The Olympus Stylus 1 is a constant-aperture digital superzoom bridge camera by Olympus Corporation. A slightly updated model called the Olympus Stylus 1s was later released.
See also List of bridge cameras
References http://www.dpreview.com/products/olympus/compacts/oly_stylus1/specifications
https://cameradecision.com/compare/Olympus-XZ-1-vs-Olympus-Stylus-1