ISO range : You get more ISO range with Fujifilm S1, + Fuji comes with bright aperture lens compared SX 50 HS, hence you will sure get less noise in HIGH ISO images compared to SX50 HS.
RAW– Both camera features RAW shooting mode, Canon SX50 HS captures RAW still images–including RAW+JPEG, the Fujifilm S1 can also record files in the RAW, or RAW+JPEG, formats
Image Stabilization: Both cameras features advance IS system, but Fuji S1 IS is better compared to Canon SX 50 HS.
- Fujifilm comes with 5 axis IS – The 2-axis optical image stabilization system counters both pitch and yaw movements and the rest 3-axis electronic image stabilization system compensates for roll, vertical shift, and horizontal shift movement types.
- Canon SX50 HS comes with Intelligent IS – It automatically select from six different modes to optimize image stabilization for the given situation: Normal, Panning, Macro (Hybrid) and Tripod IS for stills; and Dynamic, Powered, Macro and Tripod IS for video.
Shutter: Fujifilm features more shutter (Min/Max) range and fast continuous shooting speed upto 10 fps, Canon SX 50 HS limited to 2.2 fps only.
Video With S1 you can capture Full HD videos @ 60fps, Canon is limited to 60fps.
Display: Fujifilm is better with 3.0″ 920k-Dot Vari-Angle LCD Monitor and Canon 2.8″ display limited to 461K pixels and yes both are vari-angle.
Other features of S1 not available in Fujifilm S1
- Built-In Wi-Fi Connectivity
- Dust and Weather-Resistant Body Design
- Time Lapse shooting
Verdict: We highly recommend you to buy Fujifilm S1