Tokina’s AT-X 100mm f/2.8 PRO D Macro Lens – Review by Peter K. Burian

Peter K. Burian just reviewed the Tokina’s AT-X 100mm f/2.8 PRO D Macro Lens with some sample photos at shutterbug and wrote:

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“Focusing is not super fast because of the great distance the helicoid mechanism must travel between the infinity position and the minimum focusing distance. The process produces a metallic hum, but it is not loud enough to scare off any potential nature subjects. For longer distance shooting, as in portraiture, the Focus Limiter mechanism can be useful. This lock prevents the lens from trying to focus at very short distances, helping to accelerate the autofocus process.”

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