Am I using incorrect lenses for digital camera?

Discussion in 'Digital Discussion & Q&A' started by Markus, Feb 12, 2008.

  1. Markus

    Markus TPF Noob!

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    Please look at my signature to see my lenses. They came with my D70s as a kit. Someone told me these were for film cameras and that on a digital camera I was not getting the true mm. Is this true?. And how can you tell if a lens is meant for a digital camera as apposed to a film camera. Oh yea, he said it had to do with the size of the digital sensor being a different size than a 35mm film frame. Seemed to make sense to me when he explained it. I guess what I'm asking is, do I need to get a new lens.
     
  2. Sw1tchFX

    Sw1tchFX TPF Noob!

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    You don't have to do anything.

    Your 28-80, is still physically 28-80mm, however, the size of your sensor, since it's smaller than a slide of 35mm crops it to what makes it act more like a 42-120mm
     
  3. Markus

    Markus TPF Noob!

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    Thanks for the response. In that case though if in close spaces like indoors when trying to get a lot of people in the scene or getting a shot of a room I would be losing a lot of the picture, correct? So I probably should add a smaller mm lens to my collection? Just to have a little more versatility. What would you recommend? Isn't an 18mm lens often recommended for the d70s? Also how does one tell a lens that would give true mm rating for a digital camera. Do they have a certain designation or numbering system. Hope these questions aren't to dumb. :)
     
  4. Steph

    Steph No longer a newbie, moving up!

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    Do a search (on this forum or Googgle) for 'crop factor' and eveything should become clear.
     
  5. Markus

    Markus TPF Noob!

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    Will do, thanks.
     
  6. Sw1tchFX

    Sw1tchFX TPF Noob!

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    whatever the focal length of the lens * 1.5 = perceived focal length.

    Any F-mount lens is recommended for a Nikon camera. 18mm on APS-C digital is about the start of a wide angle, 12mm and 14mm is wide.
     
  7. Big Mike

    Big Mike I am Big, I am Mike Staff Member Supporting Member

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    Mount the lens on the camera, look through the viewfinder. What you see is what you get.

    If you want to see more, get a wider (shorter) lens.
     
  8. D-50

    D-50 TPF Noob!

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    Well said mike. An 18mm will not work "any better" on your d70 than a 200mm. They will work the same.
     
  9. Markus

    Markus TPF Noob!

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    Ok, thanks guys, appreciate it.
     

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