Olympus-OM
[Top] [All Lists]

Re: [OM] defocussing to emphasise star-trail color?

Subject: Re: [OM] defocussing to emphasise star-trail color?
From: "Terry and Tracey" <foxcroft@xxxxxxxxxxxxxxxxxxxxxx>
Date: Tue, 16 Nov 1999 19:41:11 +1100
I'm just reading a David Malin book about this technique at the moment. I
don't think it would be useful for meteor showers as their colour would
change as they burn up, but who knows?

Foxy

----- Original Message -----

> Would the shape of the aperture come into play or no? I have a couple
> shots, one of Orion progressively defocussed in three step from infinity
> to 3m on the 28mm lens over half or so hour, but it'll be a while before I
> finish the roll of slides and get them back. f:8, the sharpest for the
> 28/3.5 G.Zuiko.
>
> More importantly, I want to hear opinions/feedback on using this technique
> to capture the Leonid meteor shower. By setting the lens to just
> a little before infinity, the star point become little larger, bettering
> the color rendition. I think the NG photo last month that we discussed
> used this technique as stars are a bit larger than point-streaks. The same
> should occur for all subjects at infinity, so instead of a scratch-like
> trail, I hope I'll get something more substantial and easier to see.
>
> That's my theory. Correct or no?
>
> Of course, this all hinges on the weather...rain forecast Wed night, of
> all times <grumbling bigtime> Sigh.
>



< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >


<Prev in Thread] Current Thread [Next in Thread>
Sponsored by Tako
Impressum | Datenschutz