I usually pack a full carryon bag of gear for the trip and then take a smaller selection on outings. For a trip like this, some lenses won't go with me. I can't see bringing a beast like the 300mm f/2.8. It would be fantastic for Fantasmic, but not really worth the hassle.
The 85mm f/1.2 will also stay home. It takes wonderful portrait shots with extremely blurred out backgrounds, but that hardly seems well suited to a Disney trip. In theory, it could make a decent low light lens for rides, but it focuses at glacial speeds. It would be good for low light rides that get stuck, but not for ones that are moving.
I'm leaning towards bringing the 135mm f/2. I think it will make a nice lens for some shows like the FotLK. I'm still on the fence on that one.
I'll bring either the 24-70 f/2.8 or the 24-105 f/4 IS, but not both. The latter is lighter, has a longer range, and has IS. The former is faster. I'm not sure, but I'm leaning towards the 24-105.
I wouldn't think about leaving the 17-40mm f/4 or the 70-200mm f/2.8 at home.
I'm leaning against bringing the 24mm TS-E. It would be loads of fun to use, but using it properly requires using a tripod and spending a lot of futzing time. I'll bring a tripod on the trip and on a couple of excursions to the park, but not enough to be make bringing this lens worthwhile. It is one of my favoirte lenses to use when I go out on a dedicated shooting outing, but most of my Disney photography is run and gun without slowing the family down.
I'm not bringing the macro. Again, macro shooting is a slow, futzing endeavor for me. I might through in a close-up filter, but I doubt that I'll even do that.
The 50mm f/1.8 is tiny and moderately useful. I'll toss it in.
The fisheye is another tiny lens that costs so little to bring that I'll definitely throw it in.
I'll leave the Sigma 12-24mm at home. I don't really like it. I should probably sell it. I think it's a nice crop camera lens, but it is way too soft in the corners on full frame.
I really like the notion of a 24mm f/1.4. There are some used ones at KEH for not too much money. I'm likely to pick one up. That might be a fun one to use on dark rides or for things like the Halloween parade.
The GoPros are definitely going. I had a blast using them at Elitch Gardens. We'll probably bring them with a chest strap and a wrist strap again. I can see bringing them every day to every park.
I doubt that I'll bring the point and shoots. The kids sometimes use them, but I think they'll be preoccupied on a trip like this.
So what will I actually take into what parks? This is where I'm looking for inspiration.
Universal and Islands of Adventure - Could be just the GoPros. Maybe the 5D with the 24-105mm and the 50 f/1.8 or the 24 f/1.4. I really don't know what to expect, so I'm having a hard time with this.
Waterparks - Just the GoPros. The exception would be the surfing morning. My wife is going to shoot us so I might have her bring the 70-200 f/2.8 and the 7D (longer reach, better AF).
For the major Disney parks, I'll probably have one camera with the 24-105 or the 17-40 as a base camera and then outfit the other with something longer (70-200 or 135) and bring a couple of specialty lenses (24 f/1.4, 50 f/1.8, fisheye) each day.
I'll definitely bring the tripod and a flash or two. I'll only take the tripod with me on a few outings (probably the
MNSSHP and maybe one or two evening shooting outing), but it'll be nice to have on those occasions. I'll probably drag a flash around and never bother to use it. Other than fill flash, I haven't done a lot of flash at Disney. Maybe I should think about using it more.
Of course, I'll bring the usual assortment of other stuff - polarizers, neutral density filters, cleaning stuff, remote shutter release, bubble level, etc. I'll probably also bring a portable audio recorder. The audio on the GoPros is pretty weak in an open shell and virtually useless in a closed shell.
As far as fashion outfitting, it's all good. Whether I'm wearing a custom tailored business suit or swim trunks and a T-Shirt, I always have that "stay away from him...that geek is hard core" look about me.
I'm still looking for inspiration, so if you want to chip in with a "man, if you had lens X in situation Y, it would be awesome", I'm all ears.