Pheonix sells the exact same lens. I haven't handled Pentax's version, but
the only differences I know of is that the Pentax has SMC, the Vivitar has
the lifesize adapter, Vivitar sells a manual focus version, and they look a
little different. It's good optically, but the construction is a bit
cheap. The front element is recessed into the barrel, so flare isn't much
of a problem. I haven't had any compatibility problems with the manual
focus version on any of my cameras, with the ZX-M Tv and P work fine, and
with the KX I get the aperture readout in the finder.
Todd
At 03:45 PM 7/24/01 +0000, you wrote:
>Hello,
>
>Does anyone have experience with the Vivitar 100/3.5 Macro lens?
>I have found many positive opinions especially considering its
>price. As I know it is identical (the optical formula) to the Pentax
>FA 100/3.5. What do you think about this lens? Is the Pentax version
>worth additional 60$ (and the Vivitar comes with a life-size adapter) ? Any
>compatibility problems?
>
>Thanks in advance
>
>Pawel
>
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