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atm_free · Amateur Telescope Making
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Group Information

  • Members: 1063
  • Category: Telescopes
  • Founded: Jun 1, 2002
  • Language: English
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Activity within 7 days:

15 New Messages - New Questions

Description

This Group is for the FREE exchange of ideas related to Amateur Telescope Making (ATM).

Have fun, be kind, play fair, learn, teach, participate.

PHOTO... Here's a photo of a current topic for discussion. Moon photo recently made, telescope is a "SheepSprinkler" made by Gary Fuchs. Check out the ATM_FREE Group' discussion for more info on this and other things we are doing.

Ken Hunter
TM logo Telescope Making
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Re: Mirror test set ups
Hi Tom I'm going the same way with an XY foucault tester so that I can add a Z axis for a bath interferometer. Also because I was impressed by the ease of use
Posted - Wed May 7, 2008 7:29 pm
 a.johnw
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Re: photos of mirror test
... side of the lens set to manual. This is a small slide switch on the lens body itself. This needs to set to manual. Yes, it is set to manual, and I used
Posted - Tue May 6, 2008 1:41 pm
 tomofreno2000
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Re: photos of mirror test
I have the 300D (Digital rebel). Do you have the switch on the side of the lens set to manual. This is a small slide switch on the lens body itself. This
Posted - Tue May 6, 2008 10:53 am
 Wayne Hilliard
woodycxd
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Re: photos of mirror test
Don't forget that you have to turn off the auto focus on the lens. Also make sure that you have the camera in either complete manual control or aperture
Posted - Tue May 6, 2008 10:09 am
 Greg Furtman
gregfurtman
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Re: photos of mirror test
... wrote: I use a different camera and autofocus works in night mode. Make sure that the tester light source is covered well enough that the camera is only
Posted - Tue May 6, 2008 5:51 am
 zway2bisfancyfree
zway2bisfanc...
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Message History

Jan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
2008 153 124 150 117 19
2007 144 177 110 111 66 23 80 99 87 50 96 110
2006 131 307 134 228 500 108 315 129 216 165 213 209
2005 339 369 319 91 234 460 136 153 168 57 292 107
2004 167 150 134 120 84 96 48 55 114 158 305 374
2003 96 103 135 158 179 93 84 158 168 178 284 160
2002 252 209 313 184 198 113 141
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