What kind of lense would I need?

Discussion in 'Beyond the Basics' started by Ihaveaquestion, Jun 3, 2005.

  1. Ihaveaquestion

    Ihaveaquestion TPF Noob!

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  2. KevinR

    KevinR TPF Noob!

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    If your close enough, a 50mm prime lens would work good here. If your further away, the fastest 80-200 type lens would work. But where talking big bucks on these lenses.
     
  3. Ihaveaquestion

    Ihaveaquestion TPF Noob!

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    I dont have big bucks :(
     
  4. KevinR

    KevinR TPF Noob!

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    I assuming you won't be close. Because the 50 would be pretty cheap. I just meant the 80-200.
     
  5. Ihaveaquestion

    Ihaveaquestion TPF Noob!

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  6. KevinR

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  7. Ihaveaquestion

    Ihaveaquestion TPF Noob!

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    How close is close?

    I can get in the first row.

    Is that a zoom lense?



    ___

    Is their a cheaper Telephoto lense that would work?
     
  8. Rob

    Rob TPF Noob!

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    You'll probably want something at 100+ mm for this kind of thing, as Kevin suggests an 70-200 would be perfect, but it's going to cost quite a bit to get the level of light (low f-number) that you need without another tradeoff somewhere else.

    Bear in mind that a 50mm lens offers about the same magnification as your eyes; so choose a length of lens which suits the circumstances. The 70-200 is very versatile, but it's going to be more expensive to get the necessary light, so perhaps compromise with a 100mm or thereabouts? I don't like going below about an f2.8 for light purposes, but that's just my opinion. I would probably go for a 100 or 135mm length with about f2 or f2.8 to save cash.

    Example: http://www.bhphotovideo.com/bnh/controller/home?O=productlist&A=details&Q=&sku=12058&is=USA

    If you don't mind grainy images, which should work well with this kind of subject anyway, then choose a film with a large ISO number like 1600 or 3200 and you'll be able to shoot in very low light even with a higher f-number lens.

    Let us know what you think.

    Rob
     
  9. Rob

    Rob TPF Noob!

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    For a person, whole body subject filling the picture:

    A 50mm lens will be about right at about 10-12ft, whereas a 100mm lens will be fine at 20-24ft, 200mm at 40-48ft etc.

    The f4.5 minimum lens you listed in your link will probably be too dark to get the shots in the speed you require.
     
  10. Ihaveaquestion

    Ihaveaquestion TPF Noob!

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  11. Ihaveaquestion

    Ihaveaquestion TPF Noob!

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  12. thebeginning

    thebeginning TPF Noob!

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    It depends on how much you were zoomed in on your P&S for us to know how close that was (looks fairly wide though, so that's pretty close). After seeing your descriptions, i think the 50mm 1.8 would do very well, and the 100mm 2.0 would do even better. Are you shooting digital or film?
     

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