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Old 22nd July 2021, 10:45 AM
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MartyNL MartyNL is offline
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Default Source of 100x100 GLASS contrast filters

Hi folks,
It's proving to be a challenge for me to find a yellow-green 100x100 (4"x4") contrast filter in GLASS.
I previously used Heliopan but it seems they're no longer available. I've also contacted some of the usual suspects and I'm waiting on responses: formatt hitech, tiffen, Lee. I may try Schott glass directly.

It might just be that the optical qualities/properties of resin filters makes glass redundant, I don't know?

Anyway, any sources would be appreciated.
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Old 22nd July 2021, 11:17 AM
Terry S Terry S is offline
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Is there a particular reason that you specifically want the filter to be glass Marty?

Terry S
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Old 22nd July 2021, 06:25 PM
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Quote:
Originally Posted by Terry S View Post
Is there a particular reason that you specifically want the filter to be glass Marty?

Terry S
No, Terry. It's just that all of my other contrast and nd filters are glass so I was hoping not to change.
Tiffen are the only one at the moment but I'd rather find something on this side of the pond if I can. I've tried contacting Heliopan directly but so far no word.
Lee only has resin.
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Old 22nd July 2021, 06:33 PM
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Linhoff and Studio list the Lee 100mm yellow green for £74. I can’t see if it is glass, but worth a look.
Alex


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Old 22nd July 2021, 06:55 PM
Collas Collas is offline
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According to the Lee Filters site it's resin.

http://www.leefilters.com/index.php/...-white-filters
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Old 26th July 2021, 04:00 PM
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Lee filters are resin, but very good. I am happy with my small set of contrast filters.
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