M54 EXTENSION TUBE - 7mm Spare part 255 mm stainless steel encoder

255 mm stainless steel encoder ring with read-head yields 67

If you remove the reducer # 15 from the basic configuration

30B056WITHFOAM

ZWO-DOVE-AIR

with the additional usage of this piece of information for correcting the tracking of objects

M54 EXTENSION TUBE - 7mm Spare part 255 mm stainless steel encoderThis 7mm M54 extension tube features a male M54 x 0. 75 thread on one end and a female M54 x 0. 75 thread on the other. This is a very useful accessory for making up the exact backfocus distance required by correctors. Specifications Connection side A Male M54 x 0. 75 Connection side B Female M54 x 0. 75 Optical length 7 mm SKU AX M54 EXT7