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  1. #11

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    Thanks Andy, But I think I am going to get the Heliopan wide angle screw in. I like those better.
    A negative, can always be turned into a positive.

  2. #12

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    Quote Originally Posted by David A. Goldfarb
    Heliopan filters come standard in thin rings, and B+W make wideangle filters with thin rings. The numbering system is different for B+W. A #15 filter should be about the same as a B+W 023 filter. Heliopan #15 is also called "Dark Yellow."
    I find myself a little confused... I spot meter through a tiffen #15 deep yellow filter, so I want to find the equivalent of that in a Heliopan I have found a dark medium yellow #12, and a dark yellow #15. But my tiffen says deep yellow. The wording is confusing me. I just need to match up the filter densities
    A negative, can always be turned into a positive.

  3. #13
    David A. Goldfarb's Avatar
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    If you check www.heliopan.de, you can find the densities (in German, but not too hard to figure out, even if you don't know German). I think a Tiffen 15 and a Heliopan 15 are about the same. If the goal is to match the filter on your lens to the filter on the meter, you might just get Heliopan filters for both. They are excellent filters though not cheap.
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  4. #14
    roteague's Avatar
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    Quote Originally Posted by Andy K
    I have the A system, I wouldn't call them 'gel'. Many of the filters are made from mineral glass.
    The P system is pretty much the same as the A System but is for larger diameter lenses and lenses with focal lengths below 35mm.
    I actually prefer the A system to screw in filters as I can leave the adapters on my lenses and just switch the filter holder when I change lenses. I can also stack up to four filters without any vignette.
    You are right Andy. I have a Lee system myself - much better made than the Cokin system, but a lot more expensive. I also like that the Lee system is manufactured in the UK.
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  5. #15

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    Quote Originally Posted by David A. Goldfarb
    If you check www.heliopan.de, you can find the densities (in German, but not too hard to figure out, even if you don't know German). I think a Tiffen 15 and a Heliopan 15 are about the same. If the goal is to match the filter on your lens to the filter on the meter, you might just get Heliopan filters for both. They are excellent filters though not cheap.
    That is good advise David, I am going to get one for my meter, and for my lens. That way there won't be any question. But I should probably run new film speed, development tests. Thanks for your help.
    A negative, can always be turned into a positive.

  6. #16
    Andy K's Avatar
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    Quote Originally Posted by roteague
    You are right Andy. I have a Lee system myself - much better made than the Cokin system, but a lot more expensive. I also like that the Lee system is manufactured in the UK.
    Man do I envy you! I checked out the Lee system a few months ago but found the cost prohibitive (for me) thats why I went with Cokin, I find the Cokin A system easier and more convenient than screw in filters, and as yet I have found no problems with quality. The only downside is they're French!


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