Long Exp. daytime?

Discussion in 'Photography Beginners' Forum' started by RedDevilUK, May 3, 2007.

  1. RedDevilUK

    RedDevilUK TPF Noob!

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    is it possible to do long exposure shots during the day! or do i need some sort of filter.... because when i try, i just get a complete whiteout!! no matter what the settings are :(
     
  2. Sw1tchFX

    Sw1tchFX TPF Noob!

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    You need a neutral density filter, or two.
     
  3. usayit

    usayit No longer a newbie, moving up!

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    SwitchFX is right... ND filters come rated in terms of stops. I personally wouldn't use two ND filters on that relatively wide angle lens you have there. I have a 3 stop ND filter used to obtain a wider aperture for a shallower DOF than possible on a bright sunny day.

    Along the same topic, I really would like to get this:

    http://www.singh-ray.com/varind.html

    but its a bit expensive.
     
  4. CBRfanatic

    CBRfanatic TPF Noob!

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    i like it, just ordered one :) now i need to get an adapter cuz i dont have any lenses that are 77mm
     
  5. Big Mike

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

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    You can't just do a 'long exposure'...you still need to adjust the settings based on the light you are working with...otherwise you will just get a 'white out'.

    First thing to do is to use the lowest ISO setting and a very small aperture...something like F22, F29 etc. Use A priority and set the smallest aperture...that will then show you just how long a shutter speed you can use in that light.

    To get a longer shutter speed (without getting a white out), you would use the ND filters.
     
  6. RedDevilUK

    RedDevilUK TPF Noob!

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    i was trying to take a long exposure of a waterfall, thats were the question comes from.

    cheers mike, and hey usayit... that filter looks cool :)
     
  7. xfloggingkylex

    xfloggingkylex TPF Noob!

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    ND filters, or even a polarizer filter (since they aren't clear glass) are used to prevent some light from entering the lens without effecting color balance. This will alow you the speeds you are looking for. For that nice smooth water look you want something like that.
     
  8. Lars Leber

    Lars Leber TPF Noob!

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    When I take long-exposure water/waterfall photos during the day I usually use a circular polarizer combined with an ND4.
     
  9. RedDevilUK

    RedDevilUK TPF Noob!

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    what filter No. is best, i see a ND8 58mm at the local photo store... is that best or would ND4 be better for all round use?

    Lars, i didnt know you could combine filters?? ummm
     
  10. Sw1tchFX

    Sw1tchFX TPF Noob!

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    Now, there will be times that you're meter wont' work with a ND filter on, what you need to do is meter the scene without one, and than use math to figure out your exposure with however many stop the filter cuts off.
     
  11. RedDevilUK

    RedDevilUK TPF Noob!

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    Sw1tchFX, this is true, but with still life and water, i could re adjust and re take the picture with different settings... so thats not a problem really

    you see where i live, there is a nature reserve (http://www.healeydell.org.uk/)

    it has several waterfalls and i love walking through... so tranquil :) you can be in there for hours and not see another person.

    i wanted to go, pick a good spot, set up my tripod and take some shots... times not really a problem..... i just want to get some great water pictures

    and if im lucky i will get a shot of a Kingfisher too :D
     
  12. THORHAMMER

    THORHAMMER TPF Noob!

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