JY 680L TTL FLASH Made for LYTRO ILLUM by Viltrox JY680L TTL FLASH is a professional Speedlite flash which is made for LYTRO ILLUM by our partner Viltrox. With AF-assist beam and Guide Number 58 (ISO100 meter), the flash supports 18-135 mm Auto Zoom, wireless light-controlled trigger, exposure compensation, and Rear Curtain Sync. The flash also supports a PC sync socket, a 3-second quick recycle time and high speed continuous shooting at 8 flashes per second. It has multiple wireless slave modes (S1.S2.REMOTE) and supports an external power source. JY680L TTL FLASH INCLUDED ITEMS Flash Unit Flash Pouch Flash Stand Flash Diffuser Warranty Card PRODUCT SPECIFICATIONS Type: On Camera Compatible Camera: Lytro Compatible TTL Guide Number: 58 (ISO 100 in meters) Flash coverage: 18-135mm (14mm with wide panel) Flash duration: 1 / 1050s (under output 1: 1) Wireless Transmission Range Indoors: 12-15m / 39.4 - 49.2ft Wireless Transmission Range Outdoors: 8-10m / 26.2 - 32.8ft Reception Angle: 40 Horizontal, 30 Vertical Assist Light Effective Range: 0.6 - 5m / 2.0 - 16.4ft Flash recycling: 0.5 - 5sec External Power: CP - E4 Internal Power: 4X size-AA alkaline batteries (not included)* Battery Life: 100 - 700 flashes (with size-AA alkaline batteries) Size: 60 x 76 x 190mm / 2.36 x 3.0 x 7.48ft Weight: Approximately 380g (excluding batteries, only flash) Power Saving: Power saving after certain period of idle operation *size-AA Ni-MH and lithium batteries also usable Lytro.com | 1300 Terra Bella Avenue, Ste 100, Mountain View, CA 94043 | 650.316.8888