When I look at my pictures later, I see that I have a large accumulation at 50mm fixed focal length has been achieved. The predecessor model Minolta 50 / 1.7 I have almost the last 10years often used. Since I had quite big problems with focusing at maximum aperture in the past, I thought even after a change of system. The new Sony A58 with generation and A77m2 but has impressed me in terms of reliability. Last year I've photographed almost exclusively with the 50 / 1.7. I could produce many beautiful portraits and at a fairly high success rate. At full aperture the committees in the vicinity rise to particularly strong because the depth of field in this area is very low. Especially in children may fail a sharp image as they move out pending the inclusion of fast from the right thin Focus range. But in the macro range, it is sufficient if the photographer takes a breath once, and already is not the focus more where it was sighted. After the trust is restored in the technology, I have replaced my Minolta lens of the 80's through the SAL-50F18. The visual gain is not particularly large. It's no wonder the old model has the Messlattte placed very high. It goes without saying that the sale price for this lens still be quite high. In terms Randabdunklung Minolta has the edge. It comes as no surprise at a full frame model. However, not Randabdunklung assumes particular importance and is very well corrected by the camera. The great advantage of the SAL-50F18 is that the image sharpness to the edges very well fail. Photographing with open aperture does not cause headaches here. Very low, or rather no longer perceptible fall by using an ED lens of the color error. The noise level is thanks to the built-in Smooth Autofocus motor significantly better. Mechanical construction eliminates the other hand in the old model better. The focusing ring is very narrow in both models. For me is very interesting, because I never use it. Since the front lens SAL-50F18 of sitting quite deep, a lens hood is unnecessary. In terms of color, the lens fits better to the new cameras as they are both matte black. The low price of the lens makes the consideration for a second hand model obsolete. After two months of intensive use can not be faulted in terms of optical imaging.