Sigma 18-250mm F3.5-6.3 DC OS HSM

Sigma 18-250mm F3.5-6.3 DC OS HSM ръководство на потребителя

  • Thank you very much for purchasing a Sigma Lens. In order to get the
    maximum performance and enjoyment out of your Sigma lens, please read this
    instruction booklet thoroughly before you start to use the lens.
    These are special lenses that are designated for digital cameras because the
    lens image circle is designated to correspond to the size of the image sensors
    of most digital SLR cameras. The specialized design gives these lenses the
    ideal properties for digital cameras.
    An image sensor element larger than those corresponding to APS-C cannot
    be used in digital cameras or 35mm SLR cameras. If such an element is
    used vignetting will occur on the picture surface.
    If you use SD14 or SD10 or SD9 digital camera, corresponding angle of view
    will be 30-425mm.
    When this lens is attached to the camera body it will automatically function in
    the same way as your normal lens. Please refer to the instruction booklet for
    your camera body.
    On the lens mount surface, there are a number of couplers and electrical
    contacts. Please keep them clean to ensure proper connection. To avoid
    damaging the lens, be especially sure to place the lens with its front end
    down while changing the lens.
    This lens is powered from the camera. The stabilizer unit will be placed to a specific
    in the lens body and then shooting will be possible (stabilizer unit will
    switch to active
    status) regardless of the OS Switch position. The active status will
    take approximately a
    minute from turning the camera on or depressing the shutter
    button “half-way”
    The image in the viewfinder looks like it is vibrating after the camera is turned
    on or turned off. This is not a malfunction.
    If you fix the camera with the tripod or another method, please determine the
    composition when the stabilize unit is in the active status. The composition
    seen through the viewfinder will be different depending on the power status of
    the camera. If the active status is cancelled, please press the shutter button
    The sigma lens functions automatically after mounting to your camera. Please,
    refer to the camera instruction book.
    For autofocus operation, set the focus mode switch on the lens to “AF” position.
    If you wish to focus manually, set the focus mode switch on the lens to the “MF”
    position. You can adjust the focus by turning the focus ring.
    To avoid damaging AF mechanism, please do not turn the focus ring
    manually while in the autofocus mode.
    When operating this lens in manual focus mode, it is recommended that
    correct focus be confirmed visually in the viewfinder rather than relying on
    the distance scale. This is due to possible focus shift resulting from extreme
    changes in temperature which cause various components in the lens to
    expand and contact. Special allowance is made for this at the infinity setting.
    Rotate the Rubber grip on the zoom ring to the desired position.
    Zoom Lock Switch
    This lens is also equipped with Zoom Lock Switch to eliminate the zoom creep
    when the lens is tilted down. Please set zooming ring to 18mm and set the
    zoom lock switch to the “LOCK” position. (fig.2)
    The indication of the lens as “1:xx” on a focusing distance scale represent the
    magnification (commonly called the reproduction ratio). For example when you
    are in focus at the “1:3.4” position on the scale, a subject with an actual size of
    3.4cm will have an image size of 1cm on the firm. (fig.3)
    This OS lens effectively compensates for image blurring caused by camera
    shake. Using the Optical Stabilizer function it is possible to get sharp results at
    shutter speeds approximately 4 stops slower than you could without using the
    OS function.
    Set the OS switch to ON (fig.4). Press the shutter button halfway down, confirm
    the image in the viewfinder is stable then take the picture. (It takes
    approximately 1 second to produce a stable image from the time of depressing
    the shutter button halfway).
    Do not use the Optical Stabilizer in the following situations:
    When the lens is mounted on a tripod. When using the camera in Bulb
    The Optical Stabilizer function is powered from the camera. If the OS lens is
    attached to your camera and activated, shooting capacity of your camera will
