105mm f2.8 micro for portraits?

Leonard Shepherd wrote:

Assuming you mean the 105 VR it is good for portraits - but not as good or as fast an aperture as an FX specialist portrait lens.

The VR is the only "portrait" lens with VR if working in low light without a tripod or flash.

If you do macro and can afford only one lens the VR is a very good choice.

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Leonard Shepherd
Many problems turn out to be a lack of intimate knowledge of complex modern camera equipment.