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Last updated: 9 September 2008
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Last updated: 9 September 2008 |
This page is for user comments and information specific to the Meade ETX-60AT, ETX-70AT, ETX-80AT-TC, and ETX-80BB. Additional information is available on the ETX-60AT & ETX-70AT Announcements page. Comments on accessories and feedback items appropriate to other ETX models are posted on other pages. If you have any comments, suggestions, questions or answers to questions posed here, e-mail them to me and I'll post them. Please use an appropriate Subject Line on your message. Thanks.
Subject: ext70at setup Sent: Sunday, September 7, 2008 08:35:36 From: Sphincorp@aol.com (Sphincorp@aol.com) Hi Mike, old question on old telescope... i am having trouble setting up the auto star, i do not have the manual...i have set it up North and level the selected star, but when it slews it seems to just point into empty space.... any help?? also have 9mm, 25mm, and 2x barlow , any other access. i might need thank you in advanceMike here: See the FAQ page to get manuals. As to setting up the telescope and using the AutoStar, see the Alignment Tips section on the Helpful Information: AutoStar Info page. If you read about "hard stops" in the setup steps you can ignore those with the ETX-70 since it does not have hard stops on the azimuth axis.
Subject: what lense magnifications to use when viewing the sun Sent: Wednesday, September 3, 2008 21:36:15 From: THOMAS MCNAMARA (THOMASMCNAMARA671@HOTMAIL.COM) I have an etx 70, have two lenses so far, a 25mm, and a 9mm. when I view with 25, the sun is a perfect circle that is yellow in color. I want to see more of course like sunspots. when I slip 9 in, image takes up whole eyepiece, but I see only half of the sun. is a 9 to powerful? or is it my viewing.Mike here: Right now the Sun is being very "quiet", meaning that sunspots have not been very numerous nor large. As to what magnification you could use to see more details on the Sun (and some other objects) check out the "Telescope Simulator" on the Helpful Information: Buyer/New User Tips page. When using the simulator select the Moon (similar is angular size to the Sun). Enter the ETX-70 focal length (350mm) and the focal length of your selected eyepiece. Then you will see a simulation of what you will see in the eyepiece. Keep in mind that there is a theoretical maximum magnification for all telescopes. If you are unsure how to calculate that see the FAQ page on the ETX Site.
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