HerbChong Offline Upload & Sell: Off
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the slightly different incarnation is that the Pentax will have an SDM motor. at one time, Pentax reserved its SMC coating technology for itself, but since it started licensing the coatings to Hoya a few years back (Hoya Super HMC filters) and then to Tokina recently (the most recent incarnation of their 100/2.8 Macro and newer lenses), there isn't much optical difference between a Tokina and a Pentax lens anymore. it does mean that i can get them in Nikon mount though without a quiet in-lens motor.
Herb...
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