Sony A7R III with Sony A1 Comparison

Sony A7R III and Sony A1 Main Features

  • October, 2017
  • January, 2021
  • 42 MP Full frame BSI-CMOS Sensor
  • 50 MP Full frame BSI-CMOS Sensor
  • 100 - 32000 ISO
  • 100 - 32000 ISO
  • 5-axis Sensor-shift Image Stabilization
  • 5-axis Sensor-shift Image Stabilization
  • 3" Tilting Screen
  • 3" Tilting Screen
  • Electronic Viewfinder
  • Electronic Viewfinder
  • 3686k dot Electronic viewfinder
  • 9437k dot Electronic viewfinder
  • 10.0 fps continuous shooting
  • 30.0 fps continuous shooting
  • 4K 3840 x 2160 video resolution
  • 4K 7680 x 4320 video resolution
  • Built-In Wireless
  • Built-In Wireless
  • 127 x 96 x 74 mm, 657g.
  • 129 x 97 x 70 mm, 737g.
  • Price Category:
  • Price Category:

Sony A7R III Scores


Imaging score
87
Features score
88
Value for money score
99
Portability score
77
Overall score
92

Sony A1 Scores


Imaging score
90
Features score
96
Value for money score
90
Portability score
75
Overall score
96

Sony A1 with Sony Alpha A7R III Overview


Let's compare Alpha A7R III with A1. Both cameras produced Sony. These models are included in the Pro Mirrorless cameras. Sony A7R III was released in 2017, and Sony A1 in 2021. A1 is newer, which is a plus. Alpha A7R III 4 years older.
The sensor resolution of A1 is greater than that of Alpha A7R III. The difference of 8 MP is quite a lot. The more megapixels the camera has, the more detailed and clear the picture will be. The number of megapixels will also affect the maximum size of the photos, which then can be printed without loss of quality.
The minimum ISO value for these cameras is the same and is . A larger maximum ISO allows you to take good pictures in the dark. The maximum ISO value for these cameras is the same and is . Both cameras have 5-axis Sensor-shift image stabilization. Both cameras feature a 3-inch tilting screen.
Both cameras have a electronic viewfinder. Viewfinder A1 has a higher resolution of 9437k dots, Alpha A7R III has a resolution of 3686k dots. Burst mode, also called continuous shooting mode, sports mode or continuous high speed mode, is a shooting mode in still cameras. Sony Alpha A7R III has 30.0 fps continuous shooting. Sony Alpha A7R III has 30.0 fps continuous shooting.

General Alpha A7R III A1
Brand Sony Sony
Model Alpha A7R III A1
Announced October, 2017 January, 2021
Body Type SLR-style mirrorless SLR-style mirrorless
Lens
Lens Mount Sony E Sony E
Manual Focus
Focal Lens Multiplier 1 1x
Number of Lenses 116 146
Macro Focus Range n/a n/a
Screen
Screen Size 3" 3"
Screen Type Tilting Tilting
Screen Resolution 1440k pixels 1,440kk pixels
Touch Screen
Live View
Viewfinder
Viewfinder Electronic Electronic
Viewfinder Resolution 3686
Viewfinder Coverage 100% 100%%
Viewfinder Magnification 0.78 0.9
Autofocus
AF Touch
AF Continuous
AF Single
AF Tracking
AF Selective
AF Center
AF Multi Area
AF Live View
AF Face Detection
AF Contrast Detection
AF Phase Detection
Number of Focus Points 425 759
Number of Cross Focus Points 0 0
Photography Features
RAW Support
Min Shutter Speed 1/30 sec 1/30 sec
Max Shutter Speed 1/8000 sec 1/ sec
Continuous Shooting 10.0 fps 30.0 fps
Shutter Priority
Aperture Priority
Manual Exposure Mode
Exposure Compensation
Custom White Balance
Image Stabilization
Built-in Flash
Flash Range no built-in flash no built-in flash
Flash Modes Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync
External Flash
AE Bracketing
AE Bracketing Range ±5 EV ± EV
WB Bracketing
Sensor
Sensor Size Full frame Full frame
Sensor Type BSI-CMOS BSI-CMOS
Sensor Dimensions 35.9 x 24 mm mm
Sensor Area 861.6 mm² 0.0 mm²
Sensor Resolution 42 MP 50 MP
Max Image Resolution 7952 x 5304 8640 x 5760
Max Native ISO 32000 32000
Min Native ISO 100 100
Max Boosted ISO 102400 102400
Min Boosted ISO 50 50
Video Features
4K
Max Video Resolution 3840 x 2160 7680 x 4320
Video Formats MPEG-4, AVCHD, XAVC S XAVC S, XAVC HS, H.264, H.265
Timelapse Recording
Microphone Port
Headphone Port
Exposure Modes
Multi-Segment
Average
Spot
Partial
AF-Area
Center Weighted
Connectivity
GPS None None
Wireless Connectivity Built-In Built-In
Bluetooth
HDMI
USB USB 3.1 Gen 1(5 GBit/sec) USB
Battery
Battery Life 650 shots 530 shots
Battery Type Battery Pack Battery Pack
Battery Model NP-FZ100 NP-FZ100
Physical
Weight 657 g 737 g
Physical Dimensions 127 x 96 x 74 mm 129 x 97 x 70 mm
Environmental Sealing
Water Proof
Dust Proof
Shock Proof
Crush Proof
Freeze Proof
Shock Proof
Storage
Storage Type Two SD/SDHC/SDXC slots (UHS-II support on one) Dual SD/CFexpress Type A slots (UHS-II supported)
Storage Slots 2 2
Other Features
Self Timer
Selfie Friendly

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