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Sony A7S III vs Sony A850

Portability
61 Imaging
64 Features
92 Overall
75
Sony Alpha A7S III front
 
Sony Alpha DSLR-A850 front
Portability
54 Imaging
67 Features
60 Overall
64

Sony A7S III vs Sony A850 Key Specs

Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Screen
  • ISO 80 - 102400 (Raise to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Revealed July 2020
  • Previous Model is Sony A7S II
Sony A850
(Full Review)
  • 25MP - Full frame Sensor
  • 3" Fixed Display
  • ISO 200 - 3200 (Bump to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • No Video
  • Sony/Minolta Alpha Mount
  • 895g - 156 x 117 x 82mm
  • Revealed April 2010
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Sony A7S III vs Sony A850 Overview

Following is a in depth analysis of the Sony A7S III versus Sony A850, former is a Pro Mirrorless while the other is a Advanced DSLR and they are both produced by Sony. There exists a considerable gap between the sensor resolutions of the A7S III (12MP) and A850 (25MP) but they enjoy the same exact sensor sizes (Full frame).

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The A7S III was manufactured 10 years after the A850 which is quite a large difference as far as technology is concerned. Both of the cameras offer different body type with the Sony A7S III being a SLR-style mirrorless camera and the Sony A850 being a Mid-size SLR camera.

Before getting in to a comprehensive comparison, below is a simple summation of how the A7S III matches up versus the A850 in the way of portability, imaging, features and an overall score.

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Reasons to pick Sony A7S III over the Sony A850

					

					

						
 A7S III A850 
RevealedJuly 2020April 2010More modern by 125 months
Display typeFully articulatedFixed Fully Articulating display
Display resolution1440k922kCrisper display (+518k dot)
Selfie screen  Easy selfies
Touch friendly display  Easily navigate
					

				


				

					

						
Reasons to pick Sony A850 over the Sony A7S III

					

					

						
 A850 A7S III 
					

				


				

					

						
Common features in the Sony A7S III and Sony A850

					

					

						
 A7S III A850 
Manual focus  More exact focusing
Display sizing3"3"Equivalent display dimensions
					

				

				

	
	
	
	

				

					

						
Sony A7S III vs Sony A850 Physical Comparison

					

					

						
If you're going to carry around your camera often, you will need to factor its weight and dimensions. The Sony A7S III features outside measurements of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") and a weight of 699 grams (1.54 lbs) and the Sony A850 has dimensions of 156mm x 117mm x 82mm (6.1" x 4.6" x 3.2") and a weight of 895 grams (1.97 lbs).
Contrast the Sony A7S III versus Sony A850 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses
Take into consideration, the weight of an ILC will change based on the lens you have chosen at that moment. Below is the front view overall size comparison of the A7S III vs the A850.
Sony A7S III vs Sony A850 size comparison
Factoring in dimensions and weight, the portability grade of the A7S III and A850 is 61 and 54 respectively.
Sony A7S III vs Sony A850 top view buttons comparison					

				


				

					

						
Sony A7S III vs Sony A850 Sensor Comparison

					

					

						
Typically, it is very hard to visualise the gap between sensor sizes just by reading specs. The image below will help provide you a far better sense of the sensor measurements in the A7S III and A850.
All in all, each of the cameras enjoy the same exact sensor sizing but not the same resolution. You can anticipate the Sony A850 to deliver greater detail due to its extra 13MP. Greater resolution will also make it easier to crop pics far more aggressively. The more recent A7S III will have an edge in sensor innovation.

						Sony A7S III vs Sony A850 sensor size comparison
					

				


				

					

						
Sony A7S III vs Sony A850 Screen and ViewFinder

					

					

											

					Sony A7S III vs Sony A850 Screen and Viewfinder comparison				


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Photography Type Scores

					

				

				
Portrait Comparison
 Sony A7S III as a Portrait photography camera
 Sony A850 as a Portrait photography camera
70
 you can focus manually
 sensor size is great (Full frame)
 comes with face detection focusing
 exports RAW formats
 MP count low (12MP)
72
 focusing manually
 MP count amazing (25MP)
 sensor size is big (Full frame)
 delivers RAW files
 doesn't have liveview
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Street Comparison
Sony A7S III Street photography information
Sony A850 Street photography information
76
 has image stabilization (Sensor based 5-axis)
 sensor size is great (Full frame)
 exports RAW formats
 boasts touch focus
 environment proof
 great high ISO (102,400)
66
 image stabilization (Sensor based)
 sensor size is big (Full frame)
 delivers RAW files
 environment proof
 no moving screen
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Sports Comparison
 Sony A7S III as a Sports photography camera
 Sony A850 as a Sports photography camera
75
 max shutter speed is good (1/8,000 seconds)
 has image stabilization (Sensor based 5-axis)
 sensor size is great (Full frame)
 comes with tracking autofocus
 environment proof
 better than average battery power (600 CIPA)
 sensor has phase detect AF
 MP count low (12MP)
71
 maximum shutter speed is high (1/8,000s)
 image stabilization (Sensor based)
 MP count amazing (25MP)
 sensor size is big (Full frame)
 environment proof
 has phase detect auto focus
 doesn't have liveview
 very slow continuous shooting (3.0 fps)
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Travel Comparison
 Sony A7S III as a Travel photography camera
 Sony A850 as a Travel photography camera
70
 better than average battery power (600 CIPA)
 environment proof
 connects via bluetooth
 boasts touch focus
 screen is selfie friendly
 MP count low (12MP)
55
 environment proof
 MP count amazing (25 megapixels)
 does not have Time Lapse function
 screen isn't selfie friendly
Photography Glossary
Landscape Comparison
Sony A7S III Landscape photography factors
Sony A850 Landscape photography factors
77
 you can focus manually
 switch lenses (Sony E mount)
 screen size is good (3")
 has image stabilization (Sensor based 5-axis)
 sensor size is great (Full frame)
 great high ISO (102,400)
 exports RAW formats
 environment proof
 better than average battery power (600 per charge)
 2 card slots
 MP count low (12MP)
73
 focusing manually
 change lenses (Sony/Minolta Alpha mount)
 screen size is good (3")
 image stabilization (Sensor based)
 MP count amazing (25MP)
 sensor size is big (Full frame)
 delivers RAW files
 environment proof
 2 card slots
 doesn't have liveview
 does not have Time Lapse function
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Vlogging Comparison
Sony A7S III Vlogging features
Sony A850 Vlogging features
77
 screen is selfie friendly
 has touchscreen
 has image stabilization (Sensor based 5-axis)
 comes with face detection focusing
 video res high (3840 x 2160 pxls)
 includes external mic support
9
 lack of video recording
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Sony A7S III vs Sony A850 Specifications

