From: Larry Colen
On 11/17/2010 12:15 PM, Miserere wrote:
>> Well, in a roundabout way...
>>
>> http://kenrockwell.com/tokina/100mm-f28.htm
Is the Tokina 100/2.8 macro the same as the Pentax?
I'm pretty sure Tokina and Pentax worked together on the design. If it
were a pure Tokina design there ought to be a k-mount version available
from Tokina, although that may not mean as much as it once did.
It seems like Tokina decided to make newer lenses available only in
CanonEOS or Nikon mount, so just because it's not available in Pentax-K
doesn't seem to indicate Pentax's participation in the design.
I'm sure there's some relationship between Tokina and Hoya that divides
the field up so they're not competing for Pentax shooters. Pentax
manufactures the K-mount version, Tokina manufactures the Canikon mount
versions.
For some lenses there is no Pentax version ... no one seems to
manufacture it.
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