Sigma EF-630 electronic flash announced
Sigma has announced the EF-630 shoe-mount flash for DSLR cameras, with a guide number of 63.
Tag: Sigma
Yongnuo Wireless and Metz, MeiKe, Sigma flashes
At Photokina, MeiKe, Metz and Sigma have revealed several new basic speedlights. Yongnuo has officially announced its “revolutionary” 2.4GHz wireless TTL system, to be available in two months.