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Re: [OM] IR filter vs. Hoya ND 400

Subject: Re: [OM] IR filter vs. Hoya ND 400
From: "Tom Trottier" <infoanim@xxxxxx>
Date: Wed, 14 Jul 1999 15:36:38 -0400
IR doesn't cause sunburn, just real burns! Don't look at the sun 
without proper protection. 

Tom

On 14 Jul 99, at 10:01, Jan Steinman <olympus@xxxxxxxxxxxxxxx> wrote:

> >From: Siri Bjoner <sbjoner@xxxxxxxxx>
> >
> >Simple but stoopid question (I guess) but I have no experience with ND
> >filters, and rarely use filters at all unless I'm shooting IR: Would I be
> >able to shoot the eclipse using an IR filter (R72)?
> 
> Put on your thinking-cap, Siri! By design, an IR filter passes 
> infrared, which we can't see, so it "looks" like a black filter. 
> However, IR is a primary cause of sunburn, so it'll burn your 
> eyeballs, too!
> 
> I think it's best to stick with "approved" methods. If you could 
> safely substitute a cheap, common filter for an expensive, rare one,
> people would be doing it. And I haven't seen many EX condition replacement
> eyeballs on eBay lately,,, :-)
> 
> : Jan Steinman <mailto:jans@xxxxxxxxxxx>
...
------------------
From: Tom Trottier, President, ACT Productions Inc.
infoanim@xxxxxx                   http://www.act.ca
+1 613 594-4829                 fax +1 613 594-8944
199 Holmwood Ave,  Ottawa, Ontario, Canada  K1S 2P3
"Make it as simple as possible, but no simpler" - Einstein

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