Manual Focus and AF-sensors (Nikon D50)

Discussion in 'Beyond the Basics' started by Polygon, Dec 20, 2005.

  1. Polygon

    Polygon TPF Noob!

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    I was just wondering, if I'm getting some old cheap MF-lense for my Nikon D50, will I still be able to utilize the AF-sensors? I've noticed that on manual focus I still see that little "dot" in the viewfinder once the subject in the selected AF-measurefield is sharp. From a technical view there shouldn't be much of a problem with it, so I'm wondering if anyone every tried it and if it's perhaps disabled in the firmware.

    I could live with the loss of the light meter when using MF (wouldn't shoot "time-critical" stuff with it anyway) but the focus help would be invaluable as it's difficult to check out right where I'm shooting. Thanks your your replies.
     
  2. Artemis

    Artemis Just Punked Himself

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    I think the sensors should work yes...but...are you sure the lenses will fit on your camera?
     
  3. DocFrankenstein

    DocFrankenstein Clinically Insane?

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    I heard Nikon does NOT disable focus confirmation with manual lenses, but I haven't touched their cameras at all.

    Canon won't confirm AF at all, unless you use the AF lenses.
     
  4. hobbes28

    hobbes28 Incredible Supporting Member

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    That's right, the AF indicators will show if you have it in focus in the sensor areas. Just the same as if you are shooting with the switch on the M on the front of the camera.

    And Arty... There is a pretty good chance that if a lens is a Nikon SLR lens, it will fit the mount on one of the DSLRs out today. Good 'ole F mount. ;)
     
  5. Unimaxium

    Unimaxium TPF Noob!

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    It seems from what I've heard that the focus indicator will work with MF lenses on Nikon cams, but I know that on the D50 and D70 the exposure meter will NOT work if you try to use any lens that isn't AF. So while you'll be able to focus, you won't be able to expose. Although with digital cams you always have the histogram function to make sure your exposure is OK I suppose.
     
  6. Polygon

    Polygon TPF Noob!

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    Now that sounds good, thanks a lot for the info!

    I guess I could live with that for non-action shots. Would end in taking a few shots until it's about right and then one in RAW which is finally made right on the PC.

    Do you have any more info about the correlation between the histogramm and exposure (sorry, kinda new to that)? Weblinks also welcome ;-).
     
  7. Unimaxium

    Unimaxium TPF Noob!

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    Perfect timing... user twgreen3 just posted a thread about this. Check it out here:
    http://www.thephotoforum.com/forum/showthread.php?t=37294
     

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