bior wrote in post #12867781
If you think the 135 SF is crap, it makes me wonder if you've used it. It's the smallest, lightest, sharpest lens in its range, and there is absolutely no reason to ever use the Soft Focus feature, but otherwise the lens has basically the same highly-prized optical abilities as the 85/1.8 and 100/2.
At $550, it's crap-overpriced. At the same price as the 85 1.8 or 100 2, I might change my tune, but that's not the case. Nope, haven't tried it, but I did read many a review prior to nearly picking one up last year. Most of the reviews gave it a mediocre rating, at best. With the iso comparisons on the-digital-picture, it's nothing spectacular. Lack of USM rounds out a fantastically unsatisfying build. As you said, soft focus effect is utterly useless, especially if you've got a soft focus filter.
The Fish 15mm is a special little number, even at its high price. I was playfully implying that they shouldn't be in the same class. No offense was intended toward any 135 SF owners 