Lens Resolving Power

How much detail can a lens + sensor actually resolve?

Megapixels

Sensor width (mm)

Sensor height (mm)

Target detail (mm)

Distance to subject (m)

Wavelength (nm, default 550)

Sensor-limited LP/mm

Diffraction-limited LP/mm @ f/8

186289

Effective LP/mm

Required focal length

278552 mm

Note

Atmospheric turbulence often caps real-world resolution at ~30 LP/mm.

About this tool

Inputs: megapixels, sensor size, target detail, distance, wavelength. Outputs: sensor-limited LP/mm, diffraction-limited LP/mm, required focal length. Targets r/photography 'resolving power' thread.

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