Samu,
To my knowledge Tokina has never used adaptors - their lenses have all been
built for specific cameras. Not all Tamrons use the Adaptall system. Some
were built for specific lens mounts.
Reportedly, the only compromise involved with interchangeable mounts is not
of optical quality, but of actual focal lengths. The mounts must vary
somewhat for different mounts, so a nominal 80-200mm zoom may actually be a
70-190mm zoom on one camera, or a 65-180mm on another. Not a serious
compromise in exchange for the ability to be able to switch a single lens
between different brands of SLRs.
Lex
----Original Message Follows----
From: "Samu Mielonen" <ex@xxxxxxx>
I'm looking for used teleobjectives (perhaps even zooms) in the 80-200mm
range. I've now located one possible Tamron 80-200mm, but I'm at loss
whether this will fit my OM-4Ti.
Did they manufacture these lenses (Tokina/Tamron 80-200mm) with different
mounts or did they use some sort of adapters?
Also, what are the drawbacks to using adapters (say adaptall adapters)?
Weight? Image quality? Length? etc?
Samu
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