-----Original Message-----
From: [EMAIL PROTECTED] [mailto:[EMAIL PROTECTED]]On Behalf Of Thomas Bantel
Sent: 14 April 2001 12:16
To: [EMAIL PROTECTED]
Subject: Re: EOS Can you stack teleconverters?
Scott Huguley wrote:
>>
>> Is there any problem is using more than one teleconverter (Canon) at a
time?
>> For instance, could I use a 1.4X and a 2X teleconverter on my 100-400 IS
>> lens?
>You would have to use a short (12mm) extension tube in between the two
>TCs to make them pyhysically fit. It's the same problem that prevents
>you from using the Canon TCs on most lenses, the protruding front
>element. Some lenses still allow you to focus on infinity with the two
>TC combo despite the extension tube, I don't know if your zoom is one of
>them.
Curiously enough, the Sigma EX tc's which like the Canon tc's have
protruding
elements can be stacked without the use of an extension tube.
>From memory, the 1.4x has to be on the body with the 2x between that and the
lens.
They will not work the other way around.
>FWIW, two days ago, I ran across a used 1.4x TC. At around US$ 180 for
>the TC in absolutely mint condition including the leather case and
>original packacking plus 6 months of warranty, I just had to buy it.
>Seems like a pretty good deal when compared with new prices.
Excellent deal. :)
Now, if you could find me a 400 f/2.8L IS for about $1000 I'd be a happy guy
:)
Paul.
N51°18'57"
W00°46'14"
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