In my and most others' experience, the Lee Filters High Temperature line of colors DO last longer and ARE worth the extra cost. (Obtaining product in a timely manner is a totally separate discussion.)
The QotD though (for students only for at least a week) is WHY?
Is the HT media thicker/thinner than the regular? A different substrate? Different, more stable dyes? If it's so great, why not just make all filters out of it?
While everyone is answering, I'll be in my garage playing mad scientist with pieces of R85, L085, and HT085.
http://www.youtube.com/watch?v=ELPSrwBCoz8
The QotD though (for students only for at least a week) is WHY?
Is the HT media thicker/thinner than the regular? A different substrate? Different, more stable dyes? If it's so great, why not just make all filters out of it?
While everyone is answering, I'll be in my garage playing mad scientist with pieces of R85, L085, and HT085.
http://www.youtube.com/watch?v=ELPSrwBCoz8
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