Crop Factor Equivalent Focal Length Reference Values

Convert lens focal length to 35mm equivalent using sensor crop factor.

Author

Dr. Sofia Mendoza Ruiz

Photography editorial contributor

Mexican marine biologist from UNAM, documenting coral reef degradation across the Caribbean

Reviewed for accuracy by

Prof. Ingrid Johansson

Photography content reviewer

Norwegian political scientist at the University of Oslo, studying democratic resilience in Nordic welfare states

Last updatedFebruary 22, 2026

PublishedFebruary 22, 2026

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Reference Value Index

This page lists 56 reference values for quick browsing and lookup.

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All Reference Values

Reference Table

Crop Factor Equivalent Focal Length reference values
Lens SetupEquivalent Focal LengthCrop Factor
10 mm lens on 1.3× crop13 mm equivalent1.3×
10 mm lens on 1.5× crop15 mm equivalent1.5×
10 mm lens on 1.6× crop16 mm equivalent1.6×
10 mm lens on 2× crop20 mm equivalent
12 mm lens on 1.3× crop15.6 mm equivalent1.3×
12 mm lens on 1.5× crop18 mm equivalent1.5×
12 mm lens on 1.6× crop19.2 mm equivalent1.6×
12 mm lens on 2× crop24 mm equivalent
14 mm lens on 1.3× crop18.2 mm equivalent1.3×
14 mm lens on 1.5× crop21 mm equivalent1.5×
14 mm lens on 1.6× crop22.4 mm equivalent1.6×
14 mm lens on 2× crop28 mm equivalent
16 mm lens on 1.3× crop20.8 mm equivalent1.3×
16 mm lens on 1.5× crop24 mm equivalent1.5×
16 mm lens on 1.6× crop25.6 mm equivalent1.6×
16 mm lens on 2× crop32 mm equivalent
18 mm lens on 1.3× crop23.4 mm equivalent1.3×
18 mm lens on 1.5× crop27 mm equivalent1.5×
18 mm lens on 1.6× crop28.8 mm equivalent1.6×
18 mm lens on 2× crop36 mm equivalent
20 mm lens on 1.3× crop26 mm equivalent1.3×
20 mm lens on 1.5× crop30 mm equivalent1.5×
20 mm lens on 1.6× crop32 mm equivalent1.6×
20 mm lens on 2× crop40 mm equivalent
24 mm lens on 1.3× crop31.2 mm equivalent1.3×
24 mm lens on 1.5× crop36 mm equivalent1.5×
24 mm lens on 1.6× crop38.4 mm equivalent1.6×
24 mm lens on 2× crop48 mm equivalent
28 mm lens on 1.3× crop36.4 mm equivalent1.3×
28 mm lens on 1.5× crop42 mm equivalent1.5×
28 mm lens on 1.6× crop44.8 mm equivalent1.6×
28 mm lens on 2× crop56 mm equivalent
35 mm lens on 1.3× crop45.5 mm equivalent1.3×
35 mm lens on 1.5× crop52.5 mm equivalent1.5×
35 mm lens on 1.6× crop56 mm equivalent1.6×
35 mm lens on 2× crop70 mm equivalent
50 mm lens on 1.3× crop65 mm equivalent1.3×
50 mm lens on 1.5× crop75 mm equivalent1.5×
50 mm lens on 1.6× crop80 mm equivalent1.6×
50 mm lens on 2× crop100 mm equivalent
85 mm lens on 1.3× crop110.5 mm equivalent1.3×
85 mm lens on 1.5× crop127.5 mm equivalent1.5×
85 mm lens on 1.6× crop136 mm equivalent1.6×
85 mm lens on 2× crop170 mm equivalent
100 mm lens on 1.3× crop130 mm equivalent1.3×
100 mm lens on 1.5× crop150 mm equivalent1.5×
100 mm lens on 1.6× crop160 mm equivalent1.6×
100 mm lens on 2× crop200 mm equivalent
135 mm lens on 1.3× crop175.5 mm equivalent1.3×
135 mm lens on 1.5× crop202.5 mm equivalent1.5×
135 mm lens on 1.6× crop216 mm equivalent1.6×
135 mm lens on 2× crop270 mm equivalent
200 mm lens on 1.3× crop260 mm equivalent1.3×
200 mm lens on 1.5× crop300 mm equivalent1.5×
200 mm lens on 1.6× crop320 mm equivalent1.6×
200 mm lens on 2× crop400 mm equivalent

Frequently Asked Questions

Frequently asked questions for Crop Factor Equivalent Focal Length and its reference values.

What is crop factor in photography?

Crop factor describes how much smaller a sensor is than full-frame and how that changes field of view for the same lens.

How do you calculate equivalent focal length?

Multiply lens focal length by crop factor to estimate full-frame equivalent focal length.

Does crop factor change actual lens focal length?

No. The physical focal length stays the same; crop factor changes how much of the image circle is captured.

Can I estimate equivalent aperture too?

For depth-of-field comparisons, photographers often multiply f-number by crop factor as an approximate full-frame equivalent.

Methodology and Review

Each row on this page links to a value detail page derived from the same conversion data file as the main calculator and reference table. This reduces inconsistencies across page variants.

Editorial metadata and structured data are rendered across the converter page and linked value pages. Review policies are documented in our review process and editorial policy.