I got this ancient first-generation Tamron 28-200mm zoom lens many years ago, shortly after I switched to Canon EOS DSLRs from the now defunct Olympus 4/3 system. I didn't know much about lenses, but it was cheap (used), sure looked good with the petal-hood, and I wanted something with lots of zoom range. The labeling says Tamron AF Aspherical LD (IF) 28-200mm 1:3.8-5.6 72mm 571D on a standard Canon EF mount. I have no idea how old it is, but its definitely from the SLR days and probably an early EF adaptation. Build quality is good and it rotates smoothly. ( This site says its a 1999-era lens and offers some technical specs. ) It is a twist zoom about 3.75 inches long extending to 6.75 inches (sorry, no metric on this ruler - must get rid of it). Its hefty and worked reliably enough for a couple of years. The images are quite bland, but it let you get the shots you wanted. It does not have IS and the focus motor is noisy, but always found focus without much hunting and it...
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I am not a robot. But often, I wonder what that would be like for a day. I guess like anything else, it depends on the work.