NIKON calls BOTH OF THESE motors "Silent Wave" but both are RADICALLY DIFFERENT - YouTube
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Buy Nikon AF-S NIKKOR 18-35mm f/3.5 - f/4.5 Wide-Angle Zoom Lens for Nikon F Mount (Silent Wave Motor) Online - Croma
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SWM"Silent Wave Focus driver Motor Repair parts F... – Grandado
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Ultrasonic motor - Wikipedia
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Lot - Nikon CT-502 silent wave motor for AF-S NIKKOR ED 500mm 1:4 D. Includes silver metal carrying case.
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Two types of motors 'Nikon SWM' (marketers won again) | Happy
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Focus Motor Silent Wave AF Assy For Nikon AF-S Nikkor 300mm f/2.8 D II IF-ED | eBay
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