lens questions

Discussion in 'Photography Equipment & Products' started by iknowdatalfabat, Jul 14, 2008.

  1. iknowdatalfabat

    iknowdatalfabat TPF Noob!

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    I want a fisheye, micro/macro, and a better zoom.
    I wanna sell my 18-55mm zoom and get maybe an 18-200mm telephoto zoom. But I've heard that you get best quality out two different zoom lengths instead of one big one.
    Also, I want a fisheye but can't decide between a 10.5mm Nikkor or a 10mm Sigma. I've been told the Nikkor is better but I do not know why. I know that since I have a Nikon D40 the Nikkor will not autofocus on it because of the AF-S, but the Sigma will cause it has an autofocus motor on the inside. If the Nikkor is better I would get that because in the future it would be able to autofocus on that camera and I could just deal with manual until then. But if the Sigma is better I have no problem.
    And I know absolutely nothing about micro/macro lenses so I don't know what to save up for. I guess I want the best... haha.
    Thanks.
     
  2. icassell

    icassell TPF Noob!

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    Just curious ... Are you sure you want a fisheye rather than an ultrawide (like the Sigma 10-20)? Alot of folks I know got bored with the fisheye and they are expensive. Then again, some really like it.

    Here's a 10-20 gallery if you're interested : http://www.10-20mm.com/
     
  3. iknowdatalfabat

    iknowdatalfabat TPF Noob!

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    Wow, that looks really nice.. I don't know. Let me get this straight, that gives the same effect as a fisheye and zooms. I can't tell.
     
  4. icassell

    icassell TPF Noob!

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    It gives an ultrawide angle view and very deep depth of view without that 'fisheye' effect. It is a zoom, so it goes from ultrawide (10mm) to moderately wide (20mm). Personally, I find it more useable than a fisheye. Canon makes one (10-22mm) and I'm sure Nikon makes one too if you don't want the Sigma (but I love my Sigma).


    I have found that photosig.com is a great place to compare lenses


    http://www.photosig.com/go/photos/browsecategories?typeId=7
     
  5. iknowdatalfabat

    iknowdatalfabat TPF Noob!

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    I skateboard take pictures of it. Would an ultra-wide lens give this sort of effect?
    [​IMG]
     
  6. Easy_Target

    Easy_Target TPF Noob!

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    I think that might be fisheye, rather than ultra wide.
     
  7. iknowdatalfabat

    iknowdatalfabat TPF Noob!

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    Yeah I know that it is. I just cannot tell the difference between the two.
     
  8. Bifurcator

    Bifurcator TPF Noob!

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    Last edited: Jul 14, 2008
  9. iknowdatalfabat

    iknowdatalfabat TPF Noob!

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    So, ultra wide has the same effect as fisheye but distorts it less?
     
  10. Bifurcator

    Bifurcator TPF Noob!

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    As the common usage (or misusage ;)) seems to go I would say that's correct. But since it probably is actually a misusage people will use the term differently for some idea they have of what fisheye is - or "means to them". I guess the confusion comes from the two terms "Fisheye lens" and "Fisheye effect". <shrug>
     
  11. iknowdatalfabat

    iknowdatalfabat TPF Noob!

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    Fisheye lenses are typically the most used lenses in skateboarding but I really liked the ultra wide lenses pictures too. So now I really don't know what to save for.
     
  12. Bifurcator

    Bifurcator TPF Noob!

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    Well, go for what you like. That's the important bit. Don't worry about what it's called. One thing to keep in mind is that you can add curves to an image more easily than you can remove them. So if you have a flatter (more corrected) lens you can always add the curves if you want later. (you can remove them too though - just to keep you as confused as possible :D)


    [​IMG][​IMG]
    Curves added (left) to a nearly perfectly flat image (right). ​
     
    Last edited: Jul 14, 2008

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