Some time ago I wrote about taking art images for my mother in law. Since I don't have my dream lens yet, I had to compromise on the lens and use the great (but not ideal for this task) Nikon 18-70 lens. (The image to the lest if one of the original paintings)
I got a few mails and comments about the issue of getting closer to the pictures to make the picture fill a wider part of the frame.
Sample Comment (by 'Anon'):
Kind of a newb, but why would you have used a zoom lens? And at what
distance/mm? I would think 50-70mm would be ideal, or would getting any
closer affect the "family of angles" thing?
As Norm replied, the main issue of getting further from the image was the Family of Angles constraint. Let me explain: