Real camera to VRay Camera ?

[duke2]

There have been a few threads about this but the solution given hasn't ever worked for me. If I have an image with the following EXIF data:

Focal length - 7.4
Exposure Time - 1/640
F-Number - 4.0
ISO - 80

..and dpreview.com says my camera has these characteristics:

Sensor size - 1/1.7 " (7.60 x 5.70 mm, 0.43 cm²)

As I understand it, this converts to a VRay Camera with the following:

Film Gate - 43mm
Focal Length - 7.4mm
F-Number - 4.0
Shutter Speed - 640
ISO - 80

However this results in an awfully wide and distorted VRay Camera. What am I getting wrong? As much as I love eyeballing it, VRay Camera is meant to be physically based and thus i'm sure there is a way of converting from a real camera to a VRay Camera!

Here is the photo with EXIF in-tact:
http://www.georgerolfe.com/IMG_2639_small.jpg

[dlparisi]

Your film gate should be 7.6mm.