Comparison of the Sigma sd Quattro and the Nikon Z 50
Sigma sd Quattro
						47 points
					Nikon Z 50
						73 points
					
					Sigma sd Quattro				
				
				 
						
						95 mm
							
							
						147 mm
					
				BODY
			
					Nikon Z 50				
				 
						94 mm
							
							
						127 mm
					
				2016
			YEARYear of announcement
			2019
		Magnesium alloy
			BODY MATERIAL
			Magnesium alloy
		Weather
sealed
			sealed
WEATHER SEALING
			weather
sealed
Sigma SA
			LENS MOUNT
			Nikon Z
		n/a
SHUTTER LIFEThe shutter durability as rated by the manufacturer.
			n/a
662 g
1.46 lb
1.46 lb
147 x 95 x 91 mm
5.8 x 3.7 x 3.6 in.
			5.8 x 3.7 x 3.6 in.
DIMENSIONS
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
				& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
DIMENS.
& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
			& WEIGHTLength x Height x Width and the Weight incl. batteries and memory card
127 x 94 x 60 mm
5 x 3.7 x 2.4 in.
				5 x 3.7 x 2.4 in.
450 g
0.99 lb
0.99 lb
Sigma sd Quattro
			Nikon Z 50
			19.6 MP
Foveon X3 Quattro CMOS APS-C Sensor
SENSOR The number of effective megapixels (MP). Sensor manufacturer (if known) and sensor type.
				SENSOR Sensor manufacturer (if known) and sensor type.
			20.9 MP
Sony IMX321 Exmor CMOS APS-C Sensor
19.6 MP
				EFFECTIVE MEGAPIX The number of effective megapixels (MP).
				20.9 MP
			23.5 x 15.5 mm
			SENSOR SIZE
			23.5 x 15.7 mm
		5440 x 3616 pixels
			MAX. RESOLUTIONMaximum still image resolution
				MAX. RESOLUT.Maximum still image resolution
			5568 x 3712 pixels
		1.5x
			CROP FACTORA 50mm lens on a camera with a crop factor of 1.5x would behave like a 75mm lens on a full-frame camera with a crop factor of 1x (50mm x 1.5 = 75mm)
			1.5x
		Full Color
			COLOR FILTER
			Bayer array
		PIXEL PITCHThe center-to-center distance between two pixels (photosites) on a sensor. The larger the photosites, the more light they can capture and the lower is the level of visible "noise" in captured images.
							
				4.22 μm
				 
			
		None
			LOW-PASS FILTERA low-pass filter blurs fine details of an image to eliminate the moiré and the color artifacts of finely patterned structures. Without a low-pass filter images will appear sharper, but there is also a risk of moiré occurring in certain scenes.
			None
		3:2
			NATIVE
ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
				ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
ASPECT RATIOThe width to height ratio of the "straight out of the camera" images. However, most modern digital cameras are capable of producing images in various aspect ratios.
			3:2
		Not tested
OVERALL SCOREDXOMARK Sensor Overall Score shows a camera's sensor quality in terms of noise, ability to render high contrast, formation of colored noise, ability to shoot in low light.
			Not tested
Not tested
DYNAMIC RANGEThe maximum dynamic range performance (DXOMARK Landscape Score) in exposure value (EV)
			Not tested
Not tested
LOW-LIGHT ISOThe low-light sensitivity performance (DXOMARK Sports Score) in ISO sensitivity value
			Not tested
Sigma sd Quattro
			Nikon Z 50
			COVERAGE:
100 %
						100 %
REAL SIZE:
0.73
					0.73
VIEWFINDERThe viewfinder frame COVERAGE in percent and the real viewfinder SIZE (VF magnification corrected by the crop factor of a camera — this way cameras with different sensor sizes can be compared).
			COVERAGE:
100 %
						100 %
REAL SIZE:
0.68
					0.68
Electronic 
(2 359 296 dot LCD)
(2 359 296 dot LCD)
VF TYPE
			Electronic 
(2 359 296 dot OLED)
(2 359 296 dot OLED)
Fixed
1 620 000 dot LCD
			1 620 000 dot LCD
REAR SCREEN
			Articulated 
1 036 800 dot LCD
		1 036 800 dot LCD
3 inch
			SCREEN SIZE
			3.2 inch
		LIVE VIEW & TOUCH SCREEN
			No top LCD panel
TOP LCD PANELLCD panel on top of the camera which provides information about the current camera settings.
			No top LCD panel
Sigma sd Quattro
			Nikon Z 50
			Hybrid detection
			AUTOFOCUS SYSTEM
AF SYSTEM
Hybrid detection
		9 (phase)  
				9 (contrast)
			
