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FORUMS Canon Cameras, Lenses & Accessories Canon EF and EF-S Lenses 
Thread started 15 Jul 2009 (Wednesday) 12:58
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Which teleconverter for Bigmos?

 
Rocktoe
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Jul 15, 2009 12:58 |  #1

Ok, it seems that only too much is enough for me. :lol:

I've been looking at Sigma/Tamron/Canon 1.4x TC's for my Bigmos to expand the reach even further! Is there something I should know about them and their compatibility or are they pretty much the same? I'm leaning towards the Sigma because the other ones are white and look silly with a black lens. :p

Edit: Oh damn, there's a sticky right above my post... How do I always miss these things?


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advaitin
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Jul 15, 2009 13:04 |  #2

There are several threads that address this if you do a search on the 150-500. The root answer is that Canon TCs do not fit the Bigmos--diameter of the tube into which the front of the TC must fit, and is designed to mate with the Sigma versions.

I don't know about the newer Tamron versions, but the old MC-7 series TCs from Tamron/Kenko will fit just about any body/lens combination--quality might be an issue.


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CyberDyneSystems
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Jul 15, 2009 13:12 |  #3

Short answer, None. IMHO they aren't that useful on a lens like the BIGMOS.
But if you have your heart set, the Kenko will fit, and work optically.


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Rocktoe
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Jul 15, 2009 13:14 |  #4

advaitin wrote in post #8285383 (external link)
There are several threads that address this if you do a search on the 150-500. The root answer is that Canon TCs do not fit the Bigmos--diameter of the tube into which the front of the TC must fit, and is designed to mate with the Sigma versions.

I don't know about the newer Tamron versions, but the old MC-7 series TCs from Tamron/Kenko will fit just about any body/lens combination--quality might be an issue.

Ah, I guess it's safest to just go with the Siggy brand TC's. I don't mind that.


Look behind you! A three-lensed camera!

450D | Sigma EF 530 DG ST Flash | Canon 50mm f1.4 | Canon 85mm f1.8 | Sigma 17-70mm f2.8-4.5 DC Macro | Canon 70-200 f2.8L |

  
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condyk
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Jul 15, 2009 13:22 |  #5

I'm sure the results will be mainly crappy and you won't get AF ... so trying to get a crisp shot through a XSi using MF will be something of a 'challenge. I expect to see that TCon in the For Sale section sometime soon :-)


https://photography-on-the.net …/showthread.php​?t=1203740

  
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Rocktoe
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Jul 15, 2009 13:27 |  #6

condyk wrote in post #8285491 (external link)
I'm sure the results will be mainly crappy and you won't get AF ... so trying to get a crisp shot through a XSi using MF will be something of a 'challenge. I expect to see that TCon in the For Sale section sometime soon :-)

Nah, I can always store it for later use with some other lens.


Look behind you! A three-lensed camera!

450D | Sigma EF 530 DG ST Flash | Canon 50mm f1.4 | Canon 85mm f1.8 | Sigma 17-70mm f2.8-4.5 DC Macro | Canon 70-200 f2.8L |

  
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advaitin
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Jul 15, 2009 13:30 |  #7

Just so you know, the f6.3 becomes a f9, more or less and you have to focus the thing manually. I went out and shot this by my door. ISO 800, 1/500s @ f9, OS on and 700mm w 1.4x full frame. The crop is sharpened slightly.


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advaitin
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Jul 15, 2009 13:31 |  #8

Messed up. here's the images.


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Rocktoe
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Jul 15, 2009 13:33 |  #9

advaitin wrote in post #8285524 (external link)
Just so you know, the f6.3 becomes a f9, more or less and you have to focus the thing manually. I went out and shot this by my door. ISO 800, 1/500s @ f9, OS on and 700mm w 1.4x full frame. The crop is sharpened slightly.

Yeah, I'm aware of that. Thanks for the samples, looks pretty good!


Look behind you! A three-lensed camera!

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artyman
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Jul 15, 2009 16:44 |  #10

I have the Sigma 1.4 which I use with my 150-500 and it is fine. This is a crop by the way :D

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Which teleconverter for Bigmos?
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