Sigma sd Quattro vs. Nikon D7500 - Camera Comparison

Comparison of the Sigma sd Quattro and the Nikon D7500

Sigma sd Quattro
47 points
Nikon D7500
78 points
Sigma sd Quattro
Sigma sd Quattro ✭ Camspex.com
95 mm
147 mm
BODY
Nikon D7500
Nikon D7500 ✭ Camspex.com
104 mm
136 mm
2016
YEARYear of announcement
2017
Magnesium alloy
BODY MATERIAL
Carbon fiber reinforced plastic
Weather
sealed
WEATHER SEALING
Weather
sealed
Sigma SA
LENS MOUNT
Nikon F
n/a
SHUTTER LIFEThe shutter durability as rated by the manufacturer.
150 000 cycles
662 g
1.46 lb
147 x 95 x 91 mm
5.8 x 3.7 x 3.6 in.
DIMENSIONS
& 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
136 x 104 x 73 mm
5.4 x 4.1 x 2.9 in.
720 g
1.59 lb
Sigma sd Quattro
Nikon D7500
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
4.3 μm
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.
4.2 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.
3:2
Sigma sd Quattro
DXOMARK
SENSOR
SCOREAnalysis of the camera image quality by dxomark.com
Nikon D7500
 
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.
86
 
Not tested
COLOR DEPTHThe color depth performance (DXOMARK Portrait Score) in bits
24.3
 
Not tested
DYNAMIC RANGEThe maximum dynamic range performance (DXOMARK Landscape Score) in exposure value (EV)
14
 
Not tested
LOW-LIGHT ISOThe low-light sensitivity performance (DXOMARK Sports Score) in ISO sensitivity value
1483
Sigma sd Quattro
Nikon D7500
COVERAGE:
100 %
REAL SIZE:
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 %
REAL SIZE:
0.63
Electronic (2 359 296 dot LCD)
VF TYPE
Optical (pentaprism)
Fixed
 1 620 000 dot LCD
REAR SCREEN
Articulated 
921 600 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.
camspex.com — Top plate LCD — Nikon D7500
Sigma sd Quattro
Nikon D7500
Hybrid detection
AUTOFOCUS SYSTEM
AF SYSTEM
Phase detection, Contrast detection in Live View mode
AUTOFOCUS MODULE
AF MODULE
Advanced Multi-CAM 3500DX II
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
51
51
0
CROSS-TYPE FOCUS POINTS
CROSS-TYPE FP
15
camspex.com — Autofocus system — Sigma sd Quattro
-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.
-3
camspex.com — Autofocus system — Nikon D7500
26 %
AF COVERAGEFrame coverage by AF sensors in percent.
28 %
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.
Yes
No
IN-BODY IMAGE STABILIZATION
IMAGE STABILIZ.
No
Sigma sd Quattro
Nikon D7500
Dual TRUE III
IMAGE
PROCESSOR
EXPEED 5
14 bit RAW, JPEG
OUTPUT FORMATS
12 or 14 bit RAW, JPEG
100 - 6400
ISO SEN­SITIVITY
Auto, 100 - 51200
(can be extended to ISO 50, 1640000)
3.7
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.
8
fps
12 JPEG shots
12 RAW shots
MAX. BURSTMaximum number of shots in high-speed continuous drive mode until the buffer is full.
100 JPEG shots
50 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 1/3 or 1/2 EV steps)
Bulb,
 
30 sec → 1/4000 sec
SHUTTER SPEED Maximum and minimum possible exposure time in seconds.
Bulb, 
30 sec → 1/8000 sec
Sigma sd Quattro
Nikon D7500

X-SYNC:
1/180
No
built-in
flash

No
flash
BUILT-IN FLASH
GUIDE
NUMBER:

GN:
12

X-SYNC:
1/250
Yes
HOT SHOE
Yes
USB 3.0 (5 Gbit/sec)
USB
USB 2.0 (480 Mbit/sec)
HDMI
CONNECTIONS
CONNECT.
Microphone port, Headphone port, HDMI
BUILT-IN
DEVICES
SD, SDHC, SDXC
STORAGE TYPES
SD, SDHC, SDXC (UHS-I compatible)
1
CARD SLOTS
1
235
shots
BATTERY LIFEMaximum number of images that can be shot per single battery charge (according to CIPA).
950
shots

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