MC-S2 MC-S2A 60mm Cage Kinematic Mirror Mount Ø2" Optical Element 50.8mm Cage System Coaxial SM2 Optical Adjustment Lens Holder

MC-S2 MC-S2A 60mm Cage Kinematic Mirror Mount Ø2" Optical Element 50.8mm Cage System Coaxial SM2 Optical Adjustment Lens Holder   Optical commonly used thread size standard This is the unique thread of Thorlabs in the United States, not the commonly used optical thread. SM is the code for the thread of the sewing machine in terms of thread expression, but this company in the United States uses it to connect the internal and external threads of the optical lens and the sleeve. The nature of the thread is UNS, and the United States has a special thread with a tolerance accuracy of 2A / 2B. The special place of this thread is 40 teeth per inch regardless of the diameter. The specific dimensions are as follows:   Parameter:    Product name Cage adjustment frame Model MC-S2 MC-S2A Specification 88.9*88.9*45.2mm Aperture SM2(2.035"-40) Ø50.9mm Adjustment range Tilt ±3° Through hole spacing 60mm*60mm Weight 295.9g Material #7075 al