Re: Canon EF 200-400 f/4L IS Announced
If you look at a larger image of the lens, you can see a 'bump' behind the lug for the lens carrying strap, right under the switch for the internal extender. That switch appears to be a small lever, which I presume swings the lens elements for the internal 1.4x extender out of the optical path and into that 'bump' when the extender is 'off'.
A constant f/4 zoom is a whole different beast than a variable (f/4.5-5.6) zoom like the 100-400mm. As others have stated, this new Canon lens is most similar to the Nikon 200-400mm f/4, which is 15" long, nearly 8 pounds, and costs $6800. The Canon has a built-in TC, and that expensive white paint, meaning it will come in at least $1K more than the Nikon counterpart.
Ah, but it's not really two lenses in one. First off, even the new 2x III has a noticeable negative impact on IQ of the 70-200 II. Second, adding a teleconverter to a lens in the field is actually much more difficult than simply switching lenses (which I guess is one big reason Canon built it in to the new zoom). IMO, the better bet is a 70-200mm zoom paired with a longer prime lens. If Canon were to release a 400mm f/5.6L IS for around $1700 or a 500mm f/5.6L IS for under $2300, that would be a big seller, I think, and a great complement to the 70-200mm II.
Isurus said:So how exactly does "switching off the teleconverter" work? That's the part that has me most intrigued. You can't remove it, but you can turn it off?
If you look at a larger image of the lens, you can see a 'bump' behind the lug for the lens carrying strap, right under the switch for the internal extender. That switch appears to be a small lever, which I presume swings the lens elements for the internal 1.4x extender out of the optical path and into that 'bump' when the extender is 'off'.
bvukich said:I got my number by taking the 100-400, and adding 50%; but looking at the pricing of f/4L primes in that range, your numbers look more realistic.
A constant f/4 zoom is a whole different beast than a variable (f/4.5-5.6) zoom like the 100-400mm. As others have stated, this new Canon lens is most similar to the Nikon 200-400mm f/4, which is 15" long, nearly 8 pounds, and costs $6800. The Canon has a built-in TC, and that expensive white paint, meaning it will come in at least $1K more than the Nikon counterpart.
tomscott said:In my opinion a better option is to have the 70-200mm with a 2x extender which pretty much gives you a 100-400mm, although obviously not as sharp and the length (which is the major point of this discussion) etc then it is 2 lenses in one.
Ah, but it's not really two lenses in one. First off, even the new 2x III has a noticeable negative impact on IQ of the 70-200 II. Second, adding a teleconverter to a lens in the field is actually much more difficult than simply switching lenses (which I guess is one big reason Canon built it in to the new zoom). IMO, the better bet is a 70-200mm zoom paired with a longer prime lens. If Canon were to release a 400mm f/5.6L IS for around $1700 or a 500mm f/5.6L IS for under $2300, that would be a big seller, I think, and a great complement to the 70-200mm II.
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