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Sony DT 50mm  f/1.8 SAM, APS-C A-Mount Actual product image
CHF 174.–

Sony DT 50mm f/1.8 SAM, APS-C A-Mount

Specifications

Key specifications

AutofocusYes
Image stabilizationNo
Sensor compatibilityAPS-C / DX

General information

Manufacturer Sony
Product type Lenses
Item number239934
Manufacturer no.SAL50F18.AE
Release date18.08.2010

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.

More information...

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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Normal Lens
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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Sony Alpha
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.

More information...

mm
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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75 mm
Sensor compatibility
APS-C / DX
Number of diaphragm blades
7 x
Filter thread
i

Filter thread

A filter thread is a connecting thread of photo and video lenses for optical filters. This thread is usually located on the front just before the front lens. Most lenses have a separate mount for lens hoods.

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49 mm
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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6
Number of lens groups
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Number of lens groups

Specifies how many groups the lenses are divided into.

5
Optical zoom
i

Optical zoom

A zoom lens is a mechanical assembly of lens elements with the ability to vary its focal length (and thus angle of view), as opposed to a fixed focal length (FFL) lens.

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1 x
Fixed front lens
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

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
Maximum aperture f/
i

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).

More information...

1.80 x

Product dimensions

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Product dimensions

Physical size of an object

Diameter
7 cm
Weight
170 g
Length
4.50 cm

Properties

concentration
Autofocus
i

Autofocus

Autofocus (or AF) is a feature of some optical systems that allows them to obtain (and in some systems to also continuously maintain) correct focus on a subject, instead of requiring the operator to adjust focus manually.

More information...

,
Manual focus
i

Manual focus

It is possible to focus manually. The autofocus is therefore not used.

Durability
i

Durability

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

Metal mount
i

Metal mount

The Lens mount is made of metal.

More information...


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Returns and warranty

Dead on arrival (DOA) 7 Days Bring-in
Warranty 24 month Bring-in
30-day right of return
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30-day right of return

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.

Warranty services

Garantieerweiterung

Garantieerweiterung

Die Garantie wird zu den gleichen Bedingungen wie die Herstellergarantie verlängert.

to 3 years CHF 26.90
to 5 years CHF 32.20

More information about warranty services

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 18.–
2 years CHF 31.–

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

Test reports

85%

Average rating 85%
Number of test reports 1

85%
CHIP Online Single test
Test score 85,2% - gut
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Notice

The test reports shown here are provided by an external source. We have no influence on the product ratings.

Edition 10/2014- Das Festbrennweiten-Objektiv für Sony-DSLRs überzeugt im Test durch eine gute Abbildungsleistung zu einem geringen Preis. Neben der universellen Brennweite punktet das Sony SAL 1.8/50 mm DT SAM mit seiner hohen Lichtstärke. Auf der anderen Seite ist der Autofokus manchmal jedoch etwas ungenau.

Lichtstärke
Preis
Universelle Brennweite
Gewicht
Autofokus manchmal ungenau
Distanzanzeige fehlt

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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Customer questions and answers

The 1 most helpful customer questions


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Customer ratings

Overall rating

Avg. 4.4 of 5 stars


The 3 most useful ratings

User Sphygmomanometer
DT 50mm f/1.8 SAM, APS-C A-Mount

Gleich vorneweg: Dieses Objektiv ist im Einsteiger...

Gleich vorneweg: Dieses Objektiv ist im Einsteigersektor ein sogenannter No-Brainer! Für euch: 5 Sterne!

Fortgeschrittene und Profis werden sich denken können, dass bei f/1.8 die Vignettierung und Verzeichnung deutlich sichtbar werden. Ein, zwei Stufen abblenden bringt aber schon enorme Verbesserungen. Für euch: 3.5 Sterne.

Da das Preis-Leistungsverhältnis aber wirklich beachtlich ist, runde ich auf 4 Sterne auf.
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22.08.2013
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Sony DT 50mm  f/1.8 SAM, APS-C A-Mount Sony DT 50mm f/1.8 SAM, APS-C A-Mount