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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 25 Aug 2010 (Wednesday) 23:12
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300L 2.8 II and 400L 2.8 II

 
CountryBoy
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Aug 26, 2010 16:15 |  #91

george m w wrote in post #10794452 (external link)
You need to remember these types of products are marketed primarily for working pros. A pro looks at these costs in a business way, and as such, it just sort of becomes "a number"....that is offset by other "numbers".....such as...."how much money is this thing gonna make me ?"
In other words....don't look for them to turn the price down. You are either a pro and can justify it, or you are a serious amateur and can simply afford it.

Or you're a pro and buy Nikon !


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Aug 26, 2010 16:20 as a reply to  @ post 10795050 |  #92

I'll be upgrading my 400mm - if just for the weight alone.

The Tripod loads will also be lighter, so the heavy tripods may be left behind in favor of more portable ones.




  
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Aug 26, 2010 16:47 |  #93

Where can I find 7k for that 300? Hmm....




  
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Aug 26, 2010 16:57 |  #94

For those who understand the internal design of lenses here are Lens Construction Diagram

300 2.8L IS II' Lens Construction Diagram

http://www.canon.com.a​u …s/EF300mmf28LIS​IIUSM.ashx (external link)

400 2.8L IS II' Lens Construction Diagram

http://www.canon.com.a​u …s/EF400mmf28LIS​IIUSM.ashx (external link)

Once downloaded change file extension to .pdf


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Aug 26, 2010 17:55 |  #95

fnothaft wrote in post #10794074 (external link)
I mean, yes, that is accurate. I didn't say that they won't. I'd even venture to say that it's pretty clear that non-stacked TC's have an effect on IQ, seeing as the MTF charts get worse with the 1.4x and 2x TC's. I'm an engineer, you don't need to dismiss my question with the assertion that physics exists and that systems are not ideal.

My point was, a TC should have uniform impact across lenses. Since the MTF of the 400L II with a 2x is better than the MTF of the 800L, the MTF of the 400L II with a 2x and a 1.4x stacked should be better than the MTF of the 800L with a 1.4x TC. My question is, is there some reason that this assertion would not hold? I'm not talking about AF speed or any other qualities, I am talking explicitly about MTF.

The mft's are computer simulations and theoretical. They don't take into account any potential production or manufacturing tollerences. But the recent Canon lenses have been substantially superior optically. There's pleny of people ditching thier 300mm f4 IS L's after they upgraded their 70-200/f2.8 IS L lenses to the MK II version. It's THAT good and it's effectively free if you sell your old 300L and 70-200/2.8 IS L. Just add a 1.4 II tc but you get the extra IS ability and the reduced MFD. I think it's something that we'll see more of. The lenses are more expensive, but we'll need less of them. I can see that a 300/2.8IIL is now far more veratile than the old one. It makes a sharp 300/2.8, 400/4 and 600/5.6.


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Aug 26, 2010 21:35 |  #96

GMCPhotographics wrote in post #10795613 (external link)
The mft's are computer simulations and theoretical. They don't take into account any potential production or manufacturing tollerences. But the recent Canon lenses have been substantially superior optically. There's pleny of people ditching thier 300mm f4 IS L's after they upgraded their 70-200/f2.8 IS L lenses to the MK II version. It's THAT good and it's effectively free if you sell your old 300L and 70-200/2.8 IS L. Just add a 1.4 II tc but you get the extra IS ability and the reduced MFD. I think it's something that we'll see more of. The lenses are more expensive, but we'll need less of them. I can see that a 300/2.8IIL is now far more veratile than the old one. It makes a sharp 300/2.8, 400/4 and 600/5.6.

This is exactly what I've been thinking. I've always wanted the 500 f/4 for wildlife, but the new 300 could be a much more versatile lens if it lives up to its hype. Plus, it would cost about the same as the current 500. I'm sure the new 500 will be awesome, but very expensive.


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Aug 27, 2010 08:30 as a reply to  @ KayakPhotos's post |  #97

That new 300mm does look tempting (except for the price). I'm wondering how much it would cost to sell my 300mm F2.8IS for the MKII version.
Only if it's better in real life of course.


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Aug 27, 2010 11:58 |  #98

jdizzle wrote in post #10795045 (external link)
I swear that new 400 really looks like the "Redeemer" in Unreal Tournament. :) I can't help to think how sexy that thing looks. :)

Wow, blast from past,. must find old CD's and install on new graphics workstation when no one is looking...


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Aug 27, 2010 12:01 |  #99

40Driggs wrote in post #10796894 (external link)
This is exactly what I've been thinking. I've always wanted the 500 f/4 for wildlife, but the new 300 could be a much more versatile lens if it lives up to its hype. Plus, it would cost about the same as the current 500. I'm sure the new 500 will be awesome, but very expensive.

With the 400mm being LIGHTER than the old 500mm, it is suddenly the dream wildlife lens that so many have theorized the old one was, but were wrong about do to it's cumbersome nature.

IMHO the 300mm f/2.8 has always been an amazingly flexible tool... so all that changes now is it may be even sharper!
But no 300mm with a 2X will be the same as a 500mm naked.. or even with a 1.4x.

That all said, how light will the new 500mm and 600mm be??


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Aug 27, 2010 12:06 |  #100

True...

There is a marked difference in IQ between the (current) 300 + 2X and the 500 "naked."

Nothing says native reach like, well, native reach...


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Aug 27, 2010 12:14 as a reply to  @ FlyingPhotog's post |  #101

Well the current range are super sharp, can they make them even sharper???


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Aug 27, 2010 12:16 |  #102

According to the published MTF charts, yes...


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Aug 27, 2010 12:46 |  #103

CyberDyneSystems wrote in post #10800394 (external link)
With the 400mm being LIGHTER than the old 500mm, it is suddenly the dream wildlife lens that so many have theorized the old one was, but were wrong about do to it's cumbersome nature.

IMHO the 300mm f/2.8 has always been an amazingly flexible tool... so all that changes now is it may be even sharper!
But no 300mm with a 2X will be the same as a 500mm naked.. or even with a 1.4x.

That all said, how light will the new 500mm and 600mm be??

I'd almost be wiling to put money on the new 500 being lighter than the old f/4.5 non IS model!

I'd love to get one, but I don't have that kind of coin. Maybe a used 500 MKI sometime in the next couple of years, you know right before Canon stops servicing them!


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Aug 27, 2010 13:27 |  #104

Can't wait to see the specs of the new 500


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Aug 27, 2010 13:50 |  #105

Methodical wrote in post #10800874 (external link)
Can't wait to see the specs of the new 500

Other than matching or exceeding the new 300 and 400 I bet it'll be less than 3 kilograms. bw!

Sadly I wish I didnt buy my 500 late last June. :(


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300L 2.8 II and 400L 2.8 II
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