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ADM VX8 Dovetail Rail system for Celestron 8"

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#1 WoodlandsAstronomer

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Posted 23 March 2020 - 07:00 PM

Picked up the ADM VX* dovetail rail system for Celestron 8" SCT per a recommendation on this forum. It included a rear base plate with two hex screws that go into the back of the OTA and a single hex screw for the front of the OTA.  The front hex screw is sightly larger and I easily found a fit in my collection of drivers.  However, the two rear hex screws are smaller and even though I have about a dozen small size drivers, none of them fit these small hex screws. I didn't find a courtesy driver in the bags, so now I'm stuck unless I get to a hardware store, but I hate to get out. I'd rather order one for delivery. Anyone happen to know the size of those rear hex screws?? I know, longshot question....

 

 

 

 



#2 coopman

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Posted 23 March 2020 - 08:07 PM

Does it go in the same location as the stock dovetail bar, but just uses radial blocks?

#3 aa6ww

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Posted 24 March 2020 - 09:14 AM

Send a link from the ADM site on what bar you are talking about. Googling "ADM VX* dovetail rail system for Celestron 8" SCT" comes up with too many options.

...Ralph
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#4 WoodlandsAstronomer

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Posted 25 March 2020 - 06:49 PM

Thanks, I emailed ADM and they responded rather promptly. This is for the ADM VC8 dovetail rail system for Celestron 8" SCTs

 

For posterity sake...

 

The larger screws are 10-24 and use 1/8 allen wrench.

 

The smaller screws are 8-32 and use 3/32 allen wrench.


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