>Hans van Veluwen wrote:
>
>>I'm about to buy a Tamron 300/2.8 (Adaptall 2) occasion with the Tamron 1.4x
>>and 2x converters, plus a set of filters (slide in), for what I consider to
>>be a very nice price - Hfl 1650 = US$ 825. Does anyone have to say anything
>>about the performance of this beast, with or without the converters,
>>compared to the 300/4.5 Zuiko? Apart from gaining an additional kilo
>>-( will I also win or loose something in optical performance?
>
>As others had mentioned, this lens had several versions. The latest version
>is all-black, essentially identical to the AF version, and comes w/o any TC's.
>The version before that one was khaki-green, and came with a matching 1.4X TC.
>Both versions were/are LD (IF) -- LD is "Tamron speak" for ED glass.
>
>The new, all-black version is supposedly slightly sharper and focuses a bit
>closer, although I'm pretty sure that the reason for redesign was to save
>cost by making both MF and AF versions as similar as possible.
>
>The above price seems very attractive, esp. with both TC's included. The
>Adaptall-2 ring problem with the OM-4/4T indeed exists, so look for the
>newer version of the ring, or buy one from recent stock. Yes, Tamron still
>makes them.
>
>>Isn't there any Zuik out there that actually owns this lens?
>
>Sorry, I don't have the 300/f2.8. However, in the very near future,
>I anticipate to own the Tamron SP 400/f4 LD (IF). If and when, I'll
>report my impressions.
>
>Good luck to Hans,
>
>
>/Gary Schloss.
>Studio City, CA
>schloss@xxxxxxxxxxxxxx
>
>
>
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