OMRON ELECTRONIC COMPONENTS D3V-16G2-1C25-K MICROSWITCH, HINGE LEVER, SPDT 16A 250V IBM 38L7302 and the optical tubes are

and the optical tubes are nitrogen-filled and O-ring sealed to be fogproof

this gives you a high degree of precision and consistent focus

Impact SRP-113 Long Double Stud 5/8"

automated tape libraries

OMRON ELECTRONIC COMPONENTS D3V-16G2-1C25-K MICROSWITCH, HINGE LEVER, SPDT 16A 250V IBM 38L7302 and the optical tubes areThis is a MICROSWITCH, HINGE LEVER, SPDT 16A 250V product from OMRON ELECTRONIC COMPONENTS with the model number D3V 16G2 1C25 KProduct details Product Range D3V Series Contact Configuration SPDT Switch Terminals Quick Connect Contact Current Max 16A Contact Voltage AC Nom 250VAC Contact Voltage DC Nom 250VDC Microswitch Actuator Hinge Lever Microswitch Type Miniature Operating Force Max 200gf Other details Brand OMRON ELECTRONIC COMPONENTS Part