There is "Tamron SP F System", which was designed for different camera
manufacturer's lenses. You need the SP version (with 7 elements) for
maximum performance. I had the 4 element version which was very poor,
the 2X SP is very sharp, but higher field curvature, for landscapes you
need to stop down the prime to around F4, for macros you may not
notice the problem.The Tamron has the advantage of able to use on
many Zuikos, but the Olympus 2X-A can only fit a small range of lenses.
No matter what brand of 2X, you will need the 6 or 7 elements one for better
performance, the 4 elements can be use...but for non important shoots.
C.H.Ling
>Don't try the Tamron, it is designed to be used with the Tamron lenses with
>adapter removed, therefore won't work on OM. Vivitar 75-250 or 70-150 is
>good for "Vert" because they are a little longer than 25mm and will give
>higher magnifications. Standard Vivitar TC comes apart quite easily. Good
>ones to buy are Soligor or other "off brand" types- really cheap!
>I've picked up a few TC's for ~$10 stores. Can likely get one for you in ~
>1 week.
>Brian P. Huber
>
>Troy, OH
>bphuber@xxxxxxxxxx
>
><snip>
>Any word on the Vivitar 2X (is this "Vert"?) matched for their 75-150,
>or tamron 2X SP, or other recommendation? I doubt I could afford a
>genuine zuiko 2X A, if I could even find one...
>Dylan
< This message was delivered via the Olympus Mailing List >
< For questions, mailto:owner-olympus@xxxxxxxxxxxxxxx >
< Web Page: http://Zuiko.sls.bc.ca/swright/olympuslist.html >
|