Machinevision Engineering

Lens Resolution Limit vs Pixel Size Calculator

Lens Resolution Limit vs Pixel Size Calculator engineering calculator.

Quick Answer

Calculate Lens Resolution Limit vs Pixel Size Calculator

Calculator

Minimum Resolvable Feature Size (m)
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Result Interpretation

Lens Resolution Limit vs Pixel Size Calculator computes Minimum Resolvable Feature Size in m using the defined engineering formula and the input values provided.

Worked Example

Verified calculation

Given:

  • Lens F-number = 2.8
  • Sensor Pixel Pitch = 3.45E-6
  • Optical Wavelength = 5.2E-7

Expected Result:

  • Minimum Resolvable Feature Size = 7.5280239587786E-6

Engineering Interpretation:

Under the given input conditions, the calculated result is: Minimum Resolvable Feature Size = 7.5280239587786E-6 m.

The actual numerical result is computed by the Runtime engine using the persisted tool definition. The values shown here come from automatically validated test cases.

Formula / Method

minimum resolvable feature size = 1.22 * optical wavelength * lens f-number / (2 * sqrt(2)) + 2 * sensor pixel pitch

Formula family: formula_machinevision_lens_resolution_limit_vs_pixel_size_calculator

Variables

SymbolLabelRoleDescription
wavelength Optical Wavelength INPUT Optical Wavelength
f_number Lens F-number INPUT Lens F-number
pixel_size Sensor Pixel Pitch INPUT Sensor Pixel Pitch
minimum_resolvable_feature_size Minimum Resolvable Feature Size OUTPUT Minimum Resolvable Feature Size
sqrt2 sqrt2 CONSTANT sqrt2 = 1.4142135623731 dimensionless

Calculation Steps

  1. Enter the optical wavelength in m.
  2. Enter the lens f-number in dimensionless.
  3. Enter the sensor pixel pitch in m.
  4. Step 1: Compute minimum resolvable feature size.
  5. Read the minimum resolvable feature size (m) from the results.

Engineering Summary

Calculate Lens Resolution Limit vs Pixel Size Calculator

Frequently Asked Questions

What does this calculator calculate?

The Lens Resolution Limit vs Pixel Size Calculator estimates Minimum Resolvable Feature Size based on the input parameters you provide

Why is optical wavelength important in this calculation?

optical wavelength is directly proportional to minimum resolvable feature size. When you enter optical wavelength in m, the calculator uses it in the engineering formula to compute the output

How should I interpret the result minimum resolvable feature size?

The calculator outputs minimum resolvable feature size in m. The result is computed directly from the input values using the defined engineering formula

What units should I use for the inputs?

Enter each value in the units shown next to the input field: Optical Wavelength (m), Lens F-number (dimensionless), Sensor Pixel Pitch (m). Make sure all inputs use the specified units for consistent results

What assumptions does this calculator use?

This calculator uses automatically validated engineering formulas. Results are approximate and should be validated against site-specific conditions, applicable codes, and professional engineering judgment

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