Do you use D-Range optimizer in general?

I keep DRO on auto as a default setting. It does things that cant always be fixed in post. I dont feel noise is an issue at all.
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Sony a77 & NEX7 - sigma 30/1.4 - sigma 85/1.4 - sigma 8-16 - sigma 17-50/2.8 - sigma 70-200/2.8 - extension tubes - HVL42 (3) -HVL58 - 16 pancake + fisheye adapter, fuji x10 compact
http://photogenykstudios.blogspot.com/