Tools, cameras and a sat nav were among the items stolen from a van in The Medway in the Grange area of Daventry.
Thieves broke into the white Vauxhall Combo sometime between 9pm on Monday, April 4 and 7.30am on Tuesday, April 5, and stole a number of items.
Items taken include a black and yellow Homebase tool bag containing various hand tools and a Fluke digital meter, a bird spotting scope and a pair of binoculars, a dashboard camera, a Panasonic Lumix TZ270 camera, a Canon 650D digital SLR camera and lenses, and a Tom Tom 6000 sat nav
Witnesses, or anyone with any information about the stolen property, are asked to contact Northamptonshire Police on 101.
Alternatively, they can call independent charity Crimestoppers anonymously on 0800 555 111.