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DPChallenge Forums >> Tips, Tricks, and Q&A >> canon extender 1.4x
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Showing posts 1 - 8 of 8, (reverse)
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12/07/2005 02:46:21 PM · #1
Does anyone know if the canon extender 1.4x will work with the canon 70-300 is usm.
if so has anyone seen any photographs taken with this combination
12/07/2005 02:58:14 PM · #2
It is not compatible with that lens.
12/07/2005 03:06:06 PM · #3
You might want to take a look at the Tamron 1.4x converter. It's supposed to be pretty good.

Here's a Sigma vs. Tamron 1.4x converter review by Petteri Sulonen:
//www.prime-junta.net/pont/Reviews/de_TC_vs_TC/a_Tamron_vs_Sigma_1.4x.html

Worth reading. Oh, and the downside to using the 70-300/4-5.6IS with a 1.4x teleconverter is, that the resulting aperture at 300mm will be f/8, thus crippling the autofocus on non-1 series cameras. You can trick the cmaera by taping the pins, but often it's just a waste of time as the lens will just hunt on and on.

Message edited by author 2005-12-07 15:06:13.
12/07/2005 03:16:59 PM · #4
The Canon extenders only work with the L primes and some L zooms and not any of the consumer lenses.
12/07/2005 04:01:35 PM · #5
I use the Tamrom 1.4 and specifically bought it over the Canon 1.4 because it worked with my 100mm macro, along with my other lens. :-) It is a great piece of glass (I have heard that it can have some softness in the corners, but since I shoot digital with a 1.6 crop, never noticed any problems).

---
spelling problems corrected :-)

Message edited by author 2005-12-07 16:03:31.
12/07/2005 04:03:44 PM · #6
Originally posted by cpanaioti:

The Canon extenders only work with the L primes and some L zooms and not any of the consumer lenses.


They will if you put the 12mm extension tube inbetween. ;o)
12/07/2005 04:11:14 PM · #7
Originally posted by Brent_Ward:

Originally posted by cpanaioti:

The Canon extenders only work with the L primes and some L zooms and not any of the consumer lenses.


They will if you put the 12mm extension tube inbetween. ;o)


LMAO!

With that setup, you could as well work with extension tubes in the first place.
12/07/2005 04:29:26 PM · #8
Originally posted by Uusilehto:

Originally posted by Brent_Ward:

Originally posted by cpanaioti:

The Canon extenders only work with the L primes and some L zooms and not any of the consumer lenses.


They will if you put the 12mm extension tube inbetween. ;o)


LMAO!

With that setup, you could as well work with extension tubes in the first place.


It's also how you stack the 1.4 and 2x together.
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