Compare Sony a7R II vs Canon 1DX Mark III vs Sigma sd Quattro H
Connectivity
Ports
HDMI + Headphone + Microphone + Remote Control + USB 2.0
HDMI + Headphone + Microphone + Remote Control + USB 3.2 Gen 2
HDMI + Remote Control + USB 3.0
Wireless Connectivity
802.11b/g/n with NFC
WiFi, Bluetooth
Construction
Form Factor
Mirrorless camera
DSLR camera
Mirrorless camera
Image Size
Full frame (35.9 x 24 mm)
Full frame (36 x 24 mm)
APS-H (26.6 x 17.9 mm)
Lens Mount
Sony E-mount
Canon EF-mount
Sigma SA-mount
Material
Magnesium alloy
Microphone
Stereo
Mono
None
Sensor | Resolution
42 MP (7952 x 5304)
20 MP (5472 x 3648)
45 MP (6200 x 4152)
Sensor | Type
BSI-CMOS
CMOS
CMOS (Foveon X3)
Speakers
Mono
Mono
None
Dimensions
Size | Depth
60 mm / 2.36 in
83 mm / 3.27 in
91 mm / 3.58 in
Size | Height
96 mm / 3.78 in
168 mm / 6.61 in
95 mm / 3.74 in
Size | Width
127 mm / 5.00 in
158 mm / 6.22 in
147 mm / 5.79 in
Weight
625 g / 22.08 oz
1440 g / 50.88 oz
Display
Display Diagonal
3 inch
3.2 inch
3 inch
Display Type
Tilting TFT LCD
Fixed TFT LCD
Fixed TFT LCD
Resolution
1,228,800 dots
2,100,000 dots
1,620,000 dots
Viewfinder | Coverage
100%
100%
100%
Viewfinder | Magnification
0.78x
0.76x
1.09x
Viewfinder | Resolution
2,359,296 dots
2,360,000 dots
Viewfinder | Type
Electronic
Optical (pentaprism)
Electronic
Function
AE Bracketing
±5 (3, 5 frames at 1/3 EV, 1/2 EV, 2/3 EV, 1 EV, 2 EV steps)
±3 (3, 5 frames at 1/3 EV steps)
Autofocus
399 focus points
191 focus points (155 cross type)
9 focus points
Crop Factor
1.0
1.0
Exposure Compensation
±5 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV, 1/2 EV steps)
±5 (at 1/3 EV steps)
Exposure Mode
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Auto / Aperture Priority / Shutter Priority / Manual
Flash Sync Speed
1/250 s
GPS
No
Yes
No
ISO Range
100 ~ 25600 (expands to 50 ~ 102400)
100 ~ 102400 (expands to 50 ~ 819200)
100 ~ 6400
Image Stabilization
5-axis (4.5 stops per CIPA standard)
No
No
Intervalometer
Yes
Yes
Processor
Bionz X
Digic X
Dual TRUE III
Touch Screen
No
Yes
No
Video Codecs
MPEG-4, AVCHD, XAVC S
MPEG-4, H.264, H.265
Video Recording
4K 60 fps
Weather Resistance
Yes
Yes
Yes
Performance
Battery Life
290 shots
2850 shots
Battery Life | Stills
2850 shots (Viewfinder) / 610 shots (Live View)
Battery Life | Video
140 min (4K)
Durability
Shutter: 400,000 shots
Max Burst Rate
5.0 fps
20.0 fps
3.8 fps
Shutter Speed
1/8000 to 30 s
Storage
SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo
Dual CFexpress type B
SD/SDHC/SDXC
Production
Battery
NP-FW50 lithium-ion battery and charger
LP-E19 lithium-ion battery & dual charger
BP-61 lithium-ion battery & charger
Debut
2015-06-10
2020-01-07
2016-02-23
Made In
Japan
Model Name
ILCE-7RM2
Reviews
Neofiliac score
63%
77%
49%
Pros
- Rather compact
- High 42 MP resolution
- Weather-sealed
- Exceptional battery life
- Built-in GPS functionality
- Extraordinary 20.0 fps burst rate
- Weather-sealed
- Supports CFExpress card
- High 45 MP resolution
- Weather-sealed
- Viewfinder with great 1.09x magnification
- Foveon sensor
Cons
- Menu not touch-enabled
- Poor battery life
- Very low 5.0 fps burst rate
- Viewfinder with low 0.78x magnification
- Low resolution EVF
- Very large in size
- Very heavy
- Low 20 MP resolution
- Viewfinder with low 0.76x magnification
- Menu not touch-enabled
- Very low 3.8 fps burst rate
- Low resolution EVF
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