has anybody not heard of this marvelous gadget.screws to back of your 2'' thread on your cass scope,.it allows you to move your 2'' diagonal through 360 deg with out constantly loosening the screw on your normal visual back..the tension screws you see alow you to adjust the clutch to handle the heaviest if accessories and still be able to move around with out slipping..cameras,ccd,ect..once you try, you will wonder how did i do with out this....as new..just arrived from usa....$95 will see it posted to your door (australia only) N.Zealand will be $10 extra..cheers
