Master unit in flash system
The master is the unit that triggers the other flashes (slaves) to go off. As a master unit you may have dedicated speedlite transmitter or speedlite flash with Master mode. It is common that higher-end speedlites support master mode, either optical or radio master mode.
Besides genuine Canon or Nikon speedlites, there are also flashes of other brands that can act as a master unit in Canon and Nikon wireless flash system. We will mention just few of them. Yongnuo YN568EX II supports optical master mode for Canon wireless system. Pixel X800C Pro and X800N Pro support both optical and radio master modes, as well as Godox TT685C and TT685N. Meike MK910 for example supports only optical master mode for Nikon CLS system.
There are numerous speedlite transmitters which act as master units in the wireless flash systems. Yongnuo YN-E3-RT, YN622C-TX, YN622N-TX, YN560-TX wireless transmitters are capable of controlling flashes as well – therefore acting as the Master. Pixel King Pro, Godox X1C and X1N also act as master units. On the contrary, the slaves are a group (or groups) or flashes controlled by the master unit.
Below is the list of all speedlite flashes and wireless triggers/commanders that can act as master units.
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Yongnuo YN680EX-RT Lithium Wireless High-Speed TTL Speedlite
Yongnuo YN680EX-RT Lithium Wireless High-Speed TTL Speedlite utilizes a rechargeable lithium-ion battery pack, to provide a super quick recharge time of just 1.5 seconds at full power. The flash is Canon RT compatible and features TTL, HSS and high guide number of 60m
Yongnuo YN320EX S TTL Flash for Sony Cameras
Yongnuo YN320EX S TTL Flash is an excellent compact size flash unit that provides TTL, HSS and has a radio receiver built-in. It is a perfect on-camera flash for any camera system and especially mirrorless system
Yongnuo YN968N II TTL Speedlite for Nikon Cameras
Yongnuo YN968N II TTL Speedlite for Nikon Cameras is a high-end speedlite compatible with Yongnuo YN622 radio system. Yongnuo YN968N II flash supports i-TTL metering. It features a powerful guide number of 60m (ISO 100, 200mm) as well as a long zoom range of 20-200mm, along with a wide-angle diffuser for 14mm coverage on full-frame cameras.
Yongnuo YN968N
Yongnuo YN968N is a wireless flash speedlite for Nikon DSLR cameras. The YN968N is a high-end flash speedlite that is compatible with Yongnuo YN622 radio system. Yongnuo YN968N speedlite flash supports i-TTL metering. It features a powerful guide number of 60m (ISO 100, 105mm) as well as a long zoom range of 20-105mm, along with a wide-angle diffuser for 14mm coverage on full-frame cameras. Bounce lighting is also possible with tilt from -7 to 150° and rotation left and right 180°.
Yongnuo YN968C
Yongnuo YN968C is a wireless flash speedlite for Canon DSLR cameras. The YN968C is a high-end flash speedlite that is compatible with Yongnuo YN622 radio system. Yongnuo YN968C speedlite flash supports E-TTL / E-TTL II metering. It features a powerful guide number of 60m (ISO 100, 105mm) as well as an long zoom range of 20-105mm, along with a wide-angle diffuser for 14mm coverage on full-frame cameras. Bounce lighting is also possible with tilt from -7 to 150° and rotation left and right 180°.
Yongnuo YN968EX-RT
Yongnuo YN968EX-RT is a wireless flash speedlite for Canon DSLR cameras. The YN968EX-RT is a high-end flash speedlite that is compatible with Canon’s 2.4GHz RT radio system that the proprietary 600EX-RT (II) strobe features. The radio system allows TTL triggering and flash control in a setup that’s easier and more reliable than infrared, especially as it does not involve direct line-of-sight mechanisms and will also work through obstacles. Yongnuo YN968EX-RT is also compatible with Canon’s new 430EX III-RT and 600EX-RT II flashes, as well as Yongnuo YN600EX-RT and YN600EX-RT II speedlite flashes
Yongnuo YN968EX-RT speedlite flash is fully compatible with Canon’s 2.4 GHz radio flash trigger system and E-TTL / E-TTL II metering. It features a powerful guide number of 60m (ISO 100, 105mm) as well as an long zoom range of 20-105mm, along with a wide-angle diffuser for 14mm coverage on full-frame cameras. Bounce lighting is also possible with tilt from -7 to 150° and rotation left and right 180°.
Yongnuo YN600EX-RT II
Yongnuo YN600EX-RT II is a wireless flash speedlite for Canon DSLR cameras. The YN600EX-RT II is a high-end flash speedlite that is compatible with Canon’s 2.4GHz RT radio system that the proprietary 600EX-RT (II) strobe features. The radio system allows TTL triggering and flash control in a setup that’s easier and more reliable than infrared, especially as it does not involve direct line-of-sight mechanisms and will also work through obstacles. Yongnuo YN600EX-RT II is also compatible with Canon’s new 430EX III-RT and YN600EX II-RT flashes, as well as Yongnuo YN968EX-RT flash speedlite.
Yongnuo YN600EX-RT
Yongnuo YN600EX-RT is a Wireless Flash Speedlite for Canon DSLR Cameras. The YN600EX-RT is a high-end flashgun that is compatible with Canon’s 2.4GHz RT radio system that the proprietary 600EX-RT strobe features. The radio system allows TTL triggering and flash control in a setup that’s easier and more reliable than infrared, especially as it does not involve direct line-of-sight mechanisms and will also work through obstacles. Yongnuo YN600EX-RT is also compatible with Canon’s new 430EX III-RT and YN600EX II-RT flashes