The Samsung NX 20mm f/2.8 Pancake is a 20 mm prime lens with a maximum aperture of f/2.8 for the Samsung NX mount. Here are its field of view on different sensors, hyperfocal distances, Milky Way exposure limits and the cameras it fits.
Focal length
20 mm
Max aperture
f/2.8
Mount
Samsung NX
Designed for
1.52× crop
Field of view by sensor
| Sensor | Diagonal angle of view | 35 mm equivalent |
|---|---|---|
| APS-C (1.5×) | 70.5° | 31 mm |
| Canon APS-C (1.6×) | 68.1° | 32 mm |
| Micro Four Thirds | 56.8° | 40 mm |
Hyperfocal distance
| Focal length | f/2.8 | f/5.6 | f/8 | f/11 | f/16 |
|---|---|---|---|---|---|
| 20 mm | 7.3 m | 3.7 m | 2.6 m | 1.9 m | 1.3 m |
Circle of confusion 0.020 mm (sensor size the lens is designed for).
Longest exposure for sharp stars
| Camera | NPF rule (wide open) | 500 rule |
|---|---|---|
| APS-C (24 MP) | 10.8 s @ f/2.8 | 16.3 s |
Cameras that fit (17)
- Samsung Galaxy NX
- Samsung NX10
- Samsung NX11
- Samsung NX100
- Samsung NX1000
- Samsung NX20
- Samsung NX200
- Samsung NX210
- Samsung NX300
- Samsung NX300M
- Samsung NX500
- Samsung NX1100
- Samsung NX2000
- Samsung NX3000
- Samsung NX1
- Samsung NX5
- Samsung NX30
Where to buy
B&H PhotoAmazonKEH (used)MPB (used)FAQ
What is the Samsung NX 20mm f/2.8 Pancake equivalent to on APS-C?
It is designed for a 1.52× sensor, giving a full-frame equivalent of 30 mm.
Which cameras is the Samsung NX 20mm f/2.8 Pancake compatible with?
It fits Samsung Galaxy NX, Samsung NX10, Samsung NX11, Samsung NX100, Samsung NX1000 and more (see the full list above).