LBTEK 3-inch stainless steel lens mount for mounting optical components with a diameter of 76.2 mm. The optical component is secured via flexible spring leaves and fixing screws. Two M6×0.25 precision adjusters provide the adjustment mount with an angular adjustment range of ±4°. Comes without knobs but with lock nuts; adjustment without knobs requires the use of a hex key. The adjusters feature side through-holes for easy insertion and precise adjustment. The optical adjustment mount has M4 countersunk mounting holes on the side. Includes two M4 thin-head hex socket screws and one each of 2.0 mm and 2.5 mm hex keys with purchase.