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scwong · 註冊: 2004-10-02 上載我的肖像

What is the max GN value of SIGMA 500 DG Flash light? What is the posibility max. distance for this flash light?

THx~

matcc · 註冊: 2003-02-12 上載我的肖像

I think this page has the information you want:

http://www.sigma.com.hk/Flash_1.htm

scwong · 註冊: 2004-10-02 上載我的肖像

Thx~

But, I can' t find the GN value for "EF500 - DG Super". Anyone can ans. me?

matcc · 註冊: 2003-02-12 上載我的肖像

Should be 50 (ISO 100)

You may see also this page in dcfever.
http://www.dcfever.com/showroom/sp.php?productID=644

Wade · 註冊: 2004-09-16 上載我的肖像

講起閃光灯,我都有d野想問下,用Sigma灯為例.
- ETTL(Through the len),禁系唔系只要閃光灯不設為manual mode, GN值會auto嫁?
- 用300D 人頭mode, 好像年光圓同快門都會因為用左閃光灯而Auto轉变.e.g. 本来耍f/3.5 & 1/200s 但用了閃光灯,而Auto轉左f/3.5 1/600s. 但用AV, TV, etc 好像不會Auto轉. 請問是否?請問点解?請問有無external 閃光灯的心得(又其系Sigma super)?