				9
 (phase)  9
 (contrast)
				FOCUS POINTSAutofocus points
as shown in the figures below:
° linear sensors
° cross-type sensors
° dual cross-type sensors
contrast autofocus areas
			as shown in the figures below:
° linear sensors
° cross-type sensors
° dual cross-type sensors
contrast autofocus areas
209 (phase)  
				209 (contrast)
			
				209
 (phase)  209
 (contrast)0
			CROSS-TYPE FOCUS POINTS
CROSS-TYPE FP
0
		
-1
EV
			100
The minimum exposure value of the AF working range (at 23°C and ISO 100). The smaller this value, the less light is needed for normal autofocus operation.-4

26 %
			AF COVERAGEFrame coverage by AF sensors in percent.
				
			73 %
		None
			IN-BODY
AF MOTORAn in-body AF motor gives the ability to auto-focus with older lenses which don't have their own motors.
			AF MOTORAn in-body AF motor gives the ability to auto-focus with older lenses which don't have their own motors.
None
		No
			IN-BODY IMAGE STABILIZATION
IMAGE STABILIZ.
No
		Sigma sd Quattro
			Nikon Z 50
			Dual TRUE III
			IMAGE
PROCESSOR
			PROCESSOR
EXPEED 6
		14 bit RAW, JPEG
			OUTPUT FORMATS
			12 or 14 bit RAW, JPEG
		100 - 6400
			ISO SENSITIVITY
			Auto, 100 - 51200
(can be extended to ISO 204800)
		(can be extended to ISO 204800)
3.7
fps
fps
CONTINUOUS DRIVEMaximum frames per second (fps) in continuous drive mode when using the mechanical shutter.
				CONT. DRIVEMaximum frames per second (fps) in continuous drive mode when using the mechanical shutter.
			11
fps
fps
				12 JPEG shots
12 RAW shots
			12 RAW shots
MAX. BURSTMaximum number of shots in high-speed continuous drive mode until the buffer is full.
			
				71 JPEG shots
30 RAW shots
			30 RAW shots
No Video Mode
			MAX. VIDEO RESOLUTION
VIDEO
2160p @ 30 fps (4K)
		-5/+5 EV  (in 1/3 EV steps)
EXPOSURE COMPENSATION
EXPOSURE COMPENS.
-5/+5 EV  (in 1/2 or 1/3 EV steps)
Bulb,
30 sec → 1/4000 sec
30 sec → 1/4000 sec
SHUTTER SPEED Maximum and minimum possible exposure time in seconds.
			Bulb, 
30 sec → 1/4000 sec
30 sec → 1/4000 sec
Sigma sd Quattro
			Nikon Z 50
			X-SYNC:
1/180
No
built-in
flash
built-in
flash
No
flash
BUILT-IN FLASH
			GUIDE
NUMBER:
NUMBER:
GN:
7
X-SYNC:
1/200
Yes
			HOT SHOE
			Yes
		USB 3.0 (5 Gbit/sec)
			USB
			USB 2.0 (480 Mbit/sec)
		HDMI
CONNECTIONS
CONNECT.
Microphone port, HDMI
BUILT-IN
DEVICES
			DEVICES
SD, SDHC, SDXC
			STORAGE TYPES
			SD, SDHC, SDXC (UHS-I compatible)
		1
			CARD SLOTS
			1
		
		235
shots
shots
BATTERY LIFEMaximum number of images that can be shot per single battery charge (according to CIPA).
			280
shots
shots

