Description
The OLOONG speedlight SP-690 is a high-performance flash unit with a large guide number of 50 (ISO 100m) (at the 180mm zoom position), the available zoom positions to be automatically adjusted at standard illumination pattern intensity are between 24mm and 180mm. It can serve as an on-camera flash as well as a master unit or a slave unit in a wireless, multiple-speedlight system. Main Features: 22 level light quantity output control Support multi-flash lighting application (S1/S2 mode) LCD display Compatible with I-TTL autoflash Overheating protection Power zoom function Support front-curtain/rear-curtain sync