Just to be clear, are these Adaptall lenses?
Chuck Norcutt
Jeff Keller wrote:
> The 400/4 looks very similar to the the 300/2.8. The lens is physically
> longer and a little heavier. (Tamron 400/4 - 2.33kg, Tamron 300/2.8 -
> 2.15kg, Zuiko 350/2.8 - 3.9kg). Both Tamrons have a 112mm filter ring. The
> 300/2.8 was first made in white, then green, then in charcoal grey. The
> white one isn't seen very often. I saw one person claim it isn't as sharp.
> The dark grey version has interference problems with the Olympus 1.4x
> teleconverter. If you get the 300/2.8 you want the green one. I've only seen
> the 400/4 in green. I believe Walt uses a 2x on his 300/2.8 and has been
> very happy with that.
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