just shot with my new pentax and tamron lenses

17mm adaptall - really good optically, very sharp, great resolution especially from infinity ( im new to this but detail in the background is really good and clear) it almost picks this up better tjhan the foreground detail. Colours are a little subdued and it lacks some contrast. Focusing is good

Re: just shot with my new pentax and tamron lenses

24-90mm- quite good... not as contasty or sharp as the vivitar 35-85mm it replaced... I'm surprised because the 24-90 is a very recent design and the Vivitar an older one. At what focal lenght and aperture was the Vivitar better than the Pentax? Andre --