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Specifications

Key specifications

AutofocusNo
SensorkompatibilitätAPS-C / DX

General information

Manufacturer Pentax
Product type Lenses
Item number5796040
Manufacturer no.21567
External links Manufacturer's site (de)

General

Colour
Black

Diaphgragm properties

i

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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Maximum aperture f/
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Maximum 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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4 - 5.60 x
Minimum aperture f/
i

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 - 32 x

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

Bei Fotoobjektiven unterscheidet man weiter nach dem Bildwinkel, der bei gegebenem Bildformat die Brennweite bestimmt.

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Telephoto lens
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Telephoto lens

In photography and cinematography, a telephoto lens is a specific type of a long-focus lens in which the physical length of the lens is shorter than the focal length. This is achieved by incorporating a special lens group known as a telephoto group that extends the light path to create a long-focus lens in a much shorter overall design. The angle of view and other effects of long-focus lenses are the same for telephoto lenses of the same specified focal length. Long-focal-length lenses are often informally referred to as telephoto lenses although this is technically incorrect: a telephoto lens specifically incorporates the telephoto group.

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Focal length
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Focal length

The focal length of an optical system is a measure of how strongly it converges (focuses) or diverges (diffuses) light. A system with a shorter focal length has greater optical power than one with a long focal length.

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50 - 200 mm
Sensorkompatibilität
APS-C / DX
Number of diaphragm blades
6 x
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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11
Number of lens groups
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Number of lens groups

Gibt an, in wie viele Gruppen die Linsen aufgeteilt sind.

10
Zoom function
i

Zoom function

The device has a zoom function.

Yes

Product dimensions

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Product dimensions

Physical size of an object

Weight
255 kg
Length
6.65 cm
Diameter
7.85 cm

Properties

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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Manual focus
i

Manual focus

Es besteht die Möglichkeit manuell zu fokussieren. Der Autofokus wird somit nicht verwendet.

Durability
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Durability

The resistance of a product against outer physical influence (like water, fire, shocks).

Weather sealed
,
Metal mount
i

Metal mount

The Lens mount is made of metal.

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Warranty & right to return

Dead on arrival (DOA) 14 Days Bring-in

Warranty 24 month Bring-in

Limited right of return

Warranty and return

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.

Warranty extension

Warranty extension Bring-in

Warranty upgrade to premium express service

Warranty extension Bring-in

The warranty is extended at the same conditions as the manufacturer warranty.

to 3 years CHF 44.80
to 5 years CHF 57.80

Warranty upgrade to premium express service

The device will be replaced, repaired or refunded within 24 hours.

to 2 years CHF 38.60
to 3 years CHF 84.70 *
to 5 years CHF 101.80 *

* incl. Extension of the warranty
The warranty will be extended for the respective period of time


More information about warranty extensions

Insurance

All Risk by Allianz Global Assistance

All Risk by Allianz Global Assistance

Insure your device against drop, impact, breakage and display damage as well as against damage caused by water or damp. Improper use (call and data misuse) due to theft is also covered. With each purchase you accept the general terms and conditions.

1 Year CHF 31.–
2 years CHF 53.–

Allianz All Risk.pdf | 235 KB | FrenchAllianz All Risk.pdf | 196.83 KB | EnglishAllianz All Risk.pdf | 118.4 KB | ItalianAllianz All Risk.pdf | 124.26 KB | German

Availability

Mail delivery

 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.

Accessories

Hygiene & Cleaning products

Lenspen, Reinigungsstift
CHF 19.90
Hama Lenspen, Reinigungsstift

Overall rating

10

4.3 out of 5 stars

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Availability

Mail delivery

  • 6 piece(s)
    in our warehouse

PickMup

Collection

  • Basel: today at 13:10
  • Bern: today at 12:45
  • Dietikon: today at 14:30
  • Kriens: today at 11:20
  • Lausanne: today at 15:40
  • St Gallen: today at 15:30
  • Winterthur: today at 13:30
  • Wohlen: 6 piece(s)
  • Zurich: today at 12:30

If ordered immediately.
Information subject to change.

View details

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Pentax smc DA 50-200mm / 4-5.6 ED Pentax smc DA 50-200mm / 4-5.6 ED