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Sony DT 50mm AF f/1.8 SAM (SAL-50F18)

by Sony
| 7 answered questions

RRP: £143.52
Price: £103.99
You Save: £39.53 (28%)
Only 2 left in stock.
Dispatched from and sold by Camera Centre UK.
13 new from £92.00 2 used from £77.96
  • Wide aperture DT 50mm F1.8 lens with smooth autofocus motor
  • Standard prime lens
  • A-mount, APS-C
  • Smooth Autofocus Motor

Frequently Bought Together

Sony DT 50mm AF f/1.8 SAM (SAL-50F18) + Wireless IR Infrared Remote Control for Sony Alpha A230,A290,A330,A380,A390,A450,A550,A580,A700,A850,A900,A33,A55,A57,A65,A77,A99,NEX-5 NEX-5n,NEX-6,NEX-7,Milnolta DSLR as IRMT-DSLR1
Price For Both: £105.97

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Product details

  • Product Dimensions: 4.5 x 7 x 4.5 cm ; 168 g
  • Boxed-product Weight: 454 g
  • Item model number: SAL50F18.AE
  • ASIN: B002CQB4J6
  • Date first available at Amazon.co.uk: 9 July 2009
  • Average Customer Review: 4.8 out of 5 stars  See all reviews (70 customer reviews)


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Product Description

Product Description

Compact, high quality, wide aperture portrait lens
  • 35mm equivalent focal length when used with APS-C sensor camera: 75
  • Lens Groups-Elements: 5-6
  • Angle of View, attached to APS-C-format camera; degrees: 32
  • Aperture Blades: 7
  • Circular Aperture: YES
  • Min. Aperture: 22 Min.
  • Focus (shortest distance from image sensor to subject): m 0.34
  • Max.Magnification: 0.2
  • Filter Diameter: mm 49
  • Dimension (Max. Diameter x Length): mm 70x45
  • Weight (approx.): gr 170

Customer Questions & Answers

Customer Reviews

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Most Helpful Customer Reviews

48 of 49 people found the following review helpful By T. Crinson on 12 April 2010
I just bought this lens for a friends wedding to take some nice portrait shots. It was a bit of an impulse buy as I bought it the day before the wedding so had no time to practice with it, and as this was my first prime lens I didn't want to splash out too much. Wow. I am so glad I got this lens. The pictures turned out beautifully. The f/1.8 worked brilliantly in the low light conditions at the reception and it remained very fast so there was no motion blur in the portraits; nor in the smoke from the cigars they were smoking!

Some of the other reviews have said about there being too much "Bokeh" ( the nice blur of the photograph out of the main area of focus ) and I disagree, I think there is a pleasing level of it and it makes for some lovely effects, but this is subjective.

I do agree with another reviewer about it feeling plasticky, but it doesn't feel flimsy, but I wouldn't treat it any less carefully than any other lens because of it.

Since purchasing this lens it hasn't been off the camera and I think I will have a great time learning the ins and outs of prime lens photography.

For reference it's fitted to my Sony Alpha 300.
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18 of 19 people found the following review helpful By Mr. G. Manning on 29 Mar 2010
I've had mine 4 months now and have taken the best pictures ever with this lens. The depth of field / blur you can create is great and it allows you to shoot in lower light than the kit lens (assuming yours starts at f3.5 like mine). Since using it I've moved away from opening it right up at f1.8 (as others have mentioned) because it can be a bit soft but some of the pictures I've taken have got great praise in online forums and my Flickr pages. I think every photographer needs a 50mm prime in their case. If I had the money, maybe I may have bought the f1.4 but I don't think you really need to. The auto-focus seems fast enough, not noticed it being noisy and because it's smaller than a zoom, you can get away with taking pictures in public without sticking out like a sore thumb. I haven't noticed that the build quality feels cheap - just like any of your kit, be careful with it and it will last. I've only taken it off the camera twice this year and put it back on within 10 minutes because it's so much better than my kit lens. Only problem is, once you try a faster lens, you'll want to spend even more on a large aperture zoom and that could hurt your wallet !
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26 of 29 people found the following review helpful By A. Styles on 9 Oct 2010
Verified Purchase
When I bought this lens I was looking at doing some portraits of my other half and her sister. It turned out to be the right choice.

This lens is a prime lens which means the image quality is better than most zooms would be at 50mm focal length. CA, pincushioning, and vignetting are not noticable on my example (on a Alpha 500 body). The autofocus is very quick and accurate and works quite well in low light compared to most other lenses, and the lenses' overall low light performance is pretty good. You do not tend to get the 'hunting' focus problem so much with this lens. The aperture of f1.8 is good at focusing out your background which really helps if the background to your subject is cluttered or distracting. It also tends to soften the subject a tad but in a pleasing way as though you are intending to. This can be cured if it is not desired by moving the aperture to f2 onwards.

On the downside on this lens the manual focus ring is tiny and doesn't lend itself too well to being used for that purpose which is a bit of a pity. Also, this lens has a diameter of 49mm which means if you have a Sony kit lens and you have some filters for it they won't fit unless you buy an adaptor ring as they tend to be 55mm diameter.

This is a good performer for this price and I recommend it if you are planning to start taking portraits.
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2 of 2 people found the following review helpful By Mr Baz #1 REVIEWER#1 HALL OF FAME on 23 Jan 2013
For the asking price (around £90 odd at the time of this review) this is quite a decent little lens.
In many way similar to the Canon 50mm f1.8 the lens is pricey cheaply with a few downsides but nothing that is too scary at this price point.

I'll kick off with the bullet list of pros and cons, I've used about 3 copies of this lens over various time periods and did not notice any significant differences between the lenses.

+ Well priced, for under £90 you get a fast prime for low light work/depth of field control
+ Optics are good, decent performance wide open (ie usable at f1.8)
+ Distortion is minimal and unlikely to cause a problem
+ Nice out of focus redering mostly pleasing (subjective but that's my take)
+ Some vignetting but not that bad really better than average for an APS-C lens

- It is cheap but the build quality isn't anything to get excited about, plastic mount and casing are expected but I think the feel of the lens could be better (ie more density to the plastics) Not a deal breaker, nor would I be overly concerned about durability if you look after your lenses.
- CA can be an issue it does improve a bit stopping down but it's seen esp on out of focus areas. Not unusual for a fast prime lens just something to note
- SAM in lens motor has no real advantage over screw drive though the AF accuracy seems fine here. It's a little quieter than screw drive lenses but not silent. Focus ring is very small and a basic painted distance scale.
- You cannot use DMF (if your camera supports it) with the SAM lens motor
- APS-C only. Strange move by Sony on this as most makers have their f1.8 50mm primes as full frame lenses.
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