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ПОДРОБНАЯ ИНФОРМАЦИЯ

Производитель Canon
Совместимые производители камер Canon
Серия объектива Canon L
Тип обьектива

Objektiivid on muudetavad ja fikseeritud fookuskaugusega. Distantsilt võimaldavad fikseeritud fookuskaugusega objektiivid fotografeerida kujutise suurendamise astmel, nad kindlustavad parema kvaliteedi ja kujutise valguse võimalused. Samas muudetava fookusega objektiivid on palju mugavamad.

С переменным фокусным расстоянием
Профиль обьектива

Peamised objektiivide profiilid: standartne-, tele-, lainurk-, kalasilm- ja makroobjektiiv. Standardsel läätsel on vaatenurk analoogne inimese silma omaga (50 kraadi). Teleobjektiiviga võib näha asju lähemalt kui inimese silmaga. Lainuk objektiivid on väga laia vaatenurgaga, väga väikse kujutise moonutamisega ja suure teravussügavusega. Kalasilma läätsedel on väga lai vaatenurk (180 kraadi), aga suure kujutise moonutamise tõttu on nende kasutus piiratud. Objekt, mis on pildistatud makroobjektiiviga, näeb kujutisel alati välja nagu elus või suurem.

Широкоугольный: 16-35 мм
Цель использования

Kaamera mudelid, mis vastavad sellele eesmärgile.

Для работы исключительно с цифровыми зеркальными фотокамерами Canon
Конструкция объектива (число элементов / групп) 12 / 9
Минимальное расстояние фокусировки

Minimaalne lubatud fokusseerimise kaugus.

28 см
Диаметр фильтра 77 мм
Число лепестков диафрагмы 7
Вес (г) 475
Габариты

Laius x kõrgus

83.5 x 96.8 мм
Специальные отметки Асферические линзы
Быстрая и тихая автофокусировка - USM
Защищен от пыли и влаги

Описание модели

Canon EF 17-40/4.0 L USM
Описание товара на английском языке:

The lens' minimum focusing distance is just 11" (28cm) throughout its entire range of focal lengths, which makes it very useful for close-up work. All of the focusing and zooming action is done internally, with no changes in the size of the lens. Its ultrasonic autofocus motor enables smooth and silent autofocus action and manual focus override in One Shot AF mode allows precise manual focusing without switching into MF mode.

It only uses lead-free optics to help the environment, and features a circular diaphragm for improved background blur. The housing is water and dust resistant to help ensure reliable performance for both professionals and enthusiasts. Like many "L" lenses, it uses 77mm filters, but also has a rear gelatin filter slot behind the lens mount that can hold 3 gel filters.

This lens is a Canon 'EF' series lens, indicating it is for use with full-frame cameras. However, it also works with APS-C format DSLRs and offers a 35mm focal length equivalence of 27-64mm, making it an ideal medium-aperture standard zoom lens.

  • A super wide-angle zoom lens for full-frame DSLR and 35mm film cameras that offers a 27-64mm focal length equivalent when used on APS-c size sensors.
  • Uses 3 aspherical lens elements and Canon Super UD ultra-low dispersion glass for reduced aberrations and overall sharp, high contrast imaging
  • An ultrasonic autofocus motor provides fast, smooth and quiet AF action, particularly important when shooting video.
  • Manual focus override enables precise manual focusing even when in One Shot AF mode.
  • Internal zooming and focusing systems
  • As a Canon "L" series lens it provides professional levels of moisture and dust resistance.
  • Circular aperture diaphragm for better, more natural looking background blurring
  • Accepts 77mm filters, as well as gelatin filters at the rear of the lens.

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CANON Canon EF 17-40/4.0 L USM Canon EF 17-40/4.0 L USM
Описание товара на английском языке:

The lens' minimum focusing distance is just 11" (28cm) throughout its entire range of focal lengths, which makes it very useful for close-up work. All of the focusing and zooming action is done internally, with no changes in the size of the lens. Its ultrasonic autofocus motor enables smooth and silent autofocus action and manual focus override in One Shot AF mode allows precise manual focusing without switching into MF mode.

It only uses lead-free optics to help the environment, and features a circular diaphragm for improved background blur. The housing is water and dust resistant to help ensure reliable performance for both professionals and enthusiasts. Like many "L" lenses, it uses 77mm filters, but also has a rear gelatin filter slot behind the lens mount that can hold 3 gel filters.

This lens is a Canon 'EF' series lens, indicating it is for use with full-frame cameras. However, it also works with APS-C format DSLRs and offers a 35mm focal length equivalence of 27-64mm, making it an ideal medium-aperture standard zoom lens.

  • A super wide-angle zoom lens for full-frame DSLR and 35mm film cameras that offers a 27-64mm focal length equivalent when used on APS-c size sensors.
  • Uses 3 aspherical lens elements and Canon Super UD ultra-low dispersion glass for reduced aberrations and overall sharp, high contrast imaging
  • An ultrasonic autofocus motor provides fast, smooth and quiet AF action, particularly important when shooting video.
  • Manual focus override enables precise manual focusing even when in One Shot AF mode.
  • Internal zooming and focusing systems
  • As a Canon "L" series lens it provides professional levels of moisture and dust resistance.
  • Circular aperture diaphragm for better, more natural looking background blurring
  • Accepts 77mm filters, as well as gelatin filters at the rear of the lens.
8806A007AA
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