Product Information:
Main Unit and Controller -- Controller attaches to ISO hot shoe and Main Unit attaches to front of Micro Nikkor and Select Nikkor lenses
TTL Speedlight for Micro Nikkor and Select Lenses -- Attaches to front of Micro Nikkor and Select Nikkor lenses for most convenient and accurate flash control
New Innovations -- Main Unit can be attached to Controller on top of hot shoe; brightness of flash can be reduced incrementally down to ¼ power; modeling light lets you check effects of flash before shooting
Aperture/Reproduction Ratio panel -- Easy-to-read reproduction-ratio scale on back of Controller is matched to Micro Nikkor lenses
Multiple Flash capability -- Extensive Nikon Multiple Flash System compatibility includes; SC-18 and SC-19 Cords and SU-4 Wireless Slave Flash Controller for TTL operation