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Amazon.com : YONGNUO Wireless TTL Flash Trigger YN622N II with High-Speed Sync HSS 1/8000s for Nikon Camera : Electronics
Amazon.com : YONGNUO YN622C-KIT Wireless E-TTL Flash Trigger Kit, with LED Screen for Canon, Including 1X YN622C-TX Controller and 1X YN622C II Transceiver : Electronics
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Amazon.com : YONGNUO YN622N-Kit YN622N Kit Wireless i-TTL Flash Trigger Kit for Nikon, Including 1X YN622N-TX Controller and 1X YN622N II Transceiver : Electronics
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