Sony HVL-F45RM Speedlght

Main Features

• AF Illuminator
• 1.64-19.69 ft Operating Range (Approx)
• Dimensions – W 2-3/4 in × H 4-1/2 in × D 3-1/2 in
• Weight – 11.2 oz
• Multi/Micro USB Terminal
• Bounce Angle – Up 150 deg (0 deg/30 deg/45 deg/60 deg/75 deg/90 deg/120 deg/150 deg) Down 8 deg, Left and right 180 deg (0 deg/30 deg/45 deg/60 deg/75 deg/90 deg/120 deg/150 deg/180 deg)
• Bounce Flash
• Built-in Bounce Sheet
• Built-in Wide Panel
• 5500K Color Temperature
• 40 flashes at 10 flashes per second Continuous Flash 
• Flash Duarion – Within 1.7 ms (1/1 Manual)
• Flash control using pre-flash (P-TTL/ADI)
• Flash Coverage – Auto/Manual (24 mm–105 mm) angle of view at 15 mm focal length is also covered with the wide panel
• Flash Mode – TTL/Manual/Multi
• Frequency (Approx) – 0.1-2.5 seconds (Alkaline battery)/0.1-2.0 seconds (Ni-MH battery)
• High Speed Sync (HSS)
• Guide Number – 45 (Flash coverage setting 105 mm/STD flash distribution, ISO100・m)
• Modeling Flash
• Power Level Switching – 22 levels (1/1-1/128) 1/3 steps
• Repetition – More than 210 times (Alkaline battery)/More than 270 times (Ni-MH battery)
• Test Flash
• LED Light Function
• Center Luminance Intensity (Approx) – 400 lx (1.64 ft)/100 lx (3.28 ft)
• continuous Light Time ( Approx) 4 hours (with Sony AA-size alkaline battery)
• 35 mm (35 mm-format angle of view) Focal Length 
• Light Distance (Approx) – 3.28 ft (when recording movies, set to ISO 3200 & F5.6)
• 10 Steps Power Level Switching
• Optical Control Wireless Function – 4 Channels
• Communication Distance (Approx) – 16.4 ft
• 3 Groups
• Optical Controlled Wireless Flash (Controller/Remote)