OPTO 22 MP240D4 Solid State Relay, SPST-NO, 4 A, PCB, Through Hole, 24 VAC, 280 VAC Lens Gears They are general purpose filters

They are general purpose filters intended for moderate correction and will not

For Use with Single Lens Mount

and it comes with flip-down objective covers

BLUE product from MULTICOMP with the model number CRS-DY-1406Product details

Central locking ratchet lever Rugged metal design 10lb center load maximum capacity Anodized black oxide finish 1/4" top and 3/8" bottom male thread AD4000 quick release

OPTO 22 MP240D4 Solid State Relay, SPST-NO, 4 A, PCB, Through Hole, 24 VAC, 280 VAC Lens Gears They are general purpose filtersThe MP240D4 is a DC Control Solid State Relay with rugged epoxy encapsulation, SPST NO contact, zero crossing switching mode and through hole terminals. This MP series PCB mount low profile relay is subjected to full load test and six times the rated current surge before and after encapsulation. Unique heat spreader technology. Designed for mounting on printed circuit boards. Hermetically sealed 4000Vrms Optical isolation 1. 6V Maximum output voltage