https://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=1120&Camera=979&Sample=0&FLI=0&API=0&LensComp=1536&CameraComp=0&FLIComp=0&APIComp=0

https://www.the-digital-picture.com/Reviews/ISO-12233-Sample-Crops.aspx?Lens=1178&Camera=979&Sample=0&FLI=4&API=1&LensComp=1632&CameraComp=1538&SampleComp=0&FLIComp=3&APIComp=0

对比4个镜头的400端，感觉1号镜头明显好很多啊

Sigma 100-400mm f/5-6.3 DG OS HSM C
Sigma 100-400mm f/5-6.3 DG DN OS C
Tamron 100-400mm f/4.5-6.3 Di VC USD
Tamron 50-400mm f/4.5-6.3 Di III VC VXD
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FROM 220.249.52.*