Nutfield Technology high-speed focuser provides 170 mm focus depth
The BLINK high-speed focuser uses an air bearing design that offers stable servo bandwidth >500 Hz. It provides 170 mm focus depth at a 64 μm spot size over a 450 mm field (Nd:YAG). With continuous operation at 50G peak sine wave, it has a 13 mm clear aperture and 13 mm stroke.
Nutfield Technology
Hudson, NH
https://nutfieldtech.com