Re: [APML] Portra 400 UC

[Matt BenDaniel <matt@starmatt.com>]

Don,

I believe that the emulsion would be the same in 35mm and 120 format. So the format shouldn't matter.
I think that the problem with other Portra films has been poor H-alpha (red) sensitivity.

I also wonder if hypering would help.

Matt

At 06:33 PM 11/5/2002 -0800, westergren wrote:
>Matt,
>
>I tried Portra VC 400 when it first came out and I got terrible results on
>actual astrophotos.  I have no experience with Portra UC.  If anyone
>indicates that it may work, I will lab test it up to 4-1/2 hours and give
>you all an evaluation.  I presume that you are shooting 120/220 roll film.
>I can test that size too (and 35 mm).
>
>Don
>
>----- Original Message -----
>From: "Matt BenDaniel" <matt@starmatt.com>
>
>
>> Has anyone tried the new Portra 400 UC film for deep sky?
>> How is its red sensitivity?
>> Is it similar to Supra 400?
>> --
>> Matt BenDaniel

--
Matt BenDaniel
matt@starmatt.com
http://starmatt.com


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