rodrigopolo.com — Visual Calculator

Crop Factor & Equivalent Focal Length Calculator

Calculate the effective crop factor, equivalent focal length, and aperture when cropping a photo.

Sensor & lens

Sensor crop factor

Sensor resolution (px)

Focal length (mm)

Aperture (ƒ)

Cropped output

Cropped resolution (px)

Sensor aspect ratio

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Cropped aspect ratio

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Effective crop factor

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relative to cropped frame

Equivalent focal length

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35mm-equivalent

Equivalent aperture

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effective ƒ-number