yongnuo speedlite yn686ex-rt вспышка литий-ионным аккумулятором

12:35

Yongnuo Speedlite YN686EX-RT – вспышка с литий-ионным аккумулятором

yn686ex-rt battery unit yongnuo flashgun

03:00

Yongnuo Li-ion Flashgun Fires 750 Times on a Single Charge

speedlite canon yn686ex-rt yongnuo features

20:38

Yongnuo unveils its first Li-ion powered speedlight for the Canon RT system