> Tamron SP lenses (except for 90 macro) were never popular. I think that the SP 500/8 mirror has sold fairly well (they show up on eBay fairly often, anyway), and ~it~ (as the same lens design, I believe, although I am not certain of that) has been in the Tamron lineup for a long time. It has gotten good reviews, and its 1:2.5 almost-macro focusing is a real plus (1:1.25 with the SP 2X TC, too).
I have four mirrors right now, the Tamron SP 500/8, the VS1 600/8 Solid Cat, the VS1 450/4.5 Aspheric, and the SMC K 1000/11, and they're all quite good (for mirror lenses), but they are all quite different from each other, too. Fred

