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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 16 Aug 2011 (Tuesday) 20:37
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1.4 & 2X Extenders

 
KarlGB77
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Location: Delaware
     
Aug 16, 2011 20:37 |  #1

So lets talk about these extenders and how sharp they are along with how well they work with different lenses and body's.

I have a 70-200 IS 2.8 II and a F4 IS along with a 24-105.
A bunch of other lenses but I imagine that I would only want to use these with the longer stuff.
5D2 and a couple T2i's as well.

Please feel free to talk about the sharpness and compatibility with what you feel is good and bad.
When I think about buying an extender and being able to get that extra reach without losing too much in sharpness I think I need to add one of these.

But which one and why?

Thanks in advance.

Karl


Canon 5D Mark III, 5D Mark II, T2i (2), 24-105 f4LIS, 17-40 f4L, 70-200f4L IS, 70-200 2.8L IS II, 100 2.8, 85 1.8, 50 1.4, 50 1.8, 15-85 f4-5.6 IS, 60 2.8, 18-55 IS, 55-250 IS, 430 EX II, 580 EX II, Manfrotto 055XPROB Tripod w/ 498RC2, Calumet 8121 Tripod, Manfrotto 679B Monopod w/ 234 RC2 head

  
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uOpt
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Aug 16, 2011 20:40 |  #2

The 24-104 does not take the Canon extenders and is not recommended for other extenders.

I have a little test of the 1.4x Mk II here. I like it.
https://photography-on-the.net …showthread.php?​p=12893895


My imagine composition sucks. I need a heavier lens.

  
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MOkoFOko
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Aug 16, 2011 20:41 |  #3

When it comes to the 2x TC, I prefer the Kenko MC4 DGx 2x TC vs the Canon 2x II TC... mainly due to the weight and size. The Canon variant has a lot more glass inside and is twice as tall. In my Lowepro Slingshot 300 pack, I can barely fit in a 70-200, gripped body, with 2x Kenko attached. With the Canon TC, it's too long by nearly 2 inches.

As far as performance goes, more light lost in the canon variant. Contrast and sharpness are nearly identical. Huge difference in price ($100 vs $240). Go with what makes the most sense to you.


My Gearlist

  
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Ebwly
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Location: Melbourne/Canberra
     
Aug 16, 2011 20:52 |  #4

MOkoFOko wrote in post #10356758 (external link)
Body
Canon 7D (gripped)
Canon 1D mark II
Canon EOS 5D classic (gripped)
Canon EOS 30D
Canon EOS T3i
Canon EOS 10D (720 IR)
Canon EOS Rebel II (I'm trying FILM!) :D

Lenses
Canon 70-200mm f/2.8 IS II L
Canon 24-70mm f/2.8 L
Canon 24-105mm f/2.8 L
Canon 16-35mm f/2.8 L
Canon 100mm f/2.8 L Macro
Canon 18-55mm IS (backup)
Sigma 50mm f/1.4
Canon 35-80mm Power Zoom

WOW where can I get one and how?


7D, 17-55 f2.8 IS, 70-200 f2.8 IS II, 50 f1.4

  
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KarlGB77
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Aug 16, 2011 21:37 |  #5

Lots of negative reviews on Amazon on the 2X.
Should I stay with the 1.4X on the 7-200 2.8 II ?


Canon 5D Mark III, 5D Mark II, T2i (2), 24-105 f4LIS, 17-40 f4L, 70-200f4L IS, 70-200 2.8L IS II, 100 2.8, 85 1.8, 50 1.4, 50 1.8, 15-85 f4-5.6 IS, 60 2.8, 18-55 IS, 55-250 IS, 430 EX II, 580 EX II, Manfrotto 055XPROB Tripod w/ 498RC2, Calumet 8121 Tripod, Manfrotto 679B Monopod w/ 234 RC2 head

  
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MadTony
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Aug 16, 2011 22:01 |  #6

I like my 2xIII on my mkii, and the 1.4xII is great on it as well.


Adam Pender
5DIII | 7DII | 16-35 f/4L IS | 24-70 f/2.8 L II | 70-200 f/2.8L IS II | 100-400 L IS II
Samyang 14/2.8 | TS-E 24 f/3.5L II | | Sigma 35 f/1.4 Art | 100 f/2.8L IS | 1.4x III | 2.0x III | 580EXII | 430EX
For sale:24-105 f/4L IS, 24 f/1.4L II
www.adampenderphotogra​phy.com (external link)

  
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Andrew_WOT
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Aug 16, 2011 22:23 |  #7

MadTony wrote in post #12948547 (external link)
I like my 2xIII on my mkii, and the 1.4xII is great on it as well.

