sigma 120-300 f2.8 dg os hsm (for canon)
sigma tc1401增距鏡（for canon)
sigma mc11EF-sony E轉接環
sony a7r2相機
準備用來打鳥
主要是想知道對焦&兼容有沒有問題
Dpreview上面有人說MC-11和TC-1401在A6300上可以。A6000有人说自動對焦不行。不知道A7R2
以下從dpreview轉
"Contrary to Sigma’s published info, the MC-11/TC-1401/150-600 Contemporary combination does work, and it works very well with the A6300 (less so with the A6000). Until there is a native E-Mount telezoom, this is the wildlife setup of choice (1260 mm effective focal length at the long end. Here are the results of my testing:
A6300
MC-11 + 150-600 Contemporary
All AF modes work
All Focus Areas work
MC-11 + TC-1401 + 150-600 Contemporary
AFS and AFC work well
Focus Areas: wide, spot, and flexible spot are available
In moderate to good light, Focus is quick and accurate; in lower light, AF is marginal, but MF works fine. Attached pictures are for this combination, all using Autofocus."
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