[Need Help] Canon 40D+BG-E2N+Sigma8mm Set Up

Hi All
I'm new here and will start wit panorama.
Anyway I jut bough Sigma 8mm f3.5 and NN5L for my Canon 40D
But I still confuse to set up my NN5L for my 40D if i use my BG-E2N

If anyone have experience about it I will appreciate if You can assist me.

Thank You

Cheers, roni

from the database.
http://nodalninja.com/nodal_ninja_3_..._settings.html
Without battery grip:
Lower rail
NN5 w/CP - 54.5
Upper rail
90.5

Now measure the height of the battery grip, and add to to the lower rail value.


nick

Thank You Nick