FASV-EXR-LT,,OPTEX FA INC.,DESC1: :DESC1 DESC2: :DESC2 DESC3: :DESC3 DESC4: :DESC4 DESC5: :DESC5 DESC6: :DESC6 DESC7: :DESC7 DESC8: :DESC8;DESC1: :DESC1 DESC2: :DESC2 DESC3: :DESC3 DESC4: :DESC4 DESC5: :DESC5 DESC6: :DESC6 DESC7: :DESC7 DESC8: :DESC8,OPTEX CLOSE FOCUS RINGS (0.5,1,5,10,22MM,Ramco Innovations