A while back I was given a K-mount "Image"-brand 28-80mm f/3.5 manual focus zoom lens in really good condition. It has a "close-focus" quasi-macro pull-out function as well. It has an all-metal barrel, and takes a 62mm filter. I know the Image brand was the house brand of Black's Photography here in Canada and possibly elsewhere, and it says "made in Japan" on the barrel. Given who I got it from I suspect it was purchased/made in the mid-80's to the early 90's (he doesn't remember). I realize the proof is in the pudding, and I haven't actually shot anything with it yet, but I'm curious as to who actually made this and therefore what other zoom lenses it might be comparable to. I can't really find anything via searching about it. Anybody have an idea how I can narrow down it's provenance? I know given it's "made in Japan" it's likely Cosina, Tamron or Tokina, but I hate not knowing more about it Thanks!