SIGMAシグマ APO 120-400mm F4.5-5.6 DG OS HSM Nikon ニコン◇美品ランク : a-9469 : Crew・actショップ - 通販 - Yahoo!ショッピング
![Am I hearing things? Today I recv'd this Sigma 120-400mm 1:4.5-5.6 APO DG OS HSM lens with a Nikon mount. When in AF mode I can hear what I think are gears Am I hearing things? Today I recv'd this Sigma 120-400mm 1:4.5-5.6 APO DG OS HSM lens with a Nikon mount. When in AF mode I can hear what I think are gears](https://preview.redd.it/br379tqide051.jpg?width=640&crop=smart&auto=webp&s=24c6a590d8943177cebef82ed4b62a7942473438)
Am I hearing things? Today I recv'd this Sigma 120-400mm 1:4.5-5.6 APO DG OS HSM lens with a Nikon mount. When in AF mode I can hear what I think are gears
![Sigma 120-400mm F4.5-5.6 DG OS HSM...birding ?: Nikon DX SLR (D40-D90, D3000-D7500) Talk Forum: Digital Photography Review Sigma 120-400mm F4.5-5.6 DG OS HSM...birding ?: Nikon DX SLR (D40-D90, D3000-D7500) Talk Forum: Digital Photography Review](https://2.img-dpreview.com/files/g/TS560x560~241089.jpg)