Joe,
My wife and I have the Sigma 70-200 2.8 EX. An
excellent lens, works without a problem on the ZX-5n.
It also has a nice manual focus feel for an AF lens, so
it gets good use on the LX too. It is big, but balances
well. Lens is sharp [based on my untrained eye looking
at 8 x 12 enlargements] and crisp/contrasty, more so
than the Pentax 80-320. It usually gets used wide
open. The matching 1.4x EX teleconvertor [there's a 2x
too, but I have no experience with it] seems to work
with no noticable image quality loss. The lens comes
with a removable tripod mount, hood, and a case.
Two complaints: [1] the AF/MF clutch does not
affect the AF/MF setting on the ZX-5n, so you have to
change both, and [2] flare resistance is good, but not
up to SMC standards.
Steve
>>>>>>>>>>>>>>>>>>
The FA 80-200 f2.8 is beyond reach right now, so I am
considering Sigma
and Tokina. Does anyone have experience with
either of the following?
Sigma 70-200 f2.8 EX APO
Tokina 80-200 f2.8 AT-X 828AF Pro
Specifically, how do they perform wide open?
Thanks,
Joe
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