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Author Topic: A Big Lens Announcement in September? [CR1]  (Read 26710 times)

dlleno

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Re: A Big Lens Announcement in September? [CR1]
« Reply #105 on: August 29, 2013, 05:21:26 PM »
Yessss.   A constant aperture f4 that will take a 1.4x nicely and a 2x in a pinch.   80 vs 100 I don't care it's just a label and the difference is not that important

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Re: A Big Lens Announcement in September? [CR1]
« Reply #105 on: August 29, 2013, 05:21:26 PM »

Kit.

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Re: A Big Lens Announcement in September? [CR1]
« Reply #106 on: August 29, 2013, 06:35:20 PM »
The after market already has $1500  70-200 f/2.8 offerings.  I don't see the motivation for Canon to compete in that arena.

One of the main issues a lot of people have with the current 70-200mm f/2.8 IS II is that it is too heavy to comfortably carry through the day, and it costs $2500.

By adding a EF-S F/2.8 70-200 or EF-S f/2.8 55-250 IS etc, Canon does a few things:
But 200mm/2.8 is 71mm of the entrance pupil no matter what mount is used at the back of the lens. That's a lot of glass, needing a lot of support. What makes you think that the EF-S version would be considerably cheaper and/or lighter?

sambafan

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Re: A Big Lens Announcement in September? [CR1]
« Reply #107 on: August 29, 2013, 06:36:51 PM »
You guys. It has to be a new 35/1.4, as I just bought one. You're welcome.

dlleno

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Re: A Big Lens Announcement in September? [CR1]
« Reply #108 on: August 29, 2013, 07:05:46 PM »
The after market already has $1500  70-200 f/2.8 offerings.  I don't see the motivation for Canon to compete in that arena.

One of the main issues a lot of people have with the current 70-200mm f/2.8 IS II is that it is too heavy to comfortably carry through the day, and it costs $2500.

By adding a EF-S F/2.8 70-200 or EF-S f/2.8 55-250 IS etc, Canon does a few things:
But 200mm/2.8 is 71mm of the entrance pupil no matter what mount is used at the back of the lens. That's a lot of glass, needing a lot of support. What makes you think that the EF-S version would be considerably cheaper and/or lighter?

yea thats the thing.  the only way to make it lighter is to use fewer elements and inferior construction materials, neither of these things would amount to a serious contribution in my opinon. Witness the $1250 Sigma, which is only two ounces lighter than the Canon.  The "cheaper" aspect might come from lesser build quality and inferrior glass at least in the rear elements, as the the image circle seen by the sensor does not have to be as large as in a FF. 

So the expectation of 70-200 that is lighter   remains a fiction.  one that is cheaper   could be acheived,  I suppose,  but I can't imagine settling for anything less than what is already available in the after market.  Canon would have to basically offer a me-too lens competing directly with  the current after market, or produce something even lower quality, say at $799 which frankly I can't imagine would be attractive or succesful.  In fact, as I mentioned in an earlier post, the market has already established that a low cost 70-200 in the $1k region has to be FF compatible,.  ergo, EF-S is'nt going to happen.

so -- what is being asked for here already exists:  The Sigma.  it isn't lighter but it is cheeper, and sports all the IQ features that are associated with the lower cost, compared to the $2500 canon:   inferior AF performance, CA, edge-to-edge sharpness, flare control and build quality.  and its FF compatible.

jasonsim

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Re: A Big Lens Announcement in September? [CR1]
« Reply #109 on: August 30, 2013, 02:05:48 AM »
I will 2nd or 3rd the guess for a new 800mm.  Sales of those must be pretty stagnant since the 600mm f/4L IS II came out.  I know I sold mine in favor of the new 600mm II.   Very few wildlife photogs are going to pay more for an 800mm, when the 600mm + 1.4x III renders more focal length (840mm) and has better image quality.  Plus I can put the  2x III on there and have a very usable 1200mm f/8 lens. 

Nikon has come out with their new 800mm lens, so Canon must answer.

That's my logic at least...I'd say it would need to be f/4 or be f/5.6 and much lighter in weight than the 600mm II to get some interest. 
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DzPhotography

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Re: A Big Lens Announcement in September? [CR1]
« Reply #110 on: August 30, 2013, 02:06:19 AM »
Let it be the 14-24 f2.8 pretty please!  ;D
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Eimajm

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Re: A Big Lens Announcement in September? [CR1]
« Reply #111 on: August 30, 2013, 02:33:58 AM »
Yessss.   A constant aperture f4 that will take a 1.4x nicely and a 2x in a pinch.   80 vs 100 I don't care it's just a label and the difference is not that important

Its never going to be F4, why do people keep saying this. They have just released a 200-400 @£12K, Canon are not going to release a 100-400 F4 which would compete with their flagship model, and to get a similar quality in a wider zoom range would mean better engineering and therefore higher costs. So you would be looking at again another £12K lens...

