- 2.4GHz operating frequency
- Manual output setting: 1/1 - 1/128
- Master/Slave Mode
- Net Weight: 3.5oz / 98g (without batteries)
- Dimensions: 3 1/6” x 2 9/16” x 2 7/16” (77.8mm x 65mm x 62mm)
- Power Source: 2 x 1.5V AA alkaline batteries, 2 x 1.2V NiMh batteries
- Multiple Channels
- HSS high-speed sync: TTL 1/8000
- 325’ range
- Functions as a transmitter or receiver
- AF assist beam
- Also works as a wireless shutter release (with additional cable)
- USB firmware upgradable
- Stand included
The following cables are available to expand the capabilities of the ST1
- ProMaster 6368 camera triggering cable for Nikon MC30 port
- ProMaster 6375 camera triggering cable for Nikon MCDC2 port
- ProMaster 6382 camera triggering cable for Canon RS80 port
- ProMaster 6389 camera triggering cable for Canon RS60 port
- ProMaster 3717 USB firmware downloading cable for computer connection