mdorn wrote:
Is your realtor a photographer too? If you go down to 11mm, things will look unnaturally distorted. Is that what he/she wants? Personally, this annoys me, but I guess you give the client what he/she wants. You might want to inform your realtor that the cost will go up.
A less expensive option is to buy a nodal device for your tripod, use your existing gear, take a two frame pano, and stitch in post. It won't look distorted and you'll get the same or greater field of view.
Great advice.