Vixen Advanced Polaris Mount Slow Motion Control Knob,White 25818

hi I'm Shaun league with vixen optics and today I want to introduce you to the porter to mount this is the best altes of mountain there is I have tried a lot of different all thousand months and this one is fantastic let me show you why first of all you can attach a scope with the dovetail plate from the side and by I don't feel plate I just mean a plate like this you find them on most telescopes have this plate this is called a Nixon dovetail you detach it by sliding it in here and tightening down the main knob and then the safety now once you have a telescope attached you can simply move it back and forth or up and down by hand now once you're on an object if you want to make slight movements you can use these slow motion controls here and here very intuitive and easy to use now if like this one this just came from the factory so it's pretty tight ok so I want to loosen it a little bi