{"id":3473,"date":"2010-06-30T21:13:57","date_gmt":"2010-06-30T11:13:57","guid":{"rendered":"http:\/\/www.ayton.id.au\/wp02\/?p=3473"},"modified":"2010-06-30T21:40:36","modified_gmt":"2010-06-30T11:40:36","slug":"sigma-em-140-dg-macro-ring-flash","status":"publish","type":"post","link":"http:\/\/www.ayton.id.au\/wp02\/?p=3473","title":{"rendered":"Sigma EM-140 DG macro “ring” flash"},"content":{"rendered":"

I managed to pick up a second hand Sigma EM-140 DG Ring Flash<\/a> for Canon EOS this week mainly because it was going relatively cheaply and I needed a TTL macro flash for my Canon kit but didn’t want to pay for the Canon macro flash.<\/p>\n

\"Sigma<\/p>\n

I already own the Olympus Ring Flash which I love but obviously, it doesn’t work in TTL mode on my Canon 1D Mark III, and it doesn’t attach to lenses via a filter thread thus requiring it to be hand held on lenses for which it was not designed.<\/p>\n

Unfortunately, Sigma’s website doesn’t explain the realities with this flash, and worse, does not allow a download of its user manual so you can determine if it will suit your needs or be a lemon.<\/p>\n

Let’s look at the Sigma flash, firstly the cons:<\/strong><\/p>\n