因為用緊R幾枝tele zoom係70200gm領跑
本身唔打雀犧牲下tele問題不大
真係要都仲有option上增距
儲多陣一步到位算
https://www.dxomark.com/Lenses/Compare/Side-by-side/Sony-FE-70-200mm-F28-GM-OSS-on-Sony-A7R-II-versus-Sony-FE-70-300mm-F45-56-G-OSS-on-Sony-A7R-II-versus-Sony-FE-100-400mm-F45-56-GM-OSS-on-Sony-A7R-II__1679_1035_1702_1035_1850_1035