    be lower than with conventional lenses used with the same camera. If you are
    not using OS, please turn
    switch, in order to prevent unnecessary
    battery consumption.
    Be sure to turn the OS switch to the OFF position before attaching or
    detaching the lens to the camera.
    The OS continues to operate after you release your finger from the shutter
    button, as long as the exposure meter displays the exposure value. Never
    remove the lens or remove the camera’s battery while the image stabilizer is
    operating as this could damage the lens.
    Although the viewfinder image may appear to shake immediately after
    shooting and/or at the start of the flash charge cycle of the camera’s built-in
    flash, it will not cause any effect to the pictures.
    If the lens is detached from camera or the camera power is turned off while
    the OS function is in operation, the lens may emit a chattering noise, but this
    is not a malfunction.
    For Sony and Pentax mounts, it is only possible to use the OS function,
    incorporated in this lens, with camera bodies which support motors driven by
    ultrasonic waves such as HSM. When using the OS function, please turn off
    the optical stabilizer function of the camera body and set the OS switch of the
    lens to ON. When using the camera’s optical stabilizer function, please set
    the OS switch of the lens to OFF and turn the camera’s optical stabilizer
    function on.
    A bayonet type detachable hood is provided with the lens. This lens hood helps
    to prevent flare and ghosted images caused by bright illumination from outside
    the picture area. Attach the hood and turn clockwise until it stops rotation. (fig.5)
    When taking photographs using the built-in flash, it is advisable to remove
    the lens hood so as to avoid cutting off any of the flash output, which could
    cause a shadow in the picture.
    In order to place the lens and hood into the storage case, you must first
    remove the hood, then replace it on the lens in the reverse position. (fig.6)
    Only one filter should be used at the time. Two or more filters and/or special
    thicker filters, like a polarizing filter, may cause vignetting.
    When using a polarizing filter with AF camera, use the “circular” type.
    Avoid any shocks or exposure to extreme high or low temperatures or to
    For extended storage, choose a cool and dry place, preferably with good
    ventilation. To avoid damage to the lens coating, keep away from mothballs or
    naphthalene gas.
    Do not use thinner, benzine or other organic cleaning agents to remove dirt or
    prints from the lens elements. Clean by using a soft, moistened lens cloth
    or lens tissue.
    This lens is not waterproof. When you use the lens in the rain or near water,
    keep it from getting wet. It is often impractical to repair the internal
    mechanism, lens elements and electric components damaged by water.
    Sudden temperature changes may cause condensation or fog to appear on
    the surface of the lens. When entering a warm room from the cold outdoors,
    it is advisable to keep the lens in the case until the temperature of the lens
    approaches room temperature.
    Lens construction 14 – 18 Magnification 1:3.4
    Angle of View 69.3 – 5.7° Filter Size 72mm
    Minimum Aperture 22
    3.1×3.98 in
    Minimum Focusing Distance
    0.45m (1.48 ft) Weight 630g (22.2 oz)
    Dimensions and weight include the SIGMA mount.
    Filter Attachment Thread
    Focus Ring
    Distance Scale
    Focus Index Line
    Zoom Ring
    Focus Mode Switch
    Zoom Lock Switch
    OS Switch
    Lens Hood
Sigma 18-250mm F3.5-6.3 DC OS HSM

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Спецификации на продукта

Марка Sigma
Модел 18-250mm F3.5-6.3 DC OS HSM
Продукт Обектив
EAN 3610170530244, 0085126880545
Език Английски
Вид файл PDF
Система на обектива
Диагонален зрителен ъгъл (макс.) 76.5°
Диапазон на фокусно разстояние 18 - 250мм
Брой елемети изграждащи диафрагмата 7
Минимален номер на блендата 3.5
Компонент за SLR
Структура на обектива 18/14
Тип обектив -
Апертурна скала 3.5 - 6.3
Максимален номер на блендата 22
Най-близко фокусиране
Диагонален зрителен ъгъл (мин.) 6.5°
Интерфейс за монтиране на обектива -
Тегло и размери
Размер на филтъра 72мм
Тегло 630г
Дължина 101мм
Диаметър 79мм
Други характеристики
Увеличение 0.29x
Цвят на продукта Черен
Съвместимост -

Свързани продукти

Обектив Sigma