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  1. #1
    Join Date
    Sep 2005
    Posts
    31

    Fine tunning auto focus on D300

    I have a D300 + 18-200mm Nikon lens. Iím wanting to fine tune the AF and was wondering what the process is. Do I just follow the steps below?

    1.Go into the fine tuning menu and make one increment adjustment.
    2.Take a picture of a test pattern (or similar) using a tripod.
    3.Repeat steps 1 & 2 above until all possible (-20 & +20) adjustments have been made.
    4.Compare all the images to identify the sharpest one and use that setting.

    Does the above sound right?

    Thanks

  2. #2
    Join Date
    Apr 2008
    Posts
    22
    Try it on something with a lot of detail like money etc. I'd go for 0, +5, +10, +15, +20, then the negative too. When you've done this on a tripod you can fine tune it.

  3. #3
    Join Date
    Dec 2006
    Location
    God's Country - Australia
    Posts
    10,424
    is it missing its focal point ? be careful you dont shift the focus and get it out of whack.
    D800e l V3 l AW1 l 16-35 l 35 l 50 l 85 l 105 l EM1 l 7.5 l 12-40 l 14 l 17 l 25 l 45 l 60 l 75
    flickr

  4. #4
    Join Date
    Mar 2007
    Posts
    2,132
    Nikon D300 | Tamron 17-50mm f/2.8 | Nikkor AF-S 70-300mm VR | Nikkor AF 35mm f/2 D | SB-600 | Lowepro Voyager C | Lowepro Slingshot 300 AW

    For Sale:
    Nikkor AF 35mm f/2 D - Like New (FX compatible)

    Wish List
    Nikkor AF-S 17-55 f/2.8
    Nikkor AF-S 70-200 f/4 VRII
    Tokina AF 11-16 f/2.8
    SB-900 (2)
    Umbrellas
    New Tripod

  5. #5
    Join Date
    Sep 2005
    Posts
    31
    Thanks all.. I'll have a shot at fine tuning this weekend. I don't have any specific issues with the focus, I just want to find out if the camera is performing at it's optimal.

  6. #6
    Join Date
    Apr 2008
    Posts
    22
    Just remember to take note where your settings are before you experiment.

  7. #7
    Join Date
    Dec 2006
    Location
    God's Country - Australia
    Posts
    10,424
    agree with kev. dont screw around too much. use the test chart and first. generally speaking though, if you havent noticed it in your current shots then not really worth it imo. good for an experiment to pass the time is suppose.
    D800e l V3 l AW1 l 16-35 l 35 l 50 l 85 l 105 l EM1 l 7.5 l 12-40 l 14 l 17 l 25 l 45 l 60 l 75
    flickr

  8. #8
    Join Date
    Apr 2008
    Posts
    22
    rooz there are some quite significant gains to be made with this new piece of software in the D3/300 lineup. Certain lenses were to be found at the furtherest end of the scale of some very competent photographers at Fred Mirandas'. The examples that I've seen at 100% crop are quite astounding. From what I've seen I'd recommend it.

  9. #9
    Join Date
    Jun 2006
    Location
    Washington State
    Posts
    439
    I'll have to do that test on my D300 once I get the free time to do it. Too bad they don't have something like those instructions for the D300 AF Fine Tuning function
    Nikon D300
    Nikkor AF-S 17-55mm f/2.8
    Nikkor 80-200 f/2.8 AF-D (70-200mm f/2.8 VR soon)
    Nikon SB600 (SB800 soon)
    Nikon MB-D10 grip
    Sekonic L-358
    Bogan/Manfrotto 055xprob tripod

    Canon AE-1 Program
    Canon FD 50mm f/1.8
    CPC 2x Teleconverter
    CPC Phase 2 CCT 80-200 f/4.5
    CPC Phase 2 CCT 28mm Macro f/2.8

  10. #10
    Join Date
    Dec 2006
    Location
    God's Country - Australia
    Posts
    10,424
    Quote Originally Posted by kev. View Post
    rooz there are some quite significant gains to be made with this new piece of software in the D3/300 lineup. Certain lenses were to be found at the furtherest end of the scale of some very competent photographers at Fred Mirandas'. The examples that I've seen at 100% crop are quite astounding. From what I've seen I'd recommend it.
    really ? i'd like to see some before and afters. i must admit i've never bothered with it cos i havent had any issues with my lens' so far. i did have some issues with my sigma 150mm backfocusing but thats cos i dropped it and i had to have it repaired.

    when i download in raw to viewNX, i hve all my pics at 100% crop view to look for focus and i've never noticed a misfocussed shot so i'm not sure if fine tuning wiould help. but am always open to new evidence which may give me better performance.
    D800e l V3 l AW1 l 16-35 l 35 l 50 l 85 l 105 l EM1 l 7.5 l 12-40 l 14 l 17 l 25 l 45 l 60 l 75
    flickr

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