I've uploaded a quick video of what I brought with me on my latest pre-wedding photoshoot. It was in the City, and I didn't want my bag to be too heavy, but it was anyway.
Here is the video:
I was testing out a new lens (the Sony 70-200/2.8 GM), so I took more than I normally would. My bag consisted of:
Sony A7Rii
Sony A7ii (for backup purposes)
Sony 70-200/2.8 GM
Sony 85/1.4 GM
Metabones adaptor
Canon 35/1.4
Canon 16-35/2.8
Batteries
Flash
Memory cards
Blackrapid camera strap
Blower brush & cloth
That's it. I didn't bring any off-camera flash equipment or tripod. I had a reflector, but left it in my car. This bag was still real heavy. I used all the lenses because I wanted to get re-aquainted with the old and try out the new, before our next wedding in 3 weeks. I was pretty happy with the results.
It would have been good if the ranger at The Rocks didn't come up to us and ask us to produce a permit. But anyway, our shoot was done by then.