Effective Date: [Insert Date]

At FOVCalculator.com, we are committed to providing accurate, reliable, and context-sensitive Field of View (FOV) calculations. This page outlines our data handling practices, sources of truth, and the assumptions behind the results you see.

Our goal is to help users make informed decisions based on realistic, scenario-based estimates, while clearly communicating any limitations or approximations involved.


1. Calculation Methodology

All calculators on FOVCalculator.com are based on established geometric and trigonometric formulas used in fields such as:

  • Camera lens design
  • Optical display engineering
  • Simulation environments
  • First-person video game development

Each formula has been tested and applied in real-world conditions, and outputs are calculated using your provided inputs, including:

  • Sensor or screen size (inches, mm, or cm)
  • Aspect ratio
  • Viewing distance
  • Focal length (for lenses)
  • Desired measurement direction (horizontal, vertical, diagonal)

We continuously test our algorithms against manufacturer specifications and third-party validation sources to ensure consistency and correctness.


2. Source of Data

Our reference values—such as standard screen sizes, aspect ratios, sensor dimensions, and focal lengths—are derived from:

  • Public technical documentation
  • Manufacturer data sheets
  • Industry-standard optical engineering textbooks
  • Academic publications in imaging science and human vision modeling

Where appropriate, we normalize units and apply conversion logic (e.g., mm to inches, or degrees to radians) to ensure calculation precision across international systems.


3. Assumptions and Limitations

While our tools are built with accuracy in mind, some assumptions are necessary for practical, web-based calculations:

  • Flat screen assumption (no curvature accounted for)
  • Ideal field conditions (no distortion, obstruction, or lens aberration)
  • Uniform sensor coverage (no cropping unless otherwise stated)
  • Measured angles assume central positioning (eye or lens centered on axis)

These approximations may lead to small discrepancies when compared to high-end simulation tools or lab-grade measurement systems.


4. User Responsibility

We provide our calculators as technical estimators, not definitive engineering certifications. While the outputs are suitable for most practical applications—including gaming, photography, VR setup, and surveillance planning—users should always:

  • Verify critical calculations with multiple sources
  • Consider tolerance ranges when applying outputs to real-world decisions
  • Use manufacturer specifications for any task requiring professional or regulatory compliance

5. Continuous Improvement

We are committed to improving our data models and underlying logic. Enhancements are guided by:

  • User feedback and bug reports
  • New research and published industry standards
  • Updates from hardware manufacturers
  • Edge case analysis and performance testing

Each update is version-controlled and tested prior to being published.

If you notice inconsistencies or believe a formula could be improved, we encourage you to contact us directly at support@fovcalculator.com. We welcome expert insight and collaborate with professionals across optics, gaming, display design, and computational geometry.


6. Disclaimer

FOVCalculator.com makes reasonable efforts to ensure the integrity of the data and formulas used. However, we do not guarantee the absolute precision of every result. By using this website, you acknowledge that all calculations are offered “as is” and agree to our Disclaimer and Terms of Use.


7. Contact

For detailed questions about our calculation methodology or to request technical documentation:

Email: accuracy@fovcalculator.com
Mailing Address: [Insert Address, if applicable]