Sony SAL-50F18 50mm f/1.8 DT AF Lens for & Minolta Digital SLRs

Model #SAL50F18

USA Version
Sony sal50f18 1
Sony sal50f18 1
Sony sal50f18 2
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Filter thread Front: 49 mm
Weight 6.00 oz (170 g)
Dimensions (dxl) Approx. 1.77 x 2.76" (4.50 x 7.01 cm)


Aperture Maximum: f/1.8
Minimum: f/22
Groups/elements 5/6
Angle of view 32°
Focal length 50 mm
Comparable APS-C Focal Length: 75 mm
Maximum reproduction ratio 1:5
Format compatibility DSLR (APS-C Sensor)
Diaphragm blades 7
Minimum focus distance 1.12' (0.34 m)
Magnification 0.20x
Camera mount type Sony Alpha, Minolta AF


Tripod collar No
Autofocus Yes
Image stabilization No
Expert Reviews
What digital camera.32818507
3 August 2010

A very useful lens that performs well and carries a rock-bottom price tag. If I were a Sony user then this lens would simply have to be in my camera bag.

  • +

    Compact and very affordable

  • -

    Non-internal focusing

5 August 2010

Gary Wolstenholme investigates this budget 50mm lens for Sony's range of crop sensor digital SLRs. Sony's DT 50mm f/1.8 SAM lens boasts a smooth autofocus motor (SAM), bright f/1.8 maximum aperture and lightweight construction all for around £145.

  • +

    Lightweight, Quality when stopped down, Cheap

  • -

    Basic design may be off-putting to some, Softness at maximum aperture, AF hunts occasionally

Pop photo.32824722
21 October 2009

Sony shooters committed to the APS-C-sized sensor have a new fast 50 to consider. Launched alongside Sony's latest entry-level DSLRs (including the Alpha 380 ), it gives everyday shooters the benefits of limited depth of field without breaking the bank.

User Reviews
B h photo.32817553
8 November 2015

This lens is the best! I would say the system is 90% accurate, but quit quick too. Nice and small. Excellent bokeh! Don't let the low price fool you this is a very nice lens.

  • +

    Easily Interchangeable, Lightweight, Nice Bokeh

  • -

    Weak Casing

26 May 2015

Learned a lot from this lens when it comes to composing and shooting objects. With that said, this lens like everyone says is perfect for low light and/or shooting objects, nice bokeh etc.

  • +

    Lightweight, Portability, Sharp, Street, Versatility

  • -

    Not A True 50 On Aps Duh, Plastic

18 February 2015

This lens is great. The f1.8 aperture allows more light to enter allowing for slower shutter speeds and better lighting. The prime lens sometimes gets awkward when trying to take photos from an intermediate distance, but that is the trade off with a prime lens.

  • +

    Great clarity. Better lighting.

  • -

    Because it's a prime lens, it cannot zoom in or out. This isn't really a problem, just a consideration.

13 July 2015

Color, crispness, clarity are all great, even in low light settings. Lots of flexibility when playing with the focal plane. The autofocus is fast enough and pretty accurate. For the price, this lens is a bargain.

16 February 2015

Biggest complaint: The flash in this kit is NOT compatible with Sony Alpha 65 camera. Not sure why it's offered in a kit with a Sony alpha lens (?). Small complaints: the lens cleaning kit is too large to fit easily in a regular sized camera bag. The diffuser is cheaply made, won't last long.

Review us shopping com.33655990
25 December 2012

One of the best lenses that I have ever owned. This lens is the least expensive 50mm offered by Sony. By using this lens you will be able to take great picture in low light condition, and if you are into portrait photography this lens is a must have if you are looking for a capable portrait lens...

  • +

    -Perfect price. - Good focal length. - low light capability.

  • -

    - Build quality is a bit plastic. - Slow and noisy Auto focus.

13 July 2013

I bought this lens because I really wanted a portrait lens with a wide aperture, and I was very excited to get it. But upon buying it, I've noticed that pictures I've taken where my subject is in direct sunlight or is backlit, are subjected to EXTREME color fringing.

  • +

    Great depth of field

  • -

    Color fringing

2 May 2012

I use the lens for close up shots or just shooting for fun. <br />I like the fact that this lens is good for natural setting photos and great for doing people candids. <br />It takes a quick minute for the auto-focus to acquire the target, but a very good lens.

  • +

    Consistent Output, Durable, Easily Interchangeable, Fast / accurate auto-focus, Lightweight, Rugged, Strong Construction

  • -

    Slow Focus

Product Highlights
  • 35mm Equivalent: 75mm
  • Aperture Range: f/1.8-22
  • For DT Alpha & Minolta DSLRs
  • Optimized for APS-C Image Sensors
  • Smooth Autofocus Motor (SAM)
  • Extra-Low Dispersion (ED) Glass
  • 7x Circular Aperture Blades
  • Filter Diameter: 49mm
Average Expert Score
Average User Score
In The Box
  • Sony 50mm f/1.8 DT Alpha A-Mount Standard Prime Lens
  • Front Lens Cap
  • Rear Lens Cap
  • Limited 1-Year Warranty
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