The LA15-16-043Z voice-coil actuator features a large-diameter clear aperture that is viable for product feed-through, laser beams, or other illumination delivery. The through-hole actuator measures 1.5” in diameter and 1.6” in length at mid-stroke. Total stroke is 0.25” and peak force is 15 lbs. According to the company, this is the only actuator available with a clear aperture design. Pricing for the LA15-16-043Z starts in the $200s in production quantities. BEI KIMCO MAGNETICS, Vista, CA. (800) 572-7560.