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Mystery bolt

Started by fct-150, 05/11/2014 12:44AM
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Posted 05/11/2014 12:44AM Opening Post
Andy Sedlacek
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Join Date: Aug 2001

Location: Spokane Vly WA, US

Posts: 119

I was rummaging through my spare parts bin and I found this on the bottom; had it for about 5 years now. It came with a whole bunch of reflector items...I'm thinking the past owner was trying to build a scope of his own.

Anyway, anyone know what this is? I know for a fact that the teflon square goes with it.

Best all!

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Just a few thoughts:

8) FS-152SV sitting in the office
grin Japanes super lucky zen observatory garden
:S Meade ETX-90 finder scope position
shocked Hino Optical Mizar 120SL observatory model
:C SR-4mm eyepiece with a 3x barlow in a 60mm refractor
8O Zeiss Victory 7x42 SFs
wink Having over 135 vintage oculars to play with
smile My life surrounded by wonderful friends and impeccable optics
Posted 05/11/2014 12:55AM #1
Floyd Blue
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Join Date: Mar 2003

Location: Bakersfield CA, US

Posts: 4913

Looks like it is for mounting an encoder.
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[SIZE="Large"][/SIZE][COLOR="Blue"][/COLOR] Floyd Blue grin
Amateur Imager
Posted 05/11/2014 06:55AM #2
Jeffrey Counsil
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Join Date: Jul 2001

Location: Jersey Shore PA, US

Posts: 592

Hi Andy. It looks like the pivot bolt for a Dob to mount the AZ encoder. The hole should be 1/4". The piece of Teflon doesn't get used with it, but rather is one of a few that go between the ground board and mirror box.

Andy Sedlacek said:

I was rummaging through my spare parts bin and I found this on the bottom; had it for about 5 years now. It came with a whole bunch of reflector items...I'm thinking the past owner was trying to build a scope of his own.

Anyway, anyone know what this is? I know for a fact that the teflon square goes with it.

Best all!
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