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Detalizēta informācija

Ražotājs Sigma
Savietojamie kameru ražotāji Canon
Objektīva sērija Sigma
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 pilna kadra Canon digitālajām spoguļkamerām
Objektīva konstrukcija (elementu / grupu skaits) 22 / 17
Minimālais fokusēšanas attālums

Mazākais pieļaujamais fokusēšanas attālums.

140 cm
Filtra diametrs 77 mm
Diafragmas lāpstiņu skaits 9
Svars 1430 g
Izmēri

Diametrs x garums

86.4 x 197.6 mm
Īpašas atzīmes HSM-motors
Optiskā attēla stabilizācija (Optiskais stabilizators)
EX Objektīvs

Preces apraksts

SIGMA AF 70-200/2.8 EX DG OS HSM Canon
Preces apraksta angļu valodā:

  • Designed for use with full frame digital SLR cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 100 to 300mm with most cameras
  • Offers Sigma's OS System (Optical Stabilization) allowing handheld photography even in low-light situation
  • HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus
  • FLD glass elements with performance equal to fluorite glass for compensate for color aberration
  • A lens hood, hood adapter, front & rear lens caps and carrying case are included with the lens.
Sigma's New APO 70-200mm F2.8 EX DG OS HSM is the second generation of this large aperture telephoto zoom lens now incorporating Sigma’s Optical Stablization function, OS, our own anti-shake system which makes viewing a stabilized image in the viewfinder possible for Sony and Pentax users if chosen. Two FLD glass elements, which have the performance equal to fluorite glass have also been added along with three SLD glass elements, all which provide excellent correction of color aberration. In spite of the additions of all of these features, Sigma has managed to make the lens more compact than its predecessor, measuring only 7.8” in length. For any serious photographer where the 70-200mm focal range is often the most important second lens to own after the initial standards lens or mid range zooms. The fast aperture is extremely useful and important in low light environments or when shooting fast moving situations where a higher shutter speed demands maximum lights thru the lens. HSM ensures quiet and high speed AF as well as full-time manual focus capability. Super Multi-Layer lens coating reduces flare ghosting and assures high image quality throughout the entire zoom range. It has a minimum focusing distance of 55.1 inches throughout the entire zoom range and a maximum magnification ratio of 1:8 The rounded 9 blade diaphragm creates an attractive blur to the out of focus images. This lens is equipped with a petal-type hood. Its exceptional versatility as an all-around lens is perfect for journalists and wedding photographers. This latest version of the Sigma 70-200mm is well regarded for its outstanding image quality, light weight and ease of operation.

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SIGMA (CANON) SIGMA AF 70-200/2.8 EX DG OS HSM Canon SIGMA AF 70-200/2.8 EX DG OS HSM Canon
Preces apraksta angļu valodā:

  • Designed for use with full frame digital SLR cameras. May also be used with smaller APS-c size sensors with a corresponding effective increase in focal length to about 100 to 300mm with most cameras
  • Offers Sigma's OS System (Optical Stabilization) allowing handheld photography even in low-light situation
  • HSM (Hyper-Sonic Motor) ensures a quiet & high-speed auto focus
  • FLD glass elements with performance equal to fluorite glass for compensate for color aberration
  • A lens hood, hood adapter, front & rear lens caps and carrying case are included with the lens.
Sigma's New APO 70-200mm F2.8 EX DG OS HSM is the second generation of this large aperture telephoto zoom lens now incorporating Sigma’s Optical Stablization function, OS, our own anti-shake system which makes viewing a stabilized image in the viewfinder possible for Sony and Pentax users if chosen. Two FLD glass elements, which have the performance equal to fluorite glass have also been added along with three SLD glass elements, all which provide excellent correction of color aberration. In spite of the additions of all of these features, Sigma has managed to make the lens more compact than its predecessor, measuring only 7.8” in length. For any serious photographer where the 70-200mm focal range is often the most important second lens to own after the initial standards lens or mid range zooms. The fast aperture is extremely useful and important in low light environments or when shooting fast moving situations where a higher shutter speed demands maximum lights thru the lens. HSM ensures quiet and high speed AF as well as full-time manual focus capability. Super Multi-Layer lens coating reduces flare ghosting and assures high image quality throughout the entire zoom range. It has a minimum focusing distance of 55.1 inches throughout the entire zoom range and a maximum magnification ratio of 1:8 The rounded 9 blade diaphragm creates an attractive blur to the out of focus images. This lens is equipped with a petal-type hood. Its exceptional versatility as an all-around lens is perfect for journalists and wedding photographers. This latest version of the Sigma 70-200mm is well regarded for its outstanding image quality, light weight and ease of operation.
589954
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