I need a little help applying the "aperture matters for point sources and f-ratio matters for extended objects" theory to photographic lenses where the f-ratio...
SHEKHAR BORDE
SHEKHAR@...
Dec 1, 1999 8:16 am
27667
Chuck, Points well taken. I knew that I would stir up some comments on my reply. I don't have the best cd player, but I do have a exellent turntable. I have...
Frederic M. Burns
emark@...
Dec 1, 1999 8:23 am
27668
I think that I read that the dvd format is not compatable with HDTV, Is that true? Mark ... -- APML Archives at <http://www.system.missouri.edu/apml/> --- ...
Frederic M. Burns
emark@...
Dec 1, 1999 8:30 am
27669
The directions that I have read about picking a southern star that is about 20 degrees above the celestial equator, lead me to wonder if it would be more ...
Frederic M. Burns
emark@...
Dec 1, 1999 8:50 am
27670
Mark, It is best to pick a star on the celestial equator first to make your adjustments in azimuth. Once you are satisfied that you can track for a minimum of...
Jim Barclay
cosmos@...
Dec 1, 1999 9:31 am
27671
Jerry. If any of us Down Under's were to image M31 like you guys do, I am sure the 158" would not mind at all considering we have the Magallanic...
Jim Barclay
cosmos@...
Dec 1, 1999 9:43 am
27672
I have a Vixen VC200L that has the large 2" diam focuser, I'm looking for a flip mirror that I can attach either OM-1 OR MX5-C to, Does any one have any...
Simon Mander
compulsion@...
Dec 1, 1999 10:18 am
27673
Simon, the TrueTechnology flip is the only one that can fit 2" male and T-rings adapters. This device is sold in the USA from Adirondack Video Astronomy ...
Gualdoni PierMario
piermario.gualdoni@...
Dec 1, 1999 11:25 am
27674
... False. Van Slyke and Homeyer are two others. Gene Horr genehorr@... -- APML Archives at <http://www.system.missouri.edu/apml/> --- Unsubscribe at...
Gene Horr
genehorr@...
Dec 1, 1999 11:44 am
27675
Apologize Gene, i don't know absolutely the two brands, they're not sold in Italy. Regards Piermario ... -- APML Archives at...
Gualdoni PierMario
piermario.gualdoni@...
Dec 1, 1999 12:16 pm
27676
Is the Murnaghan available in the UK ? ... From: Gualdoni PierMario <piermario.gualdoni@...> To: <astro-photo@...> Sent: Wednesday, December 01,...
Simon Mander
compulsion@...
Dec 1, 1999 12:48 pm
27677
... -snip- Interesting - not too long ago I had an interesting e-mail "talk" with Ctien, problaly the world's last active practicioner of teh dye transfer ...
Joseph O'Neil
joneil@...
Dec 1, 1999 1:08 pm
27678
When I last posted my red fog problem, it was happening on three cameras to varying degrees, and always on my piggybacked FM10. I've finally solved it and...
Kolb, Jon
jkolb@...
Dec 1, 1999 1:56 pm
27679
Jon, I experienced exactly the same problem with my FM10 3 years ago... 8) I also took out the batteries to solve this problem.. Chris ... Christopher and...
Christopher Go
christone@...
Dec 1, 1999 2:08 pm
27680
I've wondered about that myself. Not knowing for sure, I believe that if you stop the lens down to f/4 that it will behave like an f/4 in terms of limiting...
Chris Vedeler
cvedeler@...
Dec 1, 1999 2:22 pm
27681
Sorry for the delay in response, I had some other mechanical drive issues to work before I could do PEC analysis. My azimuth worm gear requires about 45...
Tom & Lou Krajci
krajcit@...
Dec 1, 1999 2:32 pm
27682
Mark, I put +20 degrees in my instructions because I pulled that from AMOACP which says to select a star for drift alignment at the "mean photographic ...
Chuck Vaughn
aa6g@...
Dec 1, 1999 2:54 pm
27683
Shekhar, as far as I know the diaphragm inside the lens will stop down the aperture to whatever you set it at (f/4 in your example). In other words, a 200 mm ...
jgomez@...
Dec 1, 1999 2:54 pm
27684
Robert, Things to watch for with Epson: 1. Ink is very expensive.... we had the 1200 printer for awhile when we were doing all those ink jet trials a while...
Tony Hallas
ahallas@...
Dec 1, 1999 4:13 pm
27685
The latest version of the PolaColor software for the SprintScans looks like it is released and can be found at : ...
matt@...
Dec 1, 1999 4:20 pm
27686
Wil, ... I did try it and the hue is closer than I expected but the ratios of the channels are not that close, especially green which runs about twice the...
Chuck Vaughn
aa6g@...
Dec 1, 1999 4:21 pm
27687
Hello out there, I would like to address a certain issue here.... the basis of this "contest" was inspiration, not technical excellence, of which we are well...
Tony Hallas
ahallas@...
Dec 1, 1999 4:33 pm
27688
Hi Robert, My 2cents: I have been using the Epson 1200 for about 6 months now and I have been VERY happy with the print quality. The "pizza tracks" are easily ...
Russ Dickman
dickman@...
Dec 1, 1999 4:37 pm
27689
You'll be missed tony...joe :) ... -- "May You Go Among The Imperishable Stars" Joe Mize http://sfo.sciastro.net mailto:jmize@... Current Moon Phase...
Joe Mize
jmize@...
Dec 1, 1999 5:10 pm
27690
John: We will just punt this week - our fruit arrives Friday and we will be busy with that until after 8:00. See you next week at regular time. Steve On Wed,...
Steve R Layman
slayman@...
Dec 1, 1999 5:44 pm
27691
I've finally purchased a scanner (Photosmart S20) and would like to start to learn processing astrophotos. I have some slides that are about 40 second...
Blair Batty
bbatty@...
Dec 1, 1999 6:11 pm
27692
Joe, ... I think we may be applying too strict of a criteria to these things. Rarely does a new technology come along that is superior in every single way to ...
Chuck Vaughn
aa6g@...
Dec 1, 1999 6:34 pm
27693
Guys..... Those of you with Epson printers should really try the Epson Photo Quality Glossy Film, Part Number S041072. This is a very high gloss paper that...
Jim Janusz
jjanusz@...
Dec 1, 1999 6:57 pm
27694
In a message dated 12/1/99 10:37:52 AM, ahallas@... writes: << Hello out there, I would like to address a certain issue here.... the basis of this ...
KGKIRKLEY@...
Dec 1, 1999 7:02 pm
27695
I just refilled my cartridges with an MIS Associates kit (HPPHOTO-C), it was easy to do, no mess or fuss. The kit has six one oz bottles of ink, with a small...