The Sigma 18-50mm f/3.5-5.6 DC is a 18–50 mm zoom lens with a maximum aperture of f/3.5 for the Sigma SA, Canon EF, Nikon F AF mounts. Here are its field of view on different sensors, hyperfocal distances, Milky Way exposure limits and the cameras it fits.
Focal length
18–50 mm
Max aperture
f/3.5
Mount
Sigma SA
Designed for
1.61× crop
Field of view by sensor
| Sensor | Diagonal angle of view | 35 mm equivalent |
|---|---|---|
| APS-C (1.5×) | 76.3° – 31.6° | 28–76 mm |
| Canon APS-C (1.6×) | 73.8° – 30.3° | 29–80 mm |
| Micro Four Thirds | 62.0° – 24.4° | 36–100 mm |
Hyperfocal distance
| Focal length | f/5.6 | f/8 | f/11 | f/16 |
|---|---|---|---|---|
| 18 mm | 3.1 m | 2.2 m | 1.6 m | 1.1 m |
| 50 mm | 24 m | 17 m | 12 m | 8.4 m |
Circle of confusion 0.019 mm (sensor size the lens is designed for).
Longest exposure for sharp stars
| Camera | NPF rule (wide open) | 500 rule |
|---|---|---|
| APS-C (24 MP) | 13.3 s @ f/3.5 | 18.2 s |
Cameras that fit (289)
- Sigma sd Quattro
- Sigma sd Quattro H
- Sigma SD1
- Sigma SD1 Merrill
- Sigma SD9
- Sigma SD10
- Sigma SD14
- Sigma SD15
- Canon EOS 5DS2015
- Canon EOS 5DS R2015
- Canon EOS 6D2012
- Canon EOS 6D Mark II2017
- Canon EOS 5D Mark IV2016
- Canon EOS 5D Mark III2012
- Canon EOS 5D Mark II2008
- Canon EOS 5D
- Canon EOS-1Ds
- Canon EOS-1Ds Mark II
- Canon EOS-1D Mark II
- Canon EOS-1D Mark II N
- Canon EOS-1Ds Mark III
- Canon EOS-1D Mark III
- Canon EOS-1D Mark IV
- Canon EOS-1D
- Canon EOS-1D X2011
- Canon EOS-1D X Mark II2016
- Canon 35mm film: full frame
- Kodak DCS Pro SLR/c
- Kodak DCS 520
- Canon EOS D2000
- Nikon D40
- Nikon D40X
- Nikon D50
- Nikon D60
- Nikon D70
- Nikon D70s
- Nikon D80
- Nikon D902008
- Nikon D100
- Nikon D200
- Nikon D300
- Nikon D300S2009
- Nikon D5002016
- Nikon D6002012
- Nikon D6102013
- Nikon D7002008
- Nikon D7502014
- Nikon D7802020
- Nikon D8002012
- Nikon D800E2012
- Nikon D8102014
- Nikon D8502017
- Nikon D3000
- Nikon D3100
- Nikon D3200
- Nikon D33002014
- Nikon D34002016
- Nikon D35002018
- Nikon D5000
- Nikon D5100
Where to buy
B&H PhotoAmazonKEH (used)MPB (used)FAQ
What is the Sigma 18-50mm f/3.5-5.6 DC equivalent to on APS-C?
It is designed for a 1.61× sensor, giving a full-frame equivalent of 29–81 mm.
Which cameras is the Sigma 18-50mm f/3.5-5.6 DC compatible with?
It fits Sigma sd Quattro, Sigma sd Quattro H, Sigma SD1, Sigma SD1 Merrill, Sigma SD9 and more (see the full list above).