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Re: [OM] Fireworks

Subject: Re: [OM] Fireworks
From: "John A. Lind" <jlind@xxxxxxxxxxxx>
Date: Sat, 21 Jun 2003 00:37:15 -0500
At 09:28 PM 6/20/03, Daniel Mitchell wrote:
John A. Lind wrote:
> For aerial displays (can also be used for tight shots of ground
> displays against near black background)
>
> 1.  Use ISO 100 film.  (slower actually works better)

 Is this to avoid 'bleed'? I have a bunch of shots of fireworks that look
okay as far as composition goes, but there's a red halo around the actual
fireworks themselves, they don't look as crisp as I'd like them to.

I'm wondering if that's flare or possibly light-piping along the emulsion. Some Fuji chrome films will halo bright light sources and the best I could come up with was light piping through one or more of the emulsion layers; there could be a different and better explanation).

I recommend ISO 100 as it allows not only a reasonable aperture, it also keeps the sky from becoming too gray (too long an exposure can also do this).

-- John


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