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FB203


Z Axis Motorized Focusing Mount

The FB203 motorized linear actuator is the basis of the FB range of Z-axis motorized stages: FB204, FB205, and FB206. It has mounting holes for easy installation into OEM designs or customized instruments

The long 38 mm travel range of the FB203 is suitable for multiple applications and enables easy access to the sample by moving the objectives out of the way.

Its sub-micron repeatability ensures that translated objects are repositioned precisely. 

A high load capacity of 14 kg enables the FB203 to be used with customized mounts and a variety of XY platforms.


    • Long travel range for microscopy applications
    • High load capacity
    • Numerous mounting points
    • Sub-micron repeatability
Dimensions (at minimum range) 165 x 92 x 66 mm
Resolution 20 nm
Straightness (over full travel) ± 3.5 µm
Full Travel Repeatability ± 0.7 µm
Full Travel Metric Accuracy < 5 µm
Drive Mechanism Zero backlash, recirculating ball screws
Travel Range 38 mm
Speed Range (max load) 1 – 14 mm/s
Encoder No
Max Load 14 kg
Cable Length 1 m

Specifications as per datasheet. Please see datasheet for details.

Option Manufacturer Compatibility Notes

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