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Auto ISO with a Hot-Shoe Mounted Flash


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jammike Registered since 19th Jun 2012
Tue 19-Jun-12 01:36 PM

The behaviour of the Auto ISO algorithm is consistent when using the camera pop-up flash in slow mode as well. Unfortunately, things are weirder when using a hot-shoe mounted flash, such as an SB-400. In this case, the camera increases the ISO sensitivity up to four times the value currently selected and won't raise it any more, even if you selected a greater maximum ISO.

As per the blog

The 1.01 firmware seems to fix this undocumented "feature": the Auto ISO behaviour is the same when using either the pop-up flash or a hot-shoe mounted flash.

However My 5100 (bought recently) has firmware 1.01 but it is still exhibiting the same problem. Has anyone else also faced this issue ?