Profoto Air Remote TTL-C

The key to wireless triggering and TTL remote control is Profoto Air remote ttl-c transmitter, available for Canon cameras. Operating on 2.4GHz bandwidth, The transmitter, really a controller, has 8 frequency channels and with 3 groups per channel and a range of up to 330' For TTL triggering and 1, 000' For normal triggering. each channel has power ratio capability of +/- 2 stops. If you prefer to use manual you have +/- 9 stops power variation. You've also got modeling light, unit shut-down and first or rear curtain control. Both the ttl-c and the B1 500 air TTL have mini-usb connectors for firmware updates directly from Profoto website. The air remote ttl-c will also trigger Non-TTL air heads and packs from Canon cameras but without the TTL feature.