The Guide Number Controller is an auxiliary device for use with camera or housing and the dedicated YS-350 TTL/PRO strobe. The dual control dials allow subtle manipulation of single or dual strobe output in 1/3 EV increments from full to 1/16th power.
The Guide Number Controller enables the highest level of manual flash exposure management for nuances in illumination, Compatible with camera systems equipped with 5-pin bulkheads.
(H x W x D) 3.2 x 3.1 x 3.5 inches / 81 x 80 x90mm
8.8 oz/ 250g
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This product has a limited warranty of 12 months.