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Cambo U-6 Extension Tube, Length 390mm / 15.5" for UBA and U-4
The U-6 adds 38 cm (15") length to the crossarm U-4 or UBA. It mounts directly into the arm and...
The U-6 adds 38 cm (15") length to the crossarm U-4 or UBA. It mounts directly into the arm and accepts any camera platform of the UST/UBS system.