![cover image](https://wikiwandv2-19431.kxcdn.com/_next/image?url=https://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Landsat_Data_Continuity_Mission_Operational_Land_Imager_Instrument_Design.jpg/640px-Landsat_Data_Continuity_Mission_Operational_Land_Imager_Instrument_Design.jpg&w=640&q=50)
Operational Land Imager
Sensing instrument aboard the Landsat 8 satellite orbiting Earth / From Wikipedia, the free encyclopedia
The Operational Land Imager (OLI) is a remote sensing instrument aboard Landsat 8, built by Ball Aerospace & Technologies. Landsat 8 is the successor to Landsat 7 and was launched on February 11, 2013.[1]
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/1/1c/Landsat_Data_Continuity_Mission_Operational_Land_Imager_Instrument_Design.jpg/640px-Landsat_Data_Continuity_Mission_Operational_Land_Imager_Instrument_Design.jpg)
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/0/04/Thames_Estuary_and_Wind_Farms_from_Space_NASA.jpg/640px-Thames_Estuary_and_Wind_Farms_from_Space_NASA.jpg)
OLI is a push broom scanner that uses a four-mirror telescope with fixed mirrors.