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Main
Model
Price
Advantages
PHOTOGRAPHY FEATURES Built-in flash: Yes
Main
Model
Price
Advantages
SENSOR Effective pixels: 24 megapixels
SENSOR Max resolution: 6000 x 4000
SENSOR Sensor size: Full frame (35.6 x 23.8 mm)
SENSOR Sensor photo detectors: 28 megapixels
IMAGE ISO: Auto, ISO 100-51200 (expands to 50-204800)
PHOTOGRAPHY FEATURES Minimum shutter speed: 30 sec
PHOTOGRAPHY FEATURES Maximum shutter speed: 1/8000 sec
PHOTOGRAPHY FEATURES Aperture priority: Yes
PHOTOGRAPHY FEATURES Shutter priority: Yes
PHOTOGRAPHY FEATURES Manual exposure mode: Yes
PHOTOGRAPHY FEATURES External flash: Yes (via hot shoe or flash sync port)
SCREEN / VIEWFINDER Articulated LCD: Tilting
SCREEN / VIEWFINDER Screen size: 3″
SCREEN / VIEWFINDER Screen dots: 1,440,000
SCREEN / VIEWFINDER Touch screen: Yes
SCREEN / VIEWFINDER Viewfinder type: Electronic
Summary
The Sony Alpha a9 highest resolution of 6000 x 4000 pixels (24 megapixels) is better in comparison with the Coolpix W100 highest resolution of 4160 x 3120 pixels (13 megapixels). The Sony Alpha a9 is produced with bigger sensor compared to the Coolpix W100: Full frame (35.6 x 23.8 mm) versus 1/3.1' (4.7 x 3.5 mm). It is the most important difference between these models because large sensor lets the camera owner to produce photos of the better quality. The Sony Alpha a9 has a wider ISO range of 100-51200 in compare with 125-1600 ISO range of the Coolpix W100. This ISO range allow the camera owner to produce better photos in dim light conditions.
The Sony Alpha a9 is produced with tilting LCD which will allow the camera owner to shoot high quality selfies. The Sony Alpha a9 display is better as it offers more screen dots 1,440,000 in comparison to 230,000 dots of the Coolpix W100 screen. The higher dot count display is better for reviewing pictures on your camera. The Sony Alpha a9 is produced with Yes inch touch screen which is bigger than No inch display of the Coolpix W100 The Sony Alpha a9 has better minimum (30 seconds) and highest (1/8000 second) shutter speeds.
The Coolpix W100 is produced with built-in flash. The Sony Alpha a9 supports external flash. An external flash provides great control over the exposure and lighting of the object in low light or in bright light conditions where the photographer needs to fill-flash.
The Alpha a9 has 16 advantages and the Coolpix W100 only 1 so the Alpha a9 will be the best choice. Check the lowest price on Amazon