# CCTV Lens Calculator

> CCTV lens calculator for CCTV cameras with scene calculation features. (iPhone/iPad app by Kieron Mcdonough.)

- Source: https://appshunter.io/ios/app/cctv-lens-calculator/id1384041151 (this page in markdown: same URL + `.md`)
- Developer: [Kieron Mcdonough](https://appshunter.io/developer/1384041150)
- Category: Utilities, Productivity
- Price: $1.99
- Rating: 1.50/5 from 2 App Store ratings · 1 written reviews indexed
- Age rating: 4+
- Requires: iOS 12.3 · 2 MB
- Languages: American English
- Released: 2018-06-01
- Data updated: 2026-07-16
- Monetization: paid
- User reviews in markdown: https://appshunter.io/ios/app/cctv-lens-calculator/id1384041151/reviews.md

## What is CCTV Lens Calculator?

* Simple and easy to use.
* This generic CCTV Lens Calculator calculates the lens required for a CCTV camera. 
* Now with scene calculation based on focal length.
* Calculate using feet or meters.
* Enter distance from the scene, horizontal distance of scene and height of the camera, then click 'calculate'. 
* Results show lens required, angle of view and pixels per meter(feet). 
* Indicates if the object or person can be: "Identified", "Recognised" or "Detected".
* The new scene calculation allows you to calculate the scene dimensions, based on a focal length value.
* Calculate horizontal distance of a scene based on focal length and distance between cameras and subject.
* Calculate distance between camera and subject based on focal length and horizontal distance of scene.
* Scene calculation allows you enter vari-focal lens min/max focal length and use a slider to easily switch between values.

## Key features

- Calculates required CCTV lens
- Scene calculation based on focal length
- Supports feet or meters
- Indicates object identification levels
- Calculates angle of view
- Calculates pixels per meter/feet

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/cctv-lens-calculator/id1384041151/reviews.md

### 2/5 — Not enough options

*2020-02-25*

Only offers analog sensor sizes And 3 choices of resolution:720, 1080, and 4K. Lost of resolutions in between those needed.

## Frequently asked questions about CCTV Lens Calculator

### What is CCTV Lens Calculator used for?

CCTV Lens Calculator helps determine the correct lens for your CCTV camera. It calculates lens requirements, angle of view, and pixel density based on your scene's dimensions and camera height.

### How does CCTV Lens Calculator calculate scene dimensions?

The app allows you to calculate scene dimensions by entering a focal length value. You can also calculate the horizontal distance of a scene or the distance between the camera and subject using focal length.

### Can CCTV Lens Calculator help with object identification?

Yes, CCTV Lens Calculator indicates whether an object or person can be 'Identified', 'Recognised', or 'Detected' based on the calculated lens and scene parameters.

### What units does CCTV Lens Calculator support?

CCTV Lens Calculator supports calculations using both feet and meters, providing flexibility for users worldwide.

### What is the price of CCTV Lens Calculator?

CCTV Lens Calculator is a paid application priced at $1.99.

### What devices is CCTV Lens Calculator compatible with?

CCTV Lens Calculator is available for iPhone, iPad, and iPod devices.

### How often is CCTV Lens Calculator updated?

The latest version of CCTV Lens Calculator is 3.2, and it was last updated on June 14, 2023.

### What is the user sentiment for CCTV Lens Calculator?

Based on the available data, CCTV Lens Calculator has a rating of 1.5 stars from 2 ratings, suggesting a generally negative user sentiment.

## Version history (last 5 releases)

### 3.2 — 2023-06-14

Improvement in text clarity

### 3.1 — 2022-10-16

New feature! Calculate scene dimensions based on lens focal length and either horizontal distance or camera to subject distance.

### 2.1 — 2021-02-27

Dark mode fix

### 2.0 — 2020-05-30

Revised to include more sensor sizes and camera resolutions via picker.

### 1.2 — 2018-06-12

Display and bug fixes

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## More apps by Kieron Mcdonough

- [CCTV Storage Estimator](https://appshunter.io/ios/app/cctv-storage-estimator/id1469647000)
- [CCTV Cable and PoE Calculator](https://appshunter.io/ios/app/cctv-cable-and-poe-calculator/id1484330030)
- [Equiplist](https://appshunter.io/ios/app/equiplist/id1542669987)
- [Bird Games](https://appshunter.io/ios/app/bird-games/id1605575906)
- [IT Audit](https://appshunter.io/ios/app/it-audit/id6444267687)

All apps by Kieron Mcdonough: https://appshunter.io/developer/1384041150

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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 2026-07-16.*