Second that, 2X III is very, very good on 70-200 MKII, and 1.4x II is close in performance to 1.4x III except III has better CA correction at edges, which is easily fixable in ACR.




  
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bboehm
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Aug 16, 2011 22:26 |  #8

I love the 2X III on the 70-200 MKII. I also like the portability of this combination.


7D, 50D, EFS 17-85mm IS, 24-70mm f/2.8L, 50mm f/1.2L, 70-200 f/2.8L IS II, 2X Extender III, Calumet Genesis 400, Speedlite 430EX, Pocket Wizards

  
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themadman
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Aug 16, 2011 22:30 |  #9

Silverfox1 has done a lot of tests with different teleconverters and they are pretty good.

You can find them here: https://photography-on-the.net …p=11838240&post​count=2707


Will | WilliamLiuPhotography.​com (external link) | Gear List and Feedback | CPS Member | Have you Pre-Ordered Your 3Dx Yet? | HorusBennu Discussion | In honor of Uncle Steve, thanks for everything! 10-5-2011

  
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Edwin ­ Herdman
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Aug 16, 2011 22:30 as a reply to  @ bboehm's post |  #10

T1i + EF Extender 2X III + TS-E 90mm - didn't strike me as great, haven't tested it out in great depth though. Aperture reported wrongly to the camera (still shows as f/2.8 wide open, even though it's now f/5.6).
+ Sigma 120-300mm f/2.8 OS - introduces some AF problems and maybe exaggerates the metering problems of the camera. Image quality across the full frame is great though.

Recently I accidentally touched one of the elements on the extender very slightly, and it didn't leave a mark. My fingers were very clean and dry, but dang. Note to myself, I should have used the q-tip sitting there on the table to get that piece of dust out (or just left it, it wasn't bothering anything).




  
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KarlGB77
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Aug 17, 2011 10:44 |  #11

So the 2X III is the best bet for the 70-200 2.8 II. ?
Do any other lens makers have anything as good or better?

Thanks


Canon 5D Mark III, 5D Mark II, T2i (2), 24-105 f4LIS, 17-40 f4L, 70-200f4L IS, 70-200 2.8L IS II, 100 2.8, 85 1.8, 50 1.4, 50 1.8, 15-85 f4-5.6 IS, 60 2.8, 18-55 IS, 55-250 IS, 430 EX II, 580 EX II, Manfrotto 055XPROB Tripod w/ 498RC2, Calumet 8121 Tripod, Manfrotto 679B Monopod w/ 234 RC2 head

  
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uOpt
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Aug 17, 2011 12:05 |  #12

How does the Kenco 300 2x compare to the Canon 2x Mk III?


My imagine composition sucks. I need a heavier lens.

  
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koala ­ yummies
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Aug 17, 2011 12:21 as a reply to  @ uOpt's post |  #13

I only use the 1.4x, and that's only if I have to use it to get the shot. I tried out a 2x and was not impressed by the reduction in quality, too soft, too much added distortion in my opinion. This is a product you really should try out first before buying. I had always planned on getting a 2x, but after I tried it out it changed my opinion completely. I carry my 1.4x in my bag everywhere, but like I said, I'll only use it if it absolutely have to, as there is still a reduction in image quality, and auto-focusing speed.

I use it on my 70-200 f2.8 non-IS.


flickr (external link)

  
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DarklingSmilie
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Aug 17, 2011 13:30 |  #14

Im looking at the Kendo MC4 DGx 2x at the minute for use with my 40D and 70-200 f4L at airshows, anyone tried the combo of this TC with the f4l?


My Flickr (external link)

  
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uOpt
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Aug 17, 2011 13:40 |  #15

DarklingSmilie wrote in post #12952536 (external link)
Im looking at the Kendo MC4 DGx 2x at the minute for use with my 40D and 70-200 f4L at airshows, anyone tried the combo of this TC with the f4l?

That will probably leave you with no autofocus unless you tape up a couple pins.


My imagine composition sucks. I need a heavier lens.

  
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1.4 & 2X Extenders
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