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Telescope accessories General Type Radius blocks

They are used to attach flat bars to round telescope tubes.

This accessory set is also called a pillow block or curved block.

The block’s radius is defined for a specific tube diameter. Meade and Celestron SC telescopes, in particular, have pre-drilled holes with screws, which are designed to be used to attach a radius block. Using these, a dovetail bar can be attached to the tube to connect it to the mount. Since most telescopes are supplied already equipped with such a bar, the more common use for radius blocks is to install a second bar for a second optic or a guidescope.

22.01.2022
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