Quince flowers
For me, the first works best, on account of the way you have managed to isolate the subject better with your choice of DoF. We have a batch of quinces in the fruit bowl here now, as it happens - great 'olde worlde' fruit.

http://www.pbase.com/iberg
My piccies.
neil
An f stop wider than f9.5 (as indicated by Photome) used for the first of your images here, would give you much more control over your out-of-focus areas.
The lens focal length reported was 55mm - even if this was the kit zoom, you've got ample scope to open up more to achieve this.

http://www.pbase.com/iberg
neilr
Member
Birmingham
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cheers Neil