Hi guys,
A close friend asked me to photograph his wedding to help him save money. They don't have many "must-have" shots and really just want a few of them together in the church. The reception won't be a typical reception, but at a restaurant (where I don't think there will be dancing and the likes). The bride told me the lighting at the restaurant isn't the greatest either.
My question is whether or not my gear will cover what they are looking for. I mainly do nature/wildlife/landscapes/travel stuff, so I'm not sure if I am well-equipped for the job. After reading some posts, I'd probably rent the 70-200 f/2.8 (IS or non) and maybe the 24-70 L... but if I could get away with not having to rent that would be superb 
From my gear bag, would I be able to get away with these:
1) Sigma 30mm f/1.4
2) Canon 50mm f/1.8
3) Canon 70-200 f/4 L (non-IS)
4) Tokina 11-16mm f/2.8 (can I get creative with this?)
I've been in the market for a tripod upgrade and one of the Canon Speedlites to expand my horizons, but never found a "good" reason to get them until now...
Your input is truly appreciated!

So I 



