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(35mm Stroke) M56 Thread Version 2-inch Toothed w/SCT Adapter for Celestron ham#
USD 246.05
The bearing is designed to be adjustable and can be adjusted to high precision. - The size is 40mm in length, and there are two versions with 35mm/60mm stroke (SCT only supports 35mm stroke). This is also the biggest feature of this focusing seat.
