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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)
IMAGE Boosted ISO (minimum): 50
IMAGE Boosted ISO (maximum): 204800
IMAGE White balance presets: 10
PHOTOGRAPHY FEATURES Maximum shutter speed: 1/8000 sec
PHOTOGRAPHY FEATURES External flash: Yes (via hot shoe or flash sync port)
SCREEN / VIEWFINDER Screen dots: 1,440,000
SCREEN / VIEWFINDER Touch screen: Yes
OPTICS & FOCUS Number of focus points: 693
PHYSICAL Battery Life (CIPA): 650
CONNECTIVITY Microphone port: Yes
Main
Model
Price
Advantages
PHOTOGRAPHY FEATURES Subject / scene modes: Yes
PHOTOGRAPHY FEATURES Built-in flash: Yes
PHOTOGRAPHY FEATURES Continuous drive: 24.0 fps
PHYSICAL Weight (inc. batteries): 299 g (0.66 lb / 10.55 oz)
Summary
The Sony Alpha a9 highest resolution of 6000 x 4000 pixels (24 megapixels) is better than the Sony Cyber-shot DSC-RX100 V maximum resolution of 5472 x 3648 pixels (20 megapixels). The Sony Alpha a9 is produced with bigger sensor compared to the Sony Cyber-shot DSC-RX100 V: Full frame (35.6 x 23.8 mm) versus 1″ (13.2 x 8.8 mm). It is very important advantage of this camera as big sensor allows the camera owner to produce photos of the better quality. The Sony Alpha a9 offers a wider ISO range of 100-51200 in compare with 125-12800 ISO range of the Sony Cyber-shot DSC-RX100 V. This ISO range allow the camera owner to produce good quality photos in dim light conditions. The Sony Alpha a9 provides more number of white balance presets - 10. This specification gives the camera owner more control over colour. The Sony Alpha a9 provides more focus points in compare with the Sony Cyber-shot DSC-RX100 V: 693 vs 315. More number of focus points means more convenience when attempting to focus on subjects which are not centred.
The Sony Alpha a9 display is better as it has more screen dots 1,440,000 in compare to 1,228,800 dots of the Sony Cyber-shot DSC-RX100 V display. The higher dot count display is better for reviewing images on your camera. The Alpha a9 has a touch screen. The Alpha a9 provides better maximum shutter speed - 1/8000 second.
The Sony Cyber-shot DSC-RX100 V has built-in flash. The Alpha a9 supports external flash. It provides great control over the exposure and lighting of the object in dim light and in bright light conditions where the photographer needs to fill-flash. The Sony Alpha a9 battery life is better than the Sony Cyber-shot DSC-RX100 V battery life. In accordance with CIPA standards you will be able to take 650 shots with the Alpha a9 and only 220 with the Cyber-shot DSC-RX100 V. The Cyber-shot DSC-RX100 V weighs 299g which is 374g less than the weight of the Alpha a9.
Taking into account the above-mentioned differences the Alpha a9 becomes the best buy. Get the list of the best offers on Amazon