SI-BAK—JUMBO fine focus knob


SKU: SI-BAK Category:


3.0″ JUMBO fine focus knob, this larger fine focus knob will give you an even smoother feel than what you are accustomed to and will make it easier to focus.

Additional information

Weight 0.75 lbs
Focuser Size

2.0", Micro, and Retrofit focusers, 2.5", 3.0", 3.5" Focuser