[Tig] ND filters for projections

Juan Salvo js at grsv.com
Tue Oct 8 19:48:04 BST 2013


Hi Rob,

Thanks for the advice.

I've actually tried the Tiffen as we had a set around. Saw major uniformity
issues, which was what prompted me to ask the TIG. :)  I'm now testing
other brand with somewhat better results. Will update you once I've
evaluated more thoroughly.

Thanks guys.
Juan




On Tue, Oct 8, 2013 at 12:15 AM, Robert Houllahan <rob at cinelab.com> wrote:

> > Do any of you have any insights on what brand/types of NDs work best? The
> > ones I've tested seem to exhibit some troubling uniformity issues.
> >
> > I'm looking for a 1/3-2/3 of a stop reduction. So a .1 or .2.
> >
> > Any advice would be appreciated.
>
> A Tiffen 4x4 or 4x5.65 should be uniform enough I would think? What ND did
> you try?
>
> -Rob-
>
> Robert Houllahan
> VP - Colorist
> HD-2K-3K-4K Data Scans
> 8mm-16mm-35mm Lab
> www.cinelab.com
> rob at cinelab.com
>
>
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