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Testing a Sigma 400mm 5.6 lens

Discussion in 'Exhibition Lounge' started by Roger_Provins, May 4, 2008.

  1. Roger_Provins

    Roger_Provins Well-Known Member

    After much searching I finally found a Sigma 400mm f5.6 macro lens. I've been after one of these for a long while but they're like hen's teeth and particularly so in the the mount I wanted (Minolta AF). Anyway I finally got one in immaculate condition and still in it's original box. Here is a test photo (full frame) taken hand-held from about 15 yards 1/300th at 5.6 (wide open) ISO400.


    ... and here is 100% crop portion

  2. John_Baker

    John_Baker Well-Known Member

    Hi Rog – nice find, it is great when you can finally get what you want. These are both looking a little light on my monitor, but you can really see the quality coming through, there is excellent detail in the second enlargement – you are going to have some fun!!! I look forward to seeing some more of these... :D
  3. Overread

    Overread Well-Known Member

    ^^ I agree with John - a little overbright but superb detail - another hoping to see more!
  4. Roger_Provins

    Roger_Provins Well-Known Member

    .. yes does look a bit on the light side, here's a dark version ... :)

  5. Steve52

    Steve52 Well-Known Member

    Good pics Rog.

    What's the advantage/disadvantage with this over the Sigma 170-500mm f5-6.3 APO lens?
  6. Overread

    Overread Well-Known Member

    Well firstly the 400mm is a prime as opposed to the 170-500 which is a telezoom. When you get a telezoom is a compramise, the zoom will cover a range of focal lengths and something like the sigma you state or the canon 100-400 allow a person to have a single lens for almost any shot -you just twist or push the lens into hte right length for the shot. The down side is the to accomodate this the telezoom has to have more glass inside it to allow it to have the ranges, hence there is more glass between the subject and the sensor - hence when you compare a prime to a telezoom at the range of the prime (when the 2 lenses are of a similar build quality) the prime will give better results than the telezoom. (less glass less between the subject and the sensor)
  7. datawise

    datawise Well-Known Member

    Looks like a great lens! I'm sure you'll have loads of fun with that...

  8. lozzy

    lozzy Member

    hi,great close up love how you captured the bird looking straight ahead, hopefully getting some of my bird on here soon
    lozzy, ;)
  9. Gordon_McGeachie

    Gordon_McGeachie In the Stop Bath

    I have the non macro version of this lens and it too gives great results.

  10. Steve52

    Steve52 Well-Known Member

    I too have the non macro version and was really pleased with this. I'd go as far to say that I prefer it to my 170-500mm.

  11. Monobod

    Monobod Phantom of the forum

    Is/was this available in a Pentax fit?

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