Focal Length Estimator Live

Name: Focal Length Estimator
Author: Multi Purpose Calculators

Multi Purpose Calculators197 apps · 267.8K installsProductivityFree · contains adsIn-app purchases: $0.99 - $199.99 per itemcom.Focal_Length

Instant focal length calculator for mirrors, lenses & refractive optics!

Alert me ★ Watch Open in Play ↗

Total installs: 545
Installs / day: —
Rating: —★
Released: 11 Aug 2025
Last update: 11 Aug 2025
Countries: —

Install history

exact counter from Google Play

30d

Installs per day · last 30 days

Change timeline

No changes recorded yet. We compare every crawl with the previous one and list title, icon, screenshots, description, version, price and availability changes here.

Country availability

Availability has not been checked for this app yet. “Check all countries” looks the app up in about 140 Google Play storefronts and shows where it is live, listed but not installable, or missing — plus any country-specific (custom) store listings.

Top countries

Country data will be available soon.

We estimate where downloads come from using the app’s position in Google Play’s top charts in about 140 countries. This app is not in any chart we have collected yet; the estimate appears as soon as it is.

Top chart positions

Not in any tracked top chart.

Inspect the APK

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Permissions

8 in 2 groups

0 Sensitive2 Notable6 Routine

Wi-Fi connection informationRoutine1

Access to details about Wi-Fi networks your device sees or uses

See whether Wi-Fi is on and details of the network you are connected toview Wi-Fi connections · ACCESS_WIFI_STATE

OtherNotable7

Access to miscellaneous device features that don't fit other categories

Start itself automatically as soon as your phone finishes turning onrun at startup · RECEIVE_BOOT_COMPLETED
Keep your phone's processor or screen from going to sleep, which can use more batteryprevent device from sleeping · WAKE_LOCK
Check whether you are online and whether you use Wi-Fi or mobile dataview network connections · ACCESS_NETWORK_STATE
Connect to the internet to load content and send datafull network access · INTERNET
Make your phone vibratecontrol vibration · VIBRATE
Check with Google Play that you got this app legitimatelyGoogle Play license check · com.android.vending.CHECK_LICENSE
Receive push messages sent from the app's servers over the internetreceive data from Internet · com.google.android.c2dm.permission.RECEIVE

Sensitive = can reach personal data, location, camera/mic or act on your behalf. Notable = changes how your device behaves. Routine = normal for almost every app. Source: Google Play's permission list for all versions of this app.

Store listing

Full description

Focal Length: The Ultimate Calculator for Precision Optics Unleash the power of precision with the Focal Length app – your ultimate solution for accurate and hassle-free focal length calculations! Designed for professionals, students, and enthusiasts alike, this app simplifies complex calculations and saves valuable time. Key Features: ✔ Focal Length Calculator: Easily compute focal lengths for lenses, mirrors, and optical setups. ✔ Refractive Focal Length Calculator: Accurately calculate refractive focal lengths with ease. ✔ Mirror Focal Length Calculator: Solve focal lengths for mirrors effortlessly. ✔ Effective Focal Length Calculator: Combine multiple lenses and calculate their effective focal length in seconds. ✔ User-Friendly Interface: Intuitive design ensures smooth navigation and easy use for everyone. Why Choose Focal Length? Whether you're working on optical experiments, designing lens systems, or studying physics, this app is your go-to tool. With advanced algorithms and precise computations, you’ll get accurate results every time. Who Is It For? Physics Students: Simplify your optical calculations for academic projects and exams. Engineers: Optimize your lens and mirror designs with precision. Photography Enthusiasts: Understand focal lengths and improve your craft. Benefits You’ll Love: ✔ Speed up your calculations with instant results. ✔ Access a comprehensive set of tools for all focal length needs. ✔ No more manual errors – enjoy accuracy at your fingertips. Download Now! Transform the way you calculate focal lengths with the Focal Length app. Start solving complex optics in just a few taps. Download today and make your calculations faster, smarter, and better! Maximize efficiency and master optics – all with one app: Focal Length. 🚀

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