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