| Latest Review Posted | Sigma Epsilon 28-70mm F3.5-4.5
I recently came across this lens at a very good price (12 euro, or +/- 18 dollars. It's in good shape, with only minor body scratches. Glass is clean.
I was surprised with the extreme sharpness of this lens. There isn't much info around about it, but it is very good.
No noticeable vignetting (which isn't surprising, condering it was intended for FF).
Two problems with it:
1 - Autofocus is noisy and nervous and has strong «clacking» sound when it reaches the extremes. Also, and more important, I cannot figure why, but if focused on infinity the autofocus confirmation loight won't stop blinking and, thus, only AF-C is possible, ou manual (which isn't really an option, as the focus ring is all but non-existing...)
2 - My K10D insists on assuming this lens is an SMC-F 28-80... Fortunatelly, I don't have one, so it«'s easy to tell when a picture was taken with it...
I'm impressed with the results in terms of picture quality (almost as good as a prime, very sharp, good contrast and color rendering), but functionality is a bit limited for the reasons I just mentioned. But maybe it's only my copy.
I've taken some shots with it and the Pentax SMC-M 100 / F4 Macro and the results are difficult to tell apart (except foor the different FOV).
Conclusion: for the price paid, I will keep it and use ocasionally. |
