Re: [APML] Transit exposure help

[astropix@att.net (Geoff Powers)]

 PS...

     The lens was a 300mm Quantary macro zoom... probably between f8 -- f16... Canon FTb QL camera body.


--
Geoff 

http://home.att.net/~astropix/


-------------- Original message from astropix@att.net (Geoff Powers): -------------- 
> Hello... 
> 
> Perhaps this is too late for those 'chasing' the transit toward eastern 
> skies... I've just been working my butt off with warm weather here... weekends 
> inclusive. 
> 
> While my 'home page' is certainly no indication, I've actually done a 
> considerable number of unfiltered sunrise/sunset shots over the past decade or 
> so. Jerry's advice is definitely worth it's salt... based on my own experiences. 
> 
> His points concerning image scale are paramount. Venus will be quite small 
> without lotsa' focal length. Print film will give the best performance... 
> undoubtedly. Regardless of the quality of your optics, internal reflections 
> *will* be an issue as well, until you put a filter on the optics. Faster films 
> will help to 'freeze' the seeing, filtered or not. 
> 
> During the multitude of various local sky conditions, the light meter is 
> your best friend for these unfiltered, horizon shots. I use the camera's 
> 'stopped-down' metering function, scan the scene, average the meter readings, 
> and bracket 2 stops either side of this average. 
> 
> I also carry a #6 welders lens (approx. ND2) and a #14 (approx. ND5) to 
> protect my eyes while framing/metering these shots through the focus screen/view 
> finder... not to mention my trusty RayBan 'Wayfarers'... you only get one set of 
> peeps! 
> 
> I went through my archived negs, and grabbed the first one of these shots I 
> came to... see it here: 
> 
> http://home.att.net/~astropix/sunset_1.html 
> 
> ... no notes on this one, but it seems to be straight off the meter, based on 
> the bracket sequence. The film was ISO 25 Kodak 'Royal Gold' color negative... 
> long since discontinued. 
> 
> Good Luck To All For The Transit !!! :o) 
> 
> 
> -- 
> Geoff 
> 
> http://home.att.net/~astropix/ 
> 
> 
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