For added versatility, the YN660 has bounce capabilities which include tilting from -7 to 90° and rotation of 270°, allowing users to have more control over light placement. In addition, this flash can be used as a radio slave to other units and has a optical triggering & slave settings for use with other flashes. It runs on four AA batteries which provide a recycle time of three seconds at full power. And, it has an external power socket and a PC sync port for added functionality.
Guide Number | 216.54' / 66 m at ISO 100 (199 mm Position) |
Coverage | Full-Frame 20 to 199 mm 14 mm (with Wide-Angle Adapter) |
Bounce Head | -7 to +90° |
Swivel Head | 270° |
Flash Duration | 1/200 to 1/20000 Second |
Recycle Time | Approx. 3 Seconds |
Secondary Illumination | None |
Exposure Control | Manual |
Flash Modes | None |
Power Range | 1/1 to 1/128 (Manual) |
Wireless Operation | Radio (TTL/Manual) Up to 328.08' / 100 m Optical Pulse (TTL/Manual) Up to 82.02' / 25 m |
Wireless Channels | 16 |
Wireless Groups | 6 |
Remote Timing Modes | Instant Sync Skip Preflash |
Internal Power | 4 x AA (Alkaline, NiMH) |
External Power Pack Compatible | Yes |
Mount | Shoe |
Off-Camera Terminal | PC |
Dimensions (W x H x D) | 2.6 x 3 x 8.3" / 67 x 77 x 210 mm |
Weight | 15.06 oz / 427 g |
Package Weight | 1.35 lb |
Box Dimensions (LxWxH) | 8.8 x 4.1 x 3.8" |
FSK 2.4G wirelss controller
M / Multi Two mode
Remote Control of Flash output and Zoom per group, up to 6 groups, A/B/C/D/E/F
Zoom range: 24-105m
Shutter Interface: 2.5mm shutter interface
Compatible with YN-560 III, RF-602, RF-603, RF-603 II
16 Channels
Large and Clear Screen, user friendly interface
100 meters transmission Range
Battery Type: AA*2
Stand-by time: 120hours
Reviews YongNuo YN660 + YN560-TX (Compatible with RF-603 II, RF-603, RF-602) (for Canon DSLRs)