0.8 MOD gear 38T & 65T (for SmallRig 3010 follow focus) & 150T (for Pentax 100 SDUF telescope)

Pentax 100 SDUF is a classical imaging telescope, however, with the helical focuser that I detested. The default gear of Smallrig mini follow focus 3010 is 0.8 mode with 43 teeth,  by adding the follow focus to Penatx 100 & changing its gear to 38T will make it easier to turn the telescope's focuser.