					

					

											


					

						Detailed spec comparison table for Sony A7S III and Sony A850
 Sony Alpha A7S IIISony Alpha DSLR-A850
General Information
Make Sony Sony
Model Sony Alpha A7S III Sony Alpha DSLR-A850
Class Pro Mirrorless Advanced DSLR
Revealed 2020-07-21 2010-04-15
Physical type SLR-style mirrorless Mid-size SLR
Sensor Information
Powered by Bionz XR Bionz
Sensor type BSI-CMOS CMOS
Sensor size Full frame Full frame
Sensor dimensions 35.6 x 23.8mm 35.9 x 24mm
Sensor area 847.3mm² 861.6mm²
Sensor resolution 12 megapixels 25 megapixels
Anti aliasing filter    
Aspect ratio 3:2 and  16:9 3:2 and  16:9
Max resolution 4240 x 2832 6048 x 4032
Max native ISO 102400 3200
Max enhanced ISO 409600 6400
Min native ISO 80 200
RAW format    
Min enhanced ISO 50 -
Autofocusing
Manual focus    
AF touch    
AF continuous    
AF single    
AF tracking    
Selective AF    
AF center weighted    
Multi area AF    
AF live view    
Face detection focusing    
Contract detection focusing    
Phase detection focusing    
Number of focus points 759 9
Lens
Lens mount Sony E Sony/Minolta Alpha
Number of lenses 121 143
Focal length multiplier 1 1
Screen
Type of screen Fully articulated Fixed Type
Screen diagonal 3 inch 3 inch
Screen resolution 1,440k dots 922k dots
Selfie friendly    
Liveview    
Touch capability    
Screen technology - TFT Xtra Fine color LCD
Viewfinder Information
Viewfinder type Electronic Optical (pentaprism)
Viewfinder resolution 9,440k dots -
Viewfinder coverage 100 percent 98 percent
Viewfinder magnification 0.91x 0.74x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/8000 seconds 1/8000 seconds
Continuous shutter rate 10.0 frames/s 3.0 frames/s
Shutter priority    
Aperture priority    
Manual mode    
Exposure compensation Yes Yes
Change WB    
Image stabilization    
Built-in flash    
Flash range no built-in flash no built-in flash
Flash options no built-in flash Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Fill-in, Wireless
Hot shoe    
Auto exposure bracketing    
WB bracketing    
Fastest flash synchronize - 1/250 seconds
Exposure
Multisegment    
Average    
Spot    
Partial    
AF area    
Center weighted    
Video features
Supported video resolutions 3840 x 2160 @ 120p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 100p / 280 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 60p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 50p / 200 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 30p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 25p / 140 Mbps, XAVC S, MP4, H.265, Linear PCM 3840 x 2160 @ 24p / 100 Mbps, XAVC S, MP4, H.265, Linear PCM 1920 x 1080 @ 120p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 100p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 60p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 50p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 25p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM 1920 x 1080 @ 24p / 50 Mbps, XAVC S, MP4, H.264, Linear PCM -
Max video resolution 3840x2160 None
Video data format MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265 -
Mic support    
Headphone support    
Connectivity
Wireless Built-In None
Bluetooth    
NFC    
HDMI    
USB USB 3.2 Gen 1 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing    
Water proof    
Dust proof    
Shock proof    
Crush proof    
Freeze proof    
Weight 699 grams (1.54 lb) 895 grams (1.97 lb)
Dimensions 129 x 97 x 81mm (5.1" x 3.8" x 3.2") 156 x 117 x 82mm (6.1" x 4.6" x 3.2")
DXO scores
DXO Overall score 85 79
DXO Color Depth score 23.6 23.8
DXO Dynamic range score 13.3 12.2
DXO Low light score 2993 1415
Other
Battery life 600 pictures 880 pictures
Battery style Battery Pack Battery Pack
Battery model NP-FZ100 NP-FM500H
Self timer Yes (2 or 10 sec; continuous (3 or 5 exposures)) Yes (2 or 10 sec)
Time lapse feature With downloadable app  
Storage type Dual SD/CFexpress Type A slots Compact Flash (Type I or II), UDMA, Memory Stick Duo / Pro Duo
Card slots 2 2
Launch cost $3,499 $0