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Thread: Film vs digital for long exposures

  1. #41

    Join Date
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    Re: Film vs digital for long exposures

    Hold on, what about 2 bits, 4 bits, 6 bits a dollar . . . ?

    Rich

  2. #42
    Jac@stafford.net's Avatar
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    Dec 2012
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    Re: Film vs digital for long exposures

    Quote Originally Posted by Corran View Post
    But Jac, 8-bit, 16-bit, or 24-bit? Or perhaps 32-bit floating point??
    I started with programming 16-bit systems in the Seventies. I am still comfortable with 64-bit. No big deal.

  3. #43

    Re: Film vs digital for long exposures

    Quote Originally Posted by Steven Ruttenberg View Post
    It is interesting to note that film photography is immensely more technical than digital. If you could do away with bayer filter so you have 100% rgb channels and a luminosity only channel and make the sensor atleast 4x5 at a reasonable cost. You might have something, but also need to radically reduce thermal noise and other noise types inherent in a digital sensor.

    Since this won't happen in my lifetime, and the fact that I like film for its artistic qualities and skill it requires to be a master at it. I will stay with film. I will still produce art with my digital rig as well, but I prefer film.
    I say the above after having shot digital for almost 14 years now. Before that roll film and medium format once. Even though I learned on film, I never took the time to understand film and light. It was all by trial and error. Going back to film after 14 years digital, I can comfortable say film is a lot more technical and even though both digital and film photographers should understand light, etc, digital makes it easy to not understand. With a little bit of reading, and understanding what the histogram tells you, you can rattle of a half dozen shots and one will be good exposure wise. Then go to photoshop and further "fix" mistakes or oversights due to a lack of basics and unless your totally not artistic in the least, you can get a workable image. Therefore, I say digital is a whole lot easier than film.

    Where digital is forgiving 99.9% of the time, film is not. You have to get everything right the first time, 2nd at most. Even if your not wanting to learn that much the economics of it all forces you to learn all you can. Plus, film still has better resolution. As an example on my 4x5 with a 75mm lens I get an 80.5 degree field of view on the long side, for 36mm sensor I get 27 degree field of view.

    As you know, to get the same field of view requires a 21mm lens, but at the expense of resolution and more distortion to deal with post. Even with a tilt shift lens, which I have 2 of for my 5DMKIII, the 17mm and the 45mm, now three new tilt/shifts to get, but I digress, you get only a limited subset of movements, and they are a little more awkward to use, but same principal.

    The 4x5 has total control and you can do things with it that are almost impossible to do with a full frame digital or almost any other digital. But even doing so, you are left with a much smaller field of view for a given focal length, to keep resolution leading to panoramic shooting, or sacrifice resolution for getting the same field of view. Don't get me wrong, I love digital, but it is a tool like any other tool. Right place, right time.

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