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PHOTOGRAPHY FEATURES Minimum shutter speed: 60 sec
SCREEN / VIEWFINDER Screen size: 3.2″
SCREEN / VIEWFINDER Screen dots: 1,620,000
Main
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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 White balance presets: 10
PHOTOGRAPHY FEATURES Continuous drive: 20.0 fps
OPTICS & FOCUS Number of focus points: 693
PHYSICAL Weight (inc. batteries): 673 g (1.48 lb / 23.74 oz)
PHYSICAL Battery Life (CIPA): 650
Summary
The Alpha a9 maximum resolution of 6000 x 4000 pixels (24 megapixels) is better than the Panasonic Lumix DC-GH5 maximum resolution of 5184 x 3888 pixels (20 megapixels). The Alpha a9 is equipped with bigger sensor compared to the Panasonic Lumix DC-GH5: Full frame (35.6 x 23.8 mm) versus Four Thirds (17.3 x 13 mm). This is very important difference between these cameras as big sensor lets the photographer to take pictures of the higher quality. The Alpha a9 has a wider ISO range of 100-51200 in compare with 200-25600 ISO range of the Panasonic Lumix DC-GH5. This ISO numbers allow the camera owner to take good quality pictures in more difficult situations. The Alpha a9 provides more presets of white balance - 10. This specification gives the photographer more control over colour. The Alpha a9 offers more focus points in compare with the Panasonic Lumix DC-GH5: 693 vs 225. More focus points means more convenience while attempting to focus on subjects which are not centred.
The Panasonic Lumix DC-GH5 display is better as it has more screen dots 1,620,000 in comparison to 1,440,000 dots of the Alpha a9 screen. The higher dot count display is better for reviewing pictures on your camera. The Panasonic Lumix DC-GH5 provides better minimum shutter speed - 60 seconds.
The Alpha a9 battery life is better than the Panasonic Lumix DC-GH5 battery life. In accordance with CIPA standards the camera owner will be able to produce 650 shots with the Alpha a9 and only 410 with the Lumix DC-GH5. The Alpha a9 weighs 673g that is 52g lighter than the weight of the Panasonic Lumix DC-GH5.
Taking into account the above differences the Alpha a9 will be the best buy. Get the lowest price on Amazon