Latest Review Posted | Tamron Adaptall-2 (54B) 300mm F5.6 When I (finally) got my 54B at a reasonable price after several lost biddings, I got myself a lens that has been very much used, or should I say: Worn. This also implies focus creep and some loosenening of the rubber on the focus and aperture grips. The upside of this is that the original owner has obviously found it useful - and used it a lot. I have not let the state of wear of my particular copy degrade my rating of the lens as such.
Because it is an excellent lens in most respects. It isn't that fast, but on the other hand you get a very compact (for a 300mm lens) and easily portable lens. Handling and focusing is superb and Catch-in-Focus works very well with this lens.
It also works very well with Tamron teleconverters, and the lens' close focus capabilty is a real plus.
On the downside, I do see some chromatic abberations and a bit of softness when I use the lens at full aperture. As said, my lens is rather worn, but cosidering its general very good sharpness, I don't think my copy is in much need for collimation.
Overall a very good buy.
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