LAOWA的15mm F2看國外測試感覺蠻不錯的,有大光圈還有15公分近拍,應該會很實用,VM 15mm F4.5如果是M口加上微距環重量應該跟LAOWA差不多,優點就是體積小蠻多,另外LAOWA那顆好像完全沒電子接點,所以不會有EXIF也不會自動對焦放大。https://petapixel.com/2017/08/10/review-laowa-15mm-f2-fe-zero-d-fine-lens-fair-price/
转接广角崩边的问题请看这篇:https://phillipreeve.net/blog/rangefinder-wide-angle-lenses-on-a7-cameras-problems-and-solutions/RANGEFINDER WIDE ANGLE LENSES ON A7 CAMERAS: PROBLEMS AND SOLUTIONS