About this app
「鏡頭計算」是一款可以進行鏡頭計算及焦距計算兩項功能的APP應用程式。鏡頭計算可以透過鏡頭大小的選取、距離及標的物長度設定，計算得焦距值、視野(Field of View, FOV)及標的區垂直高度。焦距計算則包含了水平焦距計算及垂直焦距計算，透過鏡頭大小的選取、距離及標的區長寬設定，可以計算焦距值。鏡頭大小可以選取七種，分別是：1/4、1/3、1/2.5、1/2、1/1.8、2/3及1英吋。測量單位包含四種，分別是：meter(公尺)、feet(英呎)、inch(英吋)及mm(公厘)。
Latest release
What’s New
1. 優化內部核心
Audience growth
Ratings growth
Baseline captured. Growth appears after the crawler observes a changed rating count.
Momentum comes from crawler snapshots for the tracked storefront. “Viral growth signal” means unusually fast recent rating gains; it is an indicator, not download data.
Price tracking
Price intelligence
First snapshot captured. The trend line starts after the next crawler price observation.
- First observed Aug 19, 2026 · 8:41 AM Free
Screenshots
