This 70-200mm lens has a minimum focusing distance of 3.9' (1.18m) throughout its entire range of focal lengths, and it accepts 67mm screw-in filters.
  • An autofocus telephoto zoom lens for both film and digital cameras
  • Built-in image stabilizer action can be seen in the viewfinder
  • Allows handheld images at shutter speeds 4 steps slower than without image stabilization
  • Excellent f/4 maximum aperture performance at all focal lengths
  • Fast, silent autofocus with full-time manual focus override
  • Significantly lighter than the EF 70-200mm f/2.8L
  • Uses 1 fluorite and 2 UD (Ultra-low Dispersion)elements to help control secondary spectrum aberrations
  • Professionally sealed against moisture and dust ingress
  • Internal zooming and focusing
  • Circular aperture diaphragm for natural-looking out of focus highlights
  • Uses 67mm filters
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