Super-wide (D700 and Sigma 12-24)

Discussion in '35mm Cameras' started by Paul Furman, Sep 4, 2008.

  1. Paul Furman

    Paul Furman Guest

    A few shots with my new D700:
    http://edgehill.net/California/Bay-Area/San-Francisco/gritty/9-3-08-mission/pg1pc2
    I don't think any other lens goes as wide in a rectilinear projection as
    the Sigma 12-24 full frame for an SLR and it's pretty good. The corners
    do get soft at the very end, not obvious on this one, original file:
    http://edgehill.net/1/California/Ba...2008-09-03-mission/full-set/crop/_0000058.jpg
    Barrel/pincushion is almost perfect though it's hard to frame straight
    hand held, some of those are cropped or perspective corrected in
    photoshop but it is possible to use this setup to make nice photos; not
    necessarily always a total freak show.

    Now to saw the hood off the 10.5mm DX fisheye for a greater than 180
    degree view (almost) circular fisheye (cropped on the top & bottom).

    I'm going to be bummed shooting telephoto though on un-cropped full
    frame so the D200 will remain for that.

    --
    Paul Furman
    www.edgehill.net
    www.baynatives.com

    all google groups messages filtered due to spam
     
    Paul Furman, Sep 4, 2008
    #1
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  2. Paul Furman

    Paul Furman Guest

    Well that was pretty easy. Here's a test shot at various apertures:
    http://edgehill.net/Misc/photography/9-4-08-fisheye-view/pg1pc3

    There is some CA in the crops which I adjusted out in adobe raw
    converter. There's also some purple ghosting when stopped down past f/8
    but still amazing flare resistance, considering. This shot doesn't
    really test edge sharpness (focus at infinity with foreground in the edges).

    Here's a DX crop to compare:
    http://edgehill.net/Misc/photography/9-4-08-fisheye-view/pg2

    The method for removing the shade is from a youtube tutorial but I
    didn't bother with tape, only the aluminum can trimmed with scissors and
    slipped firmly into the slot inside the hood to protect things when
    cutting off with a hacksaw. Cut off enough that it comes out in one
    piece then I used wire cutters to shorten the large parts of the shade &
    put that in the lens cap for a spacer.

    --
    Paul Furman
    www.edgehill.net
    www.baynatives.com

    all google groups messages filtered due to spam
     
    Paul Furman, Sep 4, 2008
    #2
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  3. Paul Furman

    Noons Guest


    Lovely lens, that 12-24Sigma! Got one last year and
    have never regretted it: works great in both DX and FX.
    Sure: corners can get soft, but I'll live with that to get
    the extra perspectives:
    http://wizofoz2k.deviantart.com/art/tight-entrance-68890650
    http://wizofoz2k.deviantart.com/art/the-wall-of-shame-68334597
    http://wizofoz2k.deviantart.com/art/wiiiiiiiiiide-68335054
    http://wizofoz2k.deviantart.com/art/giant-stick-insect-68334357
    (click on images to get larger size)

    Hehehe! A daring man indeed!
    I like it!
    Thanks a lot for sharing.
     
    Noons, Sep 5, 2008
    #3
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