nowfound

Life & fun · November 29, 2021

Security Camera Lens Calculator

Security Camera Lens Calculator launched on November 29, 2021 with 178 votes, #159 of 2,925 launches that month and more than 95% of that year's launches. The site was still online in September 2026, 4 years on.

Visit jvsg.com ↗Alternativestop 5% of November 2021

In plain words

Security Camera Lens Calculator is a web tool that helps users determine the appropriate lens specifications for security camera installations. Launched in 2021, it serves security professionals, installers, and camera system planners who need to calculate focal lengths and field of view for different surveillance scenarios. The tool simplifies technical lens mathematics to make camera placement and lens selection more straightforward for those designing or upgrading security systems.

written from the facts on this page · September 2026

Does a similar job

all alternatives →
  • Lens2023 · getlens.io · ▲320

    10x your engagement rate during Zoom meetings

  • Compliance Effort Calculator2023 · sprinto.com · ▲261

    Demystify info-sec compliance efforts, calculate now

  • SaaS Income Calculator2017 · csabakissi.com · ▲232

    Calculate your SaaS income and compare payment processors

  • CCTV Storage Calculator2022 · jvsg.com · ▲71

    Estimate video archive size for video surveilance systems

  • Snap Scope – Visualize Lens Focal Length Distribution from EXIF Data2025 · snap-scope.shj.rip · ▲13

    Hey HN, I built this tool because I wanted to understand which focal lengths I actually use when taking photos. It's a web app that analyzes EXIF data to visualize focal length distribution patterns. While it's admittedly niche (focused specifically on photography), I think it could be useful for photographers trying to understand their lens usage patterns or making decisions about lens purchases. Features: Client-side EXIF data processing (no server uploads/tracking) / Handles thousands of photos at once / Clean visualization with shareable summaries This tool supports most…

  • AB
    A bunch of simple SaaS calculators2020 · saasformulas.com · ▲31

More life & fun this month

the category →

Source: Show HN post ↗

Launched alongside, November 2021

the whole month →