Long end, F:11 (dull image, was used to make a panorama) f:11, don't remember focal length but probably short end Detail from above Wide open detail from above I think that lens is still quite good. Above photos are unprocessed. I have wanted a Kiron varifocal lens for a long time but they are not easy to come by (Vivitar models are much more common). Interesting lens but heavy, suffers from zoom creep (or varifocal creep as this lens is not a zoom) and is difficult to handle. Won't see much use despite its very handy focal length.