Anorad's rotary positioning stages are suited to a variety of demanding applications. From direct drive models for high dynamic performance, to gear driven versions for high loads, a wide range of stages are available to meet your requirements. Standard accuracies range from 0.2 arc-second to 2 arc-minutes. DDR-150 Rotary Stage - Direct drive brushless DC servo motor - Precision ground ABEC-7 4-point contact bearings - Durable stainless steel top plate with through hole - Resolution to 0.2 arc seconds - Highly repeatable Hall effect home and limit switches - Optional encoder scale cover Ideal for: - Wafer Inspection - Precision Assembly - Laser Machining