APS-C - Multiplier Factors

Multiplier Factors

A crop factor (sometimes referred to as a "focal length multiplier", even though the actual focal length is the same) can be used to calculate the 35 mm equivalent focal length from the actual focal length. The most common multiplier ratios:

• 2.7× — Nikon 1 system
• 2.0× — Four Thirds system, Micro Four Thirds (mFT)
• 1.7× — Sigma DP1, Sigma DP2, Sigma SD15, Sigma SD14, Sigma SD10, Sigma SD9, Canon EOS DCS 3†
• 1.6× — Canon EOS 7D, 650D (T4i/X6i), 60D, 1100D, Canon EOS M
• 1.54× — Pentax K-5, Pentax K-30, Pentax K-01, Samsung NX
• 1.53× — Pentax K10D†, Pentax K200D†
• 1.52× — Sigma SD1, Sigma SD1 Merrill, Sigma DP1 Merrill, Sigma DP2 Merrill, all Nikon DSLR cameras except the full-frame D3,† D3s,† D3x,† D4, D600, D700,† and D800; all Fuji, Sony (except for the full-frame α 850,† α 900,† α 99)
• 1.3ׇ — Canon EOS-1D Mark IV†, 1D Mark III†, 1D Mark II† (and Mark II N), EOS-1D?, Kodak DCS 460†, DCS 560†, DCS 660†, DCS 760†, Leica M8, M8.2