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Re: A Big Lens Announcement in September? [CR1]
« Reply #111 on: August 30, 2013, 02:33:58 AM »

Haydn1971

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Re: A Big Lens Announcement in September? [CR1]
« Reply #112 on: August 30, 2013, 02:53:19 AM »
Given the concept has been proven on the 200-400mm and that the 500 & 600mm have been replaced fairly recently, I'm half expecting a stupidly expensive 800mm with the 1.4x built in extender at some point in the future...

But stand by my earlier post of the "big" announcement being about a "small" lens or lenses - the 22mm & 18-55mm EF-M must be up there in the top 10 for total numbers manufactured, despite been panned by many, the mirror less market isn't going to go away and will be making a small fortune for Canon.  Thus, a launch of the 11-22mm in the US along with a 18-1xx or 55-2xx lens or all three !
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Re: A Big Lens Announcement in September? [CR1]
« Reply #113 on: August 30, 2013, 03:50:55 AM »
You guys. It has to be a new 35/1.4, as I just bought one. You're welcome.

In that case, it has to be the rumored 16-50L/4 that replaces the old 17-40L as I just bought that :-p ... but in each case, the new lens will be much more expensive, at least at first, so having bought the old one is not necessarily a bad thing.

Gadger

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Re: A Big Lens Announcement in September? [CR1]
« Reply #114 on: August 30, 2013, 05:46:35 AM »
I'm going with in order of importance (in my opinion :D)

1) 12/14-24L f/2.8 I want in the future  ::)

2) 100-400L IS f/4.5-5.6  I want  ;)  (won't be a straight f4, not having just launched the 200-400 f4 x1.4)

3) 16-50L f/4 IS  I want  ;)
« Last Edit: August 30, 2013, 05:48:08 AM by Gadger »

endiendo

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Re: A Big Lens Announcement in September? [CR1]
« Reply #115 on: August 30, 2013, 06:55:37 AM »
So let's start dreaming...
A 100-400 F4 constant, with build-in 1.4 converter (which keep the f4)..  for less than 2500 $.

could go well with a 7d markII
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Don Haines

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Re: A Big Lens Announcement in September? [CR1]
« Reply #116 on: August 30, 2013, 07:13:08 AM »
I will 2nd or 3rd the guess for a new 800mm.  Sales of those must be pretty stagnant since the 600mm f/4L IS II came out.  I know I sold mine in favor of the new 600mm II.   Very few wildlife photogs are going to pay more for an 800mm, when the 600mm + 1.4x III renders more focal length (840mm) and has better image quality.  Plus I can put the  2x III on there and have a very usable 1200mm f/8 lens. 

Nikon has come out with their new 800mm lens, so Canon must answer.

That's my logic at least...I'd say it would need to be f/4 or be f/5.6 and much lighter in weight than the 600mm II to get some interest.
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rs

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Re: A Big Lens Announcement in September? [CR1]
« Reply #117 on: August 30, 2013, 07:50:25 AM »
So let's start dreaming...
A 100-400 F4 constant, with build-in 1.4 converter (which keep the f4)..  for less than 2500 $.

could go well with a 7d markII
Yeah, and it could easily be the same size/weight as a nifty fifty. While they're creating such a technically simple lens, what about making the TC 4x which magically retains the f4 aperture?  ???

Or how about just taming down the design by letting the 1.4x TC obey the laws of physics by reduce the f4 aperture to f5.6 when engaged, and for simplicities sake, start at a more conservative 200mm at the wide end. It'll be cheaper, lighter, optically better, and physically possible. And while they're at it, why not call it the EF 200-400mm f/4 L IS USM Extender 1.4x?  ::)
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Re: A Big Lens Announcement in September? [CR1]
« Reply #117 on: August 30, 2013, 07:50:25 AM »

KyleSTL

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Re: A Big Lens Announcement in September? [CR1]
« Reply #118 on: August 30, 2013, 08:45:31 AM »
I can't remember how many times we've gone over this on this forum, but I'll present it again:

There is no size advantage for an EF-S telephoto lens

In the telephoto lens design the only two factors that will determine size are -
1) Focal length (e.g. 300mm), or longest focal length in the case of zooms
2) Aperture (e.g. f/4), or aperture at the longest focal length in the case of zooms

A 300mm f/4 lens, regardless of the sensor size for which is was design, will always have an objective (read: front) element of at least 75mm (math: 300/4=75), a 70-200mm f/2.8 will always have an objective of at least 72mm.  Now, having said that, they might be able to make some of the internal elements slightly smaller, or the overall length slightly shorter, but you will never decrease the size of the objective element.

Sigma and Tamron made APS-C f/2.8 telephoto zooms, but they have the same effective focal lengths as their full frame equivalents, not the same absolute focal lengths.  That is the only thing that gives those lenses a size advantage.
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Jim K

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Re: A Big Lens Announcement in September? [CR1]
« Reply #119 on: August 30, 2013, 08:47:40 AM »
If it's a BIG lens, the 800 II.
 
If it's the expected sales, the 100-400 II.

If it's not white it's not a Big Lens announcement.
« Last Edit: August 30, 2013, 08:49:22 AM by Jim K »
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Re: A Big Lens Announcement in September? [CR1]
« Reply #119 on: August 30, 2013, 08:47:40 AM »