Re: [APML] OT: Ash Lurie 200 Astrograph@cox.net

[lkt <tan@cox.net>]

Bill,

 No, it does not preclude using color film. If you used color film, the rather short FL of this camera at 500mm will be limited by the resolution of the film. So your images will be not too different from say that of an AP Traveller at 600mm FL with 6x7 color film. There are many people who have done a lot of good work with APO refractors on medium format film. I am presuming you want to do better than this. So if you use color film, I say "why bother" because you're just reproducing similar images to many which have been done for the last 15 years.

Loke



> -----Original Message-----
> From: astro-photo-bounces@seds.org
> [mailto:astro-photo-bounces@seds.org]On Behalf Of William R. Mattil
> Sent: Friday, June 06, 2003 11:05 AM
> To: Discussion of Film Astrophotography
> Subject: Re: [APML] OT: Ash Lurie 200 Astrograph
> 
> 
> Loke Tan wrote:
> > 
> > Kent,
> > 
> >  Yes, that is the real question, is there a market for a new film-ONLY
> > camera which costs $7000 Euro. You will get similar images like the ones
> > from my 8" Schmidt but 1.7X better resolution and interestingly 
> with their
> > medium format film holder, even more field than my images. I 
> think it will
> > cover the entire Rho Ophiuchus region plus the large patch of 
> red nebulosity
> > below Antares in one frame. Recently Richard Payne made his own 
> 9" Schmidt,
> > this would have been an alternative. So if anyone out there 
> plans to make a
> > larger Schmidt than the standard 8" F/1.5, you can consider 
> this instead.
> >  You will also be very dependent on Tech Pan. You should not 
> use this camera
> > with color film, why bother <g>.
> 
> Loke,
> 
> While I certainly wouldn't say that Tech Pan images are wonderful when
> well done why does the use of a Schmidt Camera preclude the use of color
> film ? I have taken color images with my 8 inch and more recently my 5.5
> inch and they are quite pleasing to my eye. Perhaps my standards just
> aren't as high ? Anyway, I will agree that there doesn't seem to be much
> print film that would work, but E200 seems to work fine. But in the
> larger formats that could be an issue.
> 
> Regards
> 
> Bill
> 
> PS: I have seen the web site and looked over the spec's and it does look
> good. But I will tell you that I am not enthralled with the images, two
> IIRC, that they have made using this camera. They need to get one of
> these into someone's hands thats a bit more prolific and will produce
> some images. That would help..... You and or Kent should offer to do
> this for them .....
> 
> -- 
> William R. Mattil	| Fred Astaire wasn't so great.
> wrmattil@ix.netcom.com	| Ginger had to do it all backwards
> (972) 399-4106		| and... in high heels.
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