ProMaster ST1 100SL Speedlight for Sony Multi Interface Shoe

The PROMASTER 100SL for Sony sports a full complement of advanced features in a small form factor. Its hybrid design gives you the option of an LED light for videos or flash for still photos. The 100SL is well-balanced so it 'just feels right' on your camera while throwing a flattering quality of light towards your subject. Use it in a wireless flash system as a master or slave unit. You can even use the 100SL to remotely fire your camera!

Key Features:

LED light for videography

Remote camera triggering

Swivel and bounce

22 levels of light output control

HSS high-speed sync

Thermal cut-off protection

Quick release camera connection

Wireless Master/Slave TTL functionality

1st and 2nd curtain sync

Stroboscopic mode

Flash exposure bracketing

Specifications:

Guide number: 100 (100' / 30 m at extended/50 mm reflector position, ISO 100)
Bounce positions: 0o, 60o, 75o, 90o
Swivel positions: Right 0o - 90o; Left 0o - 180o
Flash coverage: 24 - 50 mm (manual)
Flash duration: 1/800 - 1/20,000 second
Color temperature: 5600 K
Exposure compensation: +/- 3 EV in 1/3 EV increments
Master/Slave mode: Optical pulse with 3 groups, 4 channels
Recycling time: Alkaline cells 0.27 - 5 seconds; NiMH cells 0.15 - 2 seconds
Dimensions: 5 1/2" x 2 3/4" x 2" / 140 mm x 70 mm x 50 mm
Weight: 9 3/4 oz / 27 g (without batteries)
Power source: 4 x 1.5 V AA alkaline batteries or 4 x 1.2 V NiMH batteries