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| p.1 #1 · Problem with Sigma Lens |
I have a Sigma 12-24 AT-X pro f/4 lens is giving me trouble, and I'm stumped. Earlier this fall, the lens was giving me communication errors, but only at certain focal lengths. For instance, it would work fine between about 18mm-24mm, but would give me a "lens communication error" between 12mm-18mm.
I limped along with it like that until a couple weeks ago, when I put it on, and it wouldn't work at any focal length whatsoever. Having no immediate funds for repair, I set it aside until today, when a friend called and asked if I could sub for him on a real estate shoot in the next couple of days. I declined due to the lens issue, but then decided to put it back on and see what happened. Suddenly, the lens is working fine, at all apertures, for no reason whatsoever!
Obviously this is a bittersweet occurrence, because I'm not confident that it will continue to work, and I don't want to look like a jackass by showing up with malfunctioning gear. I also have a tokina fisheye lens that might work in a pinch, but that's a last resort.
I'm just wondering if anyone has ever encountered similar problems, and if so, thoughts on potential causes/fixes. btw, I forgot to mention that I shoot with a Canon T1i, hopefully soon to be upgrading to the T3i, or a used 5d mark II.