In analogue photography are the typical standard 50mm field of photography, here it will return to the human eye most appropriate image. And right in front can also say that the 50 f / 1.8 is by far the strongest of all 3 lenses is. Also contrast and color are best here. Finally, the processing is not quite as bad as you always hear, but the focus ring is a disaster! But something else speaks against the 50 f / 1.8: At a modern crop DSLR as a 500D or 50D correspond 50mm through the small sensor an image section of 80mm. That is more the telephoto range and restricts the use of the 50mm lens inevitably portraits or narrowly defined landscapes. Anyone who wants to take pictures with his DSLR only the latter, which may now go directly to the 50 f / 1.8 lens and stop here to read. Anyone who wants to get closer to the classical photography, the property reverts to the choice of 28 or 35mm lens. (Thanks to the extremely low price, however, you can also purchase the 50mm but - I could not resist it.)
28mm 45mm image area correspond, 35mm 56mm correspond. Both corresponds more to the classical photography standard. Both lenses are identical from the outside, and the same process - in both fit the same lens hood. Only the glass inner life is different. In both the focus ring is something "creaky" but quite acceptable. The autofocus is both fast and well its goal, however, is surprisingly loud (really loud) here. In principle, both lenses take but from the outside and the processing nothing. Both seem more stable than the 50mm f / 1.8 and have a metal bayonet. The picture quality is finally different: The 28mm f / 2.8 maximum aperture surprised at first with crisp sharpness. The 35mm is here significantly. Bbenso surprisingly leaves the edge of 28mm to smaller aperture to rise at about f / 4 again. The 35mm only here reached its maximum capacity. At f / 4 and less than 35mm has consistently then slightly ahead. In sharpness and color But the 28mm is all the time close behind. Both are visible not as sharp or high contrast such as the 50mm f / 1.8, but still better or just as good as each zoom lens into the three-digit price range. The 35mm lens distorts virtually not at all, the 28mm lens, however minimal at the edges, but in practice it falls practically not and is unlikely to be relevant.
At the end of the duel of the picture, use and perhaps also the price has to decide. The 35mm is almost something "close" to for some subjects (For example, if many people are on the picture), the scores here 28mm with significantly more viewing area. For this, the 28mm is ideal for low-light applications - its maximum sharpness achieved it directly with maximum aperture of f / 2.8! For similar sharpness you need to dim the 35mm at least f / 4. Well priced, it is finally good 1/3 cheaper than the 35mm for the same processing. So who photographed with little light, indoors or gatherings of people who can and should safely pick up the 28mm f / 2.8. But if you really on maximum sharpness emphasis (other than the 50mm f / 1.8) and can live with a slightly smaller image section, which should pick up the 35mm. When the aperture, the images are more convincing here. Your money is worth all 3 lenses all, better pictures will you get in this price range anywhere else.