70-200gm还是100-400gm

老哥们帮帮忙，手持a7m3，85 1.4加2470gm，重度街猫野猫拍片爱好者。一般是85用的多，不怕人的猫用起来刚合适，但怕人的或者离得远/高没法靠近的就不够长，开apsc裁切等效120+mm有时候也不够，而且2400w像素画质明显打折扣。现在纠结是加个70-200还是100-400，前者怕跟85拍人像之类的会重叠；后者怕使用频率太小，带出去拍近距离的还要换镜头……老哥们给拿拿主意

附几张渣拍


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