文包 wrote:
這是鏡頭的等校焦點位...(恕刪)
謝謝您的解惑,等小弟找時間去比一比,再跟大家分享!
謝謝!
phils wrote:but it does mean that at a focus distance of 2m, that 270mm telephoto ends up looking more like 180mm. In context, it is worth bearing in mind that long telephotos generally tend to used more for distant subjects, in which case the lens naturally behaves as a 'true' 270mm.
望遠端的200mm ...(恕刪)