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Sigma 18-50 mm f/2.8-4.5 DC OS HSM

Pictures:
Specifications:
Manufacturer Sigma
Model 18-50 mm f/2.8-4.5 DC OS HSM
Lens style Universal zoom
Focal length 18 - 50 mm
Maximum aperture f/2.8 - 4.5
Angle of view 69.3 - 27.9 o
Closest focusing distance 0.3 m
Maximum magnification 1:4.1
Minimum aperture 22
Number of diaphragm blades 7
Auto focus type HSM
Lens Construction 16 elements / 12 groups
Filter diameter 67 mm
Macro No
Available mounts Nikon F
Sony A / Minolta
Sigma
Pentax K
Canon EF-S
Dimensions 74 x 88.6 mm
Weight 395 g
Additional information
Average rating (10 owners reviews)
Build quality
Optical quality
Value for money

Overall

3.97 Average
Owners reviews (10)
  1. Mr Sorry
    Mr Sorry 11 March 2015, 23:18
    Build quality
    Optical quality
    Value for money

    Overall

    IP 80.61.x.x
    Owner since: 1 month
    Price: €200
    User profile: Amateur

    Cons: Min distance, poor image quality, rattling sounds.

    Pros: None

    Summary: Very bad lens.

  2. tigercat
    tigercat 11 July 2013, 08:38
    Build quality
    Optical quality
    Value for money

    Overall

    IP 153.96.x.x
    Owner since: 3 years
    Price: 220 EUR
    User profile: Amateur

    Cons: Soft in the corners at 18 mm.

    Pros: Well built, OS and very nice handling. Lens hood included. Fast and precise AF. Optically sound above 24mm. Good contrast and colour. Faster than kit lenses.

    Summary: Excellent value for the price paid.

  3. phototaxi
    phototaxi 3 May 2011, 10:19
    Build quality
    Optical quality
    Value for money

    Overall

    IP 89.204.x.x
    Owner since: 1 year
    Price: 200€
    User profile: Professional

    Cons: a lot of optical disadvantages, if you use this lens outdoor at 18 or 50mm wide open, ok from 24 too 35mm

    Pros: but my standard studio lens between 24 and 35mm at f8 too f11, best handling, no extension, stabilisized and fast and excact AF

    Summary: best value if you look for a studio lens between 24 and 35 for aps-c (except productfotos)

  4. ra96099
    ra96099 15 February 2011, 18:42
    Build quality
    Optical quality
    Value for money

    Overall

    IP 212.198.x.x
    Owner since: 1 year
    Price: 190EUR
    User profile: Semipro

    Cons: Corner sharpness, variable aperture

    Pros: Stabilizer, F 2.8..

    Summary: Excellent center sharpness, absolute best stabilized lens for the money!

  5. mrggregg
    mrggregg 13 February 2011, 05:04
    Build quality
    Optical quality
    Value for money

    Overall

    IP 74.111.x.x
    Owner since: 6 months
    Price: $200
    User profile: Semipro

    Cons: A bit soft at 18mm@2.8, but can sharpen up in Photoshop

    Pros: Hard to beat for the money, I use on both my 20D and T2i, am very satisfied

    Summary: Great buy

  6. Paul
    Paul 24 December 2010, 12:57
    Build quality
    Optical quality
    Value for money

    Overall

    IP 62.203.x.x
    Owner since: 1 year
    Price: CHF 275
    User profile: Amateur

    Cons: Prone to flaring with pictures into the sun or with night pictures with bright lights

    Pros: Excellent build quality Accurate ultrasound autofocus Reasonable stabilisation Landscape shots f2.8 at 17mm

    Summary: 1700 pictures taken. Great for landscapes. Given the price a very good lens

  7. zhjlin
    zhjlin 4 November 2010, 00:18
    Build quality
    Optical quality
    Value for money

    Overall

    IP 67.181.x.x
    Owner since: 1 year
    Price: $200
    User profile: Amateur

    Cons: color fringing at 18mm-21mm, corner softness at wider focal range, 18mm @ f2.8 isn't sharp enough, only 50mm zoom end, focus ring feels loose, slight vignetting,

    Pros: fast, quiet HSM, accurate AF, smooth damped zoom ring, self contain zooming, no extension, great build quality with solid feel, comes with a nice lens hood, great pictures at all focal range @ f4 to F11, no flaring issues,

    Summary: a very good upgrade from the kit 18-55mm kit lens. useful f2.8 for low light situation, and only f4.5 at tele end, great solid construction, very accurate fast AF HSM. great buy and good optics for $200

  8. ojikame2
    ojikame2 16 October 2009, 19:37
    Build quality
    Optical quality
    Value for money

    Overall

    IP 61.114.x.x
    Owner since: 1 month
    Price:
    User profile: Amateur

    Cons:

    Pros:

    Summary: sorry, very small dist.

  9. ojikame
    ojikame 16 October 2009, 19:29
    Build quality
    Optical quality
    Value for money

    Overall

    IP 61.114.x.x
    Owner since: 1 month
    Price: 190 us dol
    User profile: Amateur

    Cons: very small dist. inner zoom at this price band.

    Pros: its value lens per cost.

    Summary: at ex-wide, very short compare with camera maker.

  10. calli22
    calli22 22 September 2009, 04:33
    Build quality
    Optical quality
    Value for money

    Overall

    IP 86.73.x.x
    Owner since: 1 month
    Price: 330eur
    User profile: Amateur

    Cons: image quality

    Pros: Price, stabilisation, aperture

    Summary: image quality are very poor compare to the sigma 50-150 f2,8

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