Sigma sd Quattro vs. Sony SLT-A77 II - Camera Comparison

Sigma sd Quattro vs. Sony SLT-A77 II:

Sigma sd Quattro
Sigma sd Quattro ✭ Camspex.com
BODY
Sony SLT-A77 II
Sony SLT-A77 II ✭ Camspex.com
2016
YEARYear of announcement
2014
Magnesium alloy
BODY MATERIAL
Magnesium alloy
Weather
sealed
WEATHER SEALING
Weather
sealed
Sigma SA
LENS MOUNT
Sony A
n/a
SHUTTER LIFEThe shutter durability as rated by the manufacturer.
150000 cycles
662 g
147 x 95 x 91 mm
DIMENSIONS
& WEIGHTLength x Height x Width and the Weight according to CIPA (incl. batteries and memory card)
DIMENS.
& WEIGHTLength x Height x Width and the Weight according to CIPA (incl. batteries and memory card)
143 x 104 x 81 mm
726 g
Sigma sd Quattro
Sony SLT-A77 II
19.6 MP
Foveon X3 Quattro CMOS APS-C sensor
APS-C
SENSORThe number of effective megapixels (MP). Sensor manufacturer (if known) and sensor type.
24.3 MP
Sony CMOS APS-C sensor
APS-C
23.5 x 15.5 mm
SENSOR SIZE
23.5 x 15.6 mm
5440 x 3616 pixels
MAX. RESOLUTIONMaximum still image resolution
MAX. RES.Maximum still image resolution
6000 x 4000 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.
3.9 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.
Fixed
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
14 bit RAW, JPEG
OUTPUT FORMATS
12 bit RAW, JPEG
100 - 6400
ISO SEN­SITIVITY
Auto, 50 - 25600
Sigma sd Quattro
DXOMARK
SENSOR
SCOREAnalysis of the camera image quality by dxomark.com
Sony SLT-A77 II
 
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.
82
 
Not tested
COLOR DEPTHThe color depth performance (DXOMARK Portrait Score) in bits
24.4
 
Not tested
DYNAMIC RANGEThe maximum dynamic range performance (DXOMARK Landscape Score) in exposure value (EV)
13.4
 
Not tested
LOW-LIGHT ISOThe low-light sensitivity performance (DXOMARK Sports Score) in ISO sensitivity value
1013
Sigma sd Quattro
Sony SLT-A77 II
COVERAGE:
100 %
SIZE:
0.73
camspex.com — Viewfinder — Sigma sd Quattro
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).
camspex.com — Viewfinder — Sony SLT-A77 II
COVERAGE:
100 %
SIZE:
0.71
Electronic  (2 359 296 dot LCD)
VF TYPE
Electronic  (2 359 296 dot OLED)
Fixed
 1 620 000 dot LCD
REAR SCREEN
Articulated 
1 228 800 dot LCD
3 inch
SCREEN SIZE
3 inch
LIVE VIEW & TOUCH SCREEN
LV & TS
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 — Sony SLT-A77 II
Sigma sd Quattro
Sony SLT-A77 II
Hybrid detection
AUTOFOCUS SYSTEM
AF SYSTEM
Phase 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
79
79
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.
-2
camspex.com — Autofocus system — Sony SLT-A77 II
26 %
AF COVERAGEFrame coverage by AF sensors in percent.
32 %
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 STABI
Sensor shift
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.
12
fps
12 JPEG shots
12 RAW shots
MAX. BURSTMaximum number of shots in high-speed continuous drive mode until the buffer is full.
56 JPEG shots
28 RAW shots
-5/+5 EV  (in 1/3 EV steps)
EXPOSURE COMPENSATION
EXP. COMP.
-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
Sony SLT-A77 II

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 (micro B)
USB
USB 2.0 (480 Mbit/sec)
No Video Mode
MAX. VIDEO RESOLUTION
VIDEO
1080p @ 60 fps (Full HD)
HDMI
CONNECTIONS
CONNECT.
Microphone port, HDMI
BUILT-IN
DEVICES
SD, SDHC, SDXC
STORAGE TYPES
SD, SDHC, SDXC, Memory Stick Pro Duo, Pro-HG Duo
1
CARD SLOTS
1
235
shots
BATTERY LIFEMaximum number of images that can be shot per single battery charge (according to CIPA).
410
shots
PRICE
at eBay

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