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Spacek 4.25-inch f/11 Newtonian on Vixen Polaris

In Aug-2024 I purchased the Spacek K-4 OTA that Bob Midiri advertised for sale in the CN Classifieds. The 150mm spacing between the two 1/4-20 bolts emerging from the side of the tube matched the spacing needed to bolt it onto the saddle of a late-model Vixen Polaris equatorial mount

By jkmccarthy (View all images and albums)

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