produce the
180 f3.5 EX Macro. Any comments/opinion appreciated.
John
-- Original Message ---
From: Mark Roberts [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Mon, 11 Oct 2004 15:17:50 -0400
Subject: Re: Sigma AF 1.4X worth considering?
Rob Brigham [EMAIL PROTECTED] wrote:
There were
produce the
180 f3.5 EX Macro. Any comments/opinion appreciated.
John
-- Original Message ---
From: Mark Roberts [EMAIL PROTECTED]
To: [EMAIL PROTECTED]
Sent: Mon, 11 Oct 2004 15:17:50 -0400
Subject: Re: Sigma AF 1.4X worth considering?
Rob Brigham [EMAIL PROTECTED] wrote
John Whittingham [EMAIL PROTECTED] wrote:
I have a Sigma 1.4 EX works very well with the Sigma 300 f/4 APO, all this
discussion has got me wondering..has anyone tried the 1.4 with the
Sigma 105 EX Macro? Sigma does not recommend this combination on their site
but I'm wondering if this
]
To: [EMAIL PROTECTED]
Sent: Tue, 12 Oct 2004 06:59:49 -0400
Subject: Re: Sigma AF 1.4X worth considering?
John Whittingham [EMAIL PROTECTED] wrote:
I have a Sigma 1.4 EX works very well with the Sigma 300 f/4 APO, all this
discussion has got me wondering..has anyone tried the 1.4
There were several versions (at least 2 anyway) - the EX ones are pretty
good, but before that less so. You need to check that the rear element
of your lens will not crash into the front element of the convertor as
it stands proud of the housing. Sigma have a compatibility table on
their website
Rob Brigham [EMAIL PROTECTED] wrote:
There were several versions (at least 2 anyway) - the EX ones are pretty
good, but before that less so. You need to check that the rear element
of your lens will not crash into the front element of the convertor as
it stands proud of the housing. Sigma have
the latest ones seem pretty good, better than the Kenko or Tamron ones in
Pentax mount anyway. they will work on MF lenses as they support AF by
having a passthrough for the drive shaft used by Pentax AF lenses. as
pointed out elsewhere, the frontmost element is very far forward and can
interfere
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