I've been waiting for this lens for nearly a month. I guess i'll give you guys a guick review of my first impressions. I do have complaints however.
Lens construction and quality feels amazing.
Fairly tight zoom ring (i like)
Performance on my K100D, focussing is fast and i think it's a little quieter compared to the kit lenses (18-55 & 50-200), the shutter sounds quieter too.
Complaints:
focussing is off. I've taken about 100+ shots with it today, in various circumstances. I don't know how to describe it but auto-focus does do its job and it locks on, but after i take the shot, the object i focused on, turns out blurry (70mm & 2.8). Things behind the object turn out relatively crisp however. I gotta change the aperature to about 8.0 or smaller to get a sharp image. I don't know if this is called Rear focus or Front focus - probably the former.
I bought this item off ebay. so i emailed the seller back. damnit, i probably wont' have it back for xmas now either....
I'll post a sample of what i mean. I would like someone else with the same lens to post an image so i can compare. I'll post everyting at f/2.8 cuz it seems like that's where the prob is most apparent.
Last edited by Tingchaleun; 12-15-2007 at 07:53 PM.