HughJasol wrote:
I almost rented a 2nd body but ended up just taking the one body. Per various forum recommendations, I left the 70-200 at home and took my 100-400mm (if I had owned my 150-600mm back then, I might have taken that instead) ...
I am probably taking 3 cameras: Canon 5D4, Canon 7D2 and a Panasonic Lumix LX100 (A great little easy to carry camera for indoor shipboard activities - has a very bright lens). When we are on excursions, the exact camera and lenses I take will depend on the excursion, but for example, for the whales (based in part of what you said and others on other forums) I will probably have the 5D4 with the 24-105mm and the 7D2 with the 70-200. Since there will be two of us, we each can carry one body/ lens and each have another lens at the ready.
HughJasol wrote:
If I were to take that same trip again, I'd bring the 7D2 (1.6x crop) with the either Sigma 150-600mm or the Canon 100-400mm, and then the 5D4 with the 24-105mm f/4. I would probably pack my 16-35mm f/2.8 too. I might consider bringing the 70-200 f/2.8 (but if I had the f/4 version I would bring that over the f/2.8 for sure), especially if I chose the 150-600mm over the 100-400mm (otherwise no coverage between 105mm and 240mm [FF equiv of 150mm]).
I have the Sigma 150-600 but fear that might be a bit much to lug around on a trip/ excursion with lots of other people? For the Eagle excursion, I am really debating between that Sigma or my much lighter Canon 300mm f4 L prime with a 1.4x extender in my pocket. My theory is, the 300 x 1.4 x 1.6 (crop factor) would yield equivalent of 672mm. But the big difference is, that 300 prime with extender would be f5.6, whereas the Sigma 150-600 starts at f5.6 but switches to f6.3 right at 388mm. I know 1/3 stop isn't a huge difference but I'm thinking the slightly brighter lens would allow somewhat faster shutter speeds to stop action and lower ISO to get equivalent exposure. I think I am going to take a trip to Bosque Del Apache before we go on this Alaska trip and try both combinations out on some of the raptors down there and see which yields more/better results. PS: If I had your 100-400 I don't think I'd even be debating this question (Hmmm, Christmas is coming up).
HughJasol wrote:
Note - for whale watching, the long telephoto might be too much (I missed an awesome breach because of too much focal length), so I'd have my 24-105mm or 70-200mm ready to go for that; although a long telephoto will come in handy for seals congregating on buoys along the way.
That sounds like a plan - For whales, 24-105 on the 5D4 and 70-200 on the 7D2.
Aside from the 24-105, 70-200 and 300 (or 150-600, not both), I will also likely pop in my Canon 10-18 EF-S lens for the 7D2 since it's very light and will fit easily in a jacket pocket. Lenses I'm probably leaving home (unless someone convinces me otherwise): Canon 50mm f1.4, Canon 135 f2, Canon 18-55 EF-S, Rokinon 14mm.
HughJasol wrote:
We got lucky and had pretty amazing weather for early May in 2018 . . .Hope your trip happens; if it does, it'll be one to remember!
I hope we have decent weather too, but even if we don't I'm sure it's going to be a blast.