剛剛查了一下, 中文精裝型錄裡錯的那三行列的是K-3II的規格...想必是拿舊文件去改沒改到 視距長度對應到日本原廠網頁的規格表如下 http://www.ricoh-imaging.co.jp/english/products/k-1/spec/index.html Eye-Relief Length Approx. 20.6mm (from the view window), Approx. 21.7mm (from the center of lens) 定義上應該如同Nikon的Eyepoint, 以D810為例 http://imaging.nikon.com/lineup/dslr/d810/spec.htm Eyepoint 17 mm (-1.0 m-1; from center surface of viewfinder eyepiece lens) 我想Pentax原廠講的center of lens應該和Nikon原廠定義的center surface of viewfinder eyepiece lens指得是同一件事 至於富堃翻成鏡頭中央我只能說