Orion ST-80 Short Tube Refractor
The ST-80 is a small 80mm achromat refractor. I am using it for a guide scope.
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It has a 400mm focal length and focal ratio of f5. It's mounted using a set of 3-point rings with ADM dovetails and saddle bar to the top of the AT6RC.
I purchased this scope used and it had a lot of scratches on the white tube and the lens shade so I masked off the Orion labels and repainted both of them. |
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I have a couple of GSO 10:1 Crayford focusers laying around that came off other refractors I no longer own, so I replaced the ST-80's focuser with one. Obviously, it really improves focusing.
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Page created 4/9/2023
Last edited 4/22/2023
Last edited 4/22/2023
