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the current Nikon 80-400 VR is 2200.- francs, while the Fuji here goes for 1700.- 29%
weight difference 1570 gr. vs 1375 gr. 14% difference.
BUT that's a FF lens, like Klaus said. Much lower production quantities, electric diaphragm and focus by wire might also have an impact. Especially the latter is very not useful.
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Interesting to compare weight vs sensor area covered
Canon 1640gms - 864mm<sup>2</sup> - 1.9g/mm<sup>2</sup>
Fuji 1375gms - 370mm<sup>2</sup> - 3.7g/mm<sup>2</sup>
Panasonic 985gms - 225mm<sup>2 </sup>- 4.4g/mm<sup>2</sup>
Also the body weight should be considered
x-t1 440gms
6d/7d 860gms
gh4 570gms
All adds up.
<sup>so the fuji and mft lenses are close. I suppose we should also consider the effective focal lengths, here the canon looks less competitive. </sup>
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The Canon camera will have a shape and grip more comfortable with the weight and length of the lens.
The Fuji has more tele reach than the Canon used on FF (not when used on APS-C), the Panasonic even more.
It only makes sense to compare the Canon on APS-C to the Fuji, in my opinion.
The Canon 6D "only" weighs 760 grams (with battery and card), by the way.
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Depending where you are using this lens, an extra grip for X-T2 or even X-T1 gives more exposures, so at the end no weight advantage for Fuji. The batteries go down quickly once there's only 2 bars of indicator visible. And as mentioned, this lens sucks power once the camera is switched ON.
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It did occur to me that the extra grip would likely be used. Looking like the mft option is the way to go for people looking for a lightweight setup.
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I had zero difficulties using the lens on the naked X-T1.
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Good for you.
When I use "just" an X-E2 without grip, I need to be very "convincing" to move the zoom ring. Not to talk about manual focus with app. 700° from closest distance to ∞. I would appreciate if all that works a bit smoother and if there's a kind of intelligence behind the focus by wire which lets focussing speed increase when turning fast. To move the whole distance through, I have to grip and turn 7×, for me it just takes too long. But of course, AF set up to single and aim at something close to it, then override the AF is always a possibility.
