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| p.1 #1 · A super noob question about Sigma OS |
I just got a Sigma 70-200 OS at trade-in price for a discontinued EX lens that broke on me. I've never really interacted with a stabilized lens before, though, so I'm not familiar with some of the things it is doing and I wanna make sure everything is okay right out of the box. The main thing is that when I turn the stabilization on, the image in the viewfinder jumps and the lens makes a little bit of noise. The manual mentions the noise and the jump, but how often should it do this? ONLY when I turn OS on, or is it normal for the lens to do this periodically while shooting? So far it seems to also do it when I drop the camera and bring it back to my face, and every so often after taking a photo or quickly adjusting focus/zoom distance. It's not ALL the time or anything... I was just curious since I didn't know stabilized lenses jumped around like that. Kinda pathetic to make such a big purchase so blindly, but that's how it is.
Again, probably nothing to be alarmed about, but I just thought I'd ask.