# 鏡頭計算  Lens Calculator

> 鏡頭計算  Lens Calculator (iPhone/iPad app by Lee Shi-Yeang.)

- Source: https://appshunter.io/ios/app/lens-calculator/id1110256488 (this page in markdown: same URL + `.md`)
- Developer: [Lee Shi-Yeang](https://appshunter.io/developer/1110256487)
- Category: Utilities
- Price: Free
- Age rating: 4+
- Requires: iOS 16.0 · 5 MB
- Languages: American English, Japanese, Chinese (Simplified, China), Chinese (Traditional, Taiwan)
- Released: 2016-05-11
- Data updated: 2026-08-10
- User reviews in markdown: https://appshunter.io/ios/app/lens-calculator/id1110256488/reviews.md

## What is 鏡頭計算  Lens Calculator?

「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)。


## Version history (last 5 releases)

### 1.5.1 — 2026-08-10

1. 優化內部核心

### 1.5.0 — 2025-11-24

1. 支援  iOS 26.0

### 1.4.0 — 2021-04-13

1. 優化頁面處理.

### 1.3.10 — 2018-02-06

Apple 已更新此 App，以顯示 Apple Watch App 圖像。

1. 優化 iPhone X 頁面處理.

### 1.3.9 — 2018-01-03

1. 優化頁面處理.

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## More apps by Lee Shi-Yeang

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- [i水](https://appshunter.io/ios/app/i/id1433291046)

All apps by Lee Shi-Yeang: https://appshunter.io/developer/1110256487

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-10.*