Moving Coil Actuators

The Parker ZFA is a high-performance positioner designed for instrument builders who need nanometer-level stability and ultra-low settling times. It features precision machining, crossed roller guidance, and a voice coil drive, along with advanced linear encoder technology. With exceptional natural frequencies and resolutions in the single-digit nanometer range, it enables quick, precise movements that enhance image quality and throughput. The ZFA includes integral carriage datum features for factory alignment and base datum features for easy integration into instruments, allowing for field alignment with or without an objective bracket.

• 95 x 90 x 36 form factor 
• Up to 9 mm of usable travel
• Up to 1 kg objective mass with internal magnetic counterbalance
• Up to 2 kg objective mass with optional external counterbalance 
• Included encoder reference mark 
• Adjustable hard stops 
• Non-moving cable design 
• CE and RoHS Compliance