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Sigma 8-16mm, f/4.5-5.6 DC HSM, Pentax Not categorized
CHF 639.–

Sigma 8-16mm, f/4.5-5.6 DC HSM, Pentax

Specifications

Key specifications

Minimum focus distance24 cm
Image stabilizationNo
Sensor compatibilityVollformat

General information

Manufacturer Sigma
Product type Lenses
Item number238956
Manufacturer no.203961
Release date26.05.2010
External links Manufacturer's site (de)

Colour

Colour group
Black

Camera lens properties

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Camera lens properties

A camera lens (also known as photographic lens, objective lens or photographic objective) is an optical lens or assembly of lenses used in conjunction with a camera body and mechanism to make images of objects either on photographic film or on other media capable of storing an image chemically or electronically.
While in principle a simple convex lens will suffice, in practice a compound lens made up of a number of optical lens elements is required to correct (as much as possible) the many optical aberrations that arise. Some aberrations will be present in any lens system. It is the job of the lens designer to balance these out and produce a design that is suitable for photographic use and possibly mass production.
A lens may be permanently fixed to a camera, or it may be interchangeable with lenses of different focal lengths, apertures, and other properties.

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Lens type
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Lens type

With photo lenses, a further distinction is made according to the angle of view which determines the focal length for a given image format.

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Wide angle lens
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Wide angle lens

In photography and cinematography, a wide-angle lens refers to a lens whose focal length is substantially smaller than the focal length of a normal lens for a given film plane. This type of lens allows more of the scene to be included in the photograph, which is useful in architectural, interior and landscape photography where the photographer may not be able to move farther from the scene to photograph it.

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Lens mount
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Lens mount

A lens mount is an interface — mechanical and often also electrical — between a photographic camera body and a lens. It is confined to cameras where the body allows interchangeable lenses, most usually the single lens reflex type or any movie camera of 16 mm or higher gauge. Lens mounts are also used to connect optical components in instrumentation that may not involve a camera, such as the modular components used in optical laboratory prototyping which join via C-mount or T-mount elements.

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Pentax K
Focal Length APS-C / DX (35mm film equivalent)
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Focal Length APS-C / DX (35mm film equivalent)

In photography, the 35 mm equivalent focal length is a measure that indicates the angle of view of a particular combination of a camera lens and film or sensor size. The term is useful because most photographers experienced with interchangeable lenses are most familiar with the 35 mm film format.

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8 - 16 mm
Sensor compatibility
Vollformat
Number of lenses
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Number of lenses

A lens is an optical device which transmits and refracts light, converging or diverging the beam.

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15
Number of lens groups
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Number of lens groups

Specifies how many groups the lenses are divided into.

11
Zoom function
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Zoom function

The device has a zoom function.

Yes
Internal focusing
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Internal focusing

Internal focusing, abbreviated IF, is a type of lens design in which the distance is not adjusted by shifting the entire lens, but only one or more lenses within the lens. The remaining lenses, especially the front lens, maintain their distance from the image capture plane (filament net, film or image sensor), which does not change the overall length of the lens.

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Yes

Focusing

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Focusing

In geometrical optics, a focus, also called an image point, is the point where light rays originating from a point on the object converge. Although the focus is conceptually a point, physically the focus has a spatial extent, called the blur circle. This non-ideal focusing may be caused by aberrations of the imaging optics. In the absence of significant aberrations, the smallest possible blur circle is the Airy disc, which is caused by diffraction from the optical system's aperture. Aberrations tend to get worse as the aperture diameter increases, while the Airy circle is smallest for large apertures.

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Minimum focus distance
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Minimum focus distance

The shortest distance supported.

24 cm

Diaphgragm properties

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Diaphgragm properties

In optics, a diaphragm is a thin opaque structure with an opening (aperture) at its center. The role of the diaphragm is to stop the passage of light, except for the light passing through the aperture.

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Minimum aperture f/
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Minimum aperture f/

In optics, an aperture is a hole or an opening through which light travels. More specifically, the aperture of an optical system is the opening that determines the cone angle of a bundle of rays that come to a focus in the image plane. The aperture determines how collimated the admitted rays are, which is of great importance for the appearance at the image plane. If an aperture is narrow, then highly collimated rays are admitted, resulting in a sharp focus at the image plane. If an aperture is wide, then uncollimated rays are admitted, resulting in a sharp focus only for rays with a certain focal length. This means that a wide aperture results in an image that is sharp around what the lens is focusing on and blurred otherwise. The aperture also determines how many of the incoming rays are actually admitted and thus how much light reaches the image plane (the narrower the aperture, the darker the image for a given exposure time).

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22 x

Product dimensions

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Product dimensions

Physical size of an object

Diameter
7.50 cm
Weight
0.56 kg
Length
10.57 cm

Properties

Delivery contents
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Delivery contents

The scope of delivery means the included accessories.

Protective case
i

Protective case

A protective cover protects the device from various external influences and thus from unwanted wear.


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Returns and warranty

Dead on arrival (DOA) 10 Days Bring-in
Warranty 30 Years Bring-in
Out-of-warranty repairs Available for a fee.
30-day right of return
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30-day right of return

A minimum of 10% will be deducted from opened products. Unfortunately, we cannot accept a product if it is damaged, incomplete or missing its original packaging.

Returns and warranty

Please use our simplified returns and warranty process to return a product or register a warranty case. Returns and warranty

Please use our simplified warranty process to view the warranty period as well as any warranty extensions you may have purchased. This will ensure that your return or warranty case is processed quickly and effectively.

Insurance

All Risk

All Risk

Insure your device with allrisk by allianz against falls, impact, breakage, screen damage and damage caused by water or humidity. Improper use (call and data misuse) due to theft is also covered. With your purchase, you accept the general terms and conditions.

1 Year CHF 42.–
2 years CHF 71.–

Allgemeine Versicherungsbedingungen Allianz.PDF | 305.75 KB | GermanGeneral Insurance Conditions Allianz.PDF | 302.08 KB | EnglishConditions geneerales dassurance Allianz.PDF | 358.63 KB | FrenchCondizioni generali di assicurazione Allianz.PDF | 353.45 KB | Italian

Availability

Mail delivery/Collection

Product is not ready for sale or temporarily not available. No delivery date known.
Not in stock

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The delivery date is unknown or there is currently no information available. Please enter your e-mail address above if you wish to be notified when the product will be available again. An enquiry with our suppliers usually takes 1–3 days. You will automatically receive a notification regarding the next possible delivery day.

Information subject to change.

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Availability

Mail delivery

  • More than 10 piece(s)
    in our warehouse

Collection

  • Basel: tomorrow at 13:10
  • Bern: tomorrow at 12:15
  • Dietikon: tomorrow at 14:30
  • Geneva: tomorrow at 13:30
  • Kriens: tomorrow at 12:00
  • Lausanne: tomorrow at 15:40
  • St Gallen: tomorrow at 15:30
  • Winterthur: tomorrow at 13:30
  • Wohlen: tomorrow at 11:00
  • Zurich: tomorrow at 12:30

PickMup

If ordered immediately.
Information subject to change.

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Sigma 8-16mm, f/4.5-5.6 DC HSM, Pentax Sigma 8-16mm, f/4.5-5.6 DC HSM, Pentax