Help - Lens aperture advice

Hi all,

I have my first real commission photo shoot this week.

Its for an aspiring singer songwriter and she wants a number of pics for her portfolio to promote her.

Using my D200 with SB600 and Nikon 18-70, 28mm AF, 50mm AIS, Sigma 105mm lens' to choose from.

She wants a location shoot against street/industrial background to depict her gritty style.

As a keen amatueur I am beginning to quake a bit, so would appreciate some seasoned advice.

My questions are:

1. which lens best for job and what aperture to get mac IQ.
2. Best to use flash?
3. Suggestions?

yours humbly,

TaffyTim

 

Mark,

Very kind of you, where are u based?

Taffytim

 

Its a 2.8 version AF