The 100mm lens has been called "brutially sharp" by some women. See all the above comments. I have the 38mm [903 SWC], 50mm, 80mm, 150mm and 250mm. If I did not have the 80mm lens, I would have gotten the 100mm and had 38mm [903 SWC], 50mm, 100mm, 150mm and 250mm.