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Sigma 120-400 mm f/4.5-5.6 APO DG OS HSM

Pictures:
Specifications:
Manufacturer Sigma
Model 120-400 mm f/4.5-5.6 APO DG OS HSM
Lens style Telephoto zoom
Focal length 120 - 400 mm
Maximum aperture f/4.5 - 5.6
Angle of view 20.4 - 6.2 o
Closest focusing distance 1.5 m
Maximum magnification 1:4.2
Minimum aperture 22
Number of diaphragm blades 9
Auto focus type HSM
Lens Construction 21 elements / 15 groups
Filter diameter 77 mm
Macro No
Available mounts Canon EF
Nikon F
Sony A / Minolta
Pentax K
Dimensions 92.5 x 203.5 mm
Weight 1750 g
Additional information Three SLD glass elements
Average rating (7 owners reviews)
Build quality
Optical quality
Value for money

Overall

4.29 Good
Owners reviews (7)
  1. Vortex
    Vortex 18 December 2014, 22:09
    Build quality
    Optical quality
    Value for money

    Overall

    IP 201.200.x.x
    Owner since: 1 year
    Price:
    User profile: Amateur

    Cons: The F that start in 4.5 in 120 and ends in 5.6 Its a little soft in the range of 350 to 400mm

    Pros: Very very good build quality The OS works perfect Opticaly from 120 to 300mm its very similar to a canon f4 L lenses The tripod ring have god desing

    Summary: Its to short the market options to get a 400mm lens with good qualitiy and good performance,with a competitive price, this lens is the best choise to benefits/costs.

  2. Nick Delhanidis
    Nick Delhanidis 9 November 2012, 16:16
    Build quality
    Optical quality
    Value for money

    Overall

    IP 2.85.x.x
    Owner since: 1 month
    Price: 430 euro (
    User profile: Amateur

    Cons: The following probably regard solely my sample as they don't coincide with what i have been reading about this lens. 1 Has a profound backfocus. 2. Sharpest apertures f/11-16 instead of f/8. 3. f/5.6 pictures are unusable. Exceeding the description of soft and described rather as blurry or out of focus. I also don't agree with the total matt finish : it's too delicate. Something like the Tokina AT-X Pro series finish would be way much more better choice in many aspects.

    Pros: OS works well. Build quality.

    Summary: Rather dissapointed with my sample. Too many issues gathered in a single piece. Currently investigating with local sigma authorized service what my options are. If this direction wont fix the issues, i am then replacing it with something else ASAP. The lens appears to have good sharpness potential WHEN i managed to get accurate focus ONLY MANUALLY and only at the sharpest aperture of f/13. So i guess the copies without the whatever problem is with my copy that produces around 2cm back-focus in close focus distance and unusable f/5.6 IQ - sharp peak @ f/11-f/16 should be indeed considered a very decent 400 zoom solution. I have seen acceptable - good (sharpness) pictures even @ f/5.6 from other users.

  3. OD
    OD 11 June 2011, 00:40
    Build quality
    Optical quality
    Value for money

    Overall

    IP 110.138.x.x
    Owner since: 1 year
    Price: $800
    User profile: Amateur

    Cons: Heavy

    Pros: result usable

    Summary: in general this is a swell lens

  4. future418
    future418 31 May 2011, 00:28
    Build quality
    Optical quality
    Value for money

    Overall

    IP 82.30.x.x
    Owner since: 1 month
    Price:
    User profile: Amateur

    Cons: A Canon 70-200 L it is not

    Pros: Good OS Nice Zoom and Manual Focus Rings

    Summary: Overall a great lens for the money but for considersbly less you can purchase a Fuji HS10/20 with 24-740mm zoom that produces remarkable results and is just a percentage of the weight

  5. Gunnar
    Gunnar 23 February 2011, 12:50
    Build quality
    Optical quality
    Value for money

    Overall

    IP 193.203.x.x
    Owner since: 3 months
    Price: 530 GBP
    User profile: Amateur

    Cons: not actually a dream lens when it comes to size and weight ;)

    Pros: very good OS, may very well be the best performing tele-lens in its price range, the IQ is actually better then expected, very nice MF control, feels very well made and smooth

    Summary: a bargain lens for what it does.

  6. Al
    Al 27 October 2010, 00:39
    Build quality
    Optical quality
    Value for money

    Overall

    IP 217.155.x.x
    Owner since: 1 year
    Price: £595
    User profile: Amateur

    Cons: Sharpness of lens at 400mm Cannot use OS when on tripod

    Pros: Can manually override autofocus Very comfortable to use No moving parts when focusing so use on beanbag

    Summary: Excellent lens if a bit heavy. Excellent features for price with HSM and OS. Less sharp at full telephoto. Very good value for money - but the best costs more.

  7. David Hobbs
    David Hobbs 25 October 2010, 08:22
    Build quality
    Optical quality
    Value for money

    Overall

    IP 220.237.x.x
    Owner since: 2 years
    Price:
    User profile: Semipro

    Cons: Images often need sharpening in post processing but respond to same very easily. Much of this may be due to the haze which is often present for distant subjects Needs faster apertures to allow higher shutter speeds

    Pros: Optical stabilisation appears to work very well Satisfactory sharpness No intrusive geometric errors or field use issues to speak of Good solid feel. Nice smooth operation.

    Summary: Not as fast or as sharp as one might have wanted but then it was very reasonably priced. It appears very well built and operates very smoothly. Good (if not brilliant) consistent results - no real optical vices. Good stablisation and feels well balanced in use.

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