Meike MK-950 Mark II i-TTL TTL Flash Speedlite for Nikon D610 D7100 D5100 D3200 D810 D80  Features:   1. Wireless multiple flash shooting With the MK-950II、 the"Advanced Wireless Lighting 2. TTL mode The camera controls the MK950II's flash output level by measuring the light reflected from the subject when the MK950II fires a series of monitor pre-flashes. 3. Manual flash mode By setting the aperture and the flash output level、 you can manually set the exposure and the distance to the subject. 4. Bounce flash By tilting or rotating the flash head、 you can bounce the light off a ceiling on wall to make use of reflected light. 5. Close-up flash photography Close up flash photography can be achieved with use of the built-in wide-flash adapter and the flash head titled down. 6. Flash output level compensation\/exposure compensation Flash output level compensation is performed by modifying the flash output level for the flash illuminated subject only. Exposure compensation is performed by intentionally modifying the correct exposure o modify both the subject and background exposure.   Specifications:                           Circuit Design         Insulated Gate Bipolar Transistor (IGBT)               Guide Number         58 meters (ISO 100、105mm)               Flash Mode         TTL、M、RPT、S1、S2、Remote               Vertical Rotation Angle         0-90 degrees               Horizontal Rotation Angle         0-270 degrees               Power Supply         4XAA size batteries (Alkaline or Ni-MH are usable)               Lighting Times         100-1500 times (AA alkaline cell used)               Recycle Time         Approx.4s               Color Temperature         5600k               Flash Time         1\/200S-1\/20000S               Flash Control         8 levels of output control (1\/128-1\/1)               External Interface         Hot shoe、PC port and eternal charging port (Use MK-SD8A)               Wireless Triggering Distance         0-30m indoor、10-15m outdoor               Additional Features         FEC、AEB、Manual zoom、Auto zoom、PC port               Dimensions         200X75X57mm         Package Included:   1 x MK-950 Mark II TTL Slave Wireless Flash Speedlite   Detail Pictures: