Point of concerning about lens characteristics

Discussion in 'Photography Equipment & Products' started by IronMaskDuval, Feb 1, 2016.

  1. IronMaskDuval

    IronMaskDuval Been spending a lot of time on here!

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    So what's the point of worrying about things like contrast and so forth if you can adjust in post? I'm curious since I only use old lenses now, and many of the renown ones are equal on sharpness but not on contrast. Just curious.


     
  2. 480sparky

    480sparky Chief Free Electron Relocator Supporting Member

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    Any editing done in post removes data. Less data = lower image quality.
     
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  3. IronMaskDuval

    IronMaskDuval Been spending a lot of time on here!

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    Thanks
     
  4. astroNikon

    astroNikon 'ya all Bananas I tell 'ya Supporting Member

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    Contrast also helps the AutoFocus system to operate quickly and accurately.

    I had a Nikon lens in the past which is a highly used lens with good characteristics.
    But it had a contrast issue, which made it not so good for sports that had busy backgrounds as it would want to focus on the higher contrast item in the frame, which usually wasn't the person the Single Focus point was on.
     
  5. Ornello

    Ornello TPF Noob!

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    It doesn't work that way.
     
  6. Solarflare

    Solarflare No longer a newbie, moving up!

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    What lenses are you talking about ?

    AFAIK old lenses dont necessarily lack in respect to contrast ?
     
  7. astroNikon

    astroNikon 'ya all Bananas I tell 'ya Supporting Member

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    Exactly,
    this discussion has to be to a specific lens to a specific camera body.

    My old Nikon 75-300 AF was a great lens on a D70. It was pretty good on a d7000.
    but when I used it on my d600 it was like WTF image-wise.

    it just could not resolve detail for higher density sensors even though technically the d7000 was higher density than the d600. Something from decades ago just wasn't designed for today's technology (in this example). The 75-300 images seemed like it had permanent haze filters stacked on the front, like shooting through a fog and expecting a detailed shot. All I know is after some brief testing I sold the lens. At that time, I also knew nothing about fine focus adjustments - but it was the "haze" that was distracting.

    So one has to ask which lens, to which camera body (sensor) to have more specifics.
     

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