Last updated: 1 September 2005
This page is for user comments and information specific to the Meade ETX-125EC and ETX-125AT. Comments on accessories and feedback items appropriate to other ETX and DS 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:	Screw base plastic plate metric
Sent:	Wednesday, August 31, 2005 08:41:59
From:	f_fuertes f_fuertes (
I have a problem with the metric of the screws. In Spain is not
available the us or uk screw in inchess. Here all metrics are S.I. (or
MKS). I need purchase in amazon a new set of screws of the base plastic
plate of my ETX-125, but I don't know the standard size in inches. Could
someone tell me the metric of this screws (diameter and length).

Thank for your help.

Felix Fuertes

Subject:	re: etx-125, OTA internal dimensions
Sent:	Friday, August 19, 2005 21:16:53
From:	Richard Seymour (
The folks who built Terabeam optical networks
used "gutted" OTA's of 125's.
(they were using infrared, so the optics were tweaked
for the longer wavelengths).

You might do web-searches with "terabeam" among the

good luck

Subject:	etx-125, OTA internal dimensions
Sent:	Wednesday, August 17, 2005 06:28:06
From:	Ron Frelin (
We would like to gut the OTA of our etx-125.  We will be putting our own
equipment inside.  Does anyone have the actual dimensions or mechanical
drawings of the OTA?  Also, if anyone has ever gutted an ETX-125 OTA, 
are there any detailed instructions/pictures of the procedures

Any info on the above request would be greatly appreciated.

 Ron Frelin
Mike here: I haven't see that info. Of course, once you gut the OTA it wlll be easy for you to measure it.

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