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Sigma DP1 Merrill vs Sony A7S III

Portability
82
Imaging
56
Features
30
Overall
45
Sigma DP1 Merrill front
 
Sony Alpha A7S III front
Portability
61
Imaging
65
Features
92
Overall
75

Sigma DP1 Merrill vs Sony A7S III Key Specs

Sigma DP1 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • " Fixed Screen
  • ISO 100 - 6400
  • 640 x 480 video
  • ()mm (F2.8) lens
  • 330g - 122 x 67 x 64mm
  • Revealed February 2012
  • Renewed by Sigma DP2 Merrill
Sony A7S III
(Full Review)
  • 12MP - Full frame Sensor
  • 3" Fully Articulated Display
  • ISO 80 - 102400 (Boost to 409600)
  • Sensor based 5-axis Image Stabilization
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 699g - 129 x 97 x 81mm
  • Launched July 2020
  • Superseded the Sony A7S II
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Sigma DP1 Merrill vs Sony A7S III Overview

Lets take a more detailed look at the Sigma DP1 Merrill vs Sony A7S III, one being a Large Sensor Compact and the other is a Pro Mirrorless by manufacturers Sigma and Sony. There is a sizeable difference among the resolutions of the DP1 Merrill (15MP) and A7S III (12MP) and the DP1 Merrill (APS-C) and A7S III (Full frame) boast totally different sensor measurements.

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The DP1 Merrill was revealed 9 years earlier than the A7S III and that is a fairly large gap as far as camera tech is concerned. The two cameras feature different body design with the Sigma DP1 Merrill being a Large Sensor Compact camera and the Sony A7S III being a SLR-style mirrorless camera.

Before going straight to a detailed comparison, here is a brief introduction of how the DP1 Merrill grades vs the A7S III when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Sigma DP1 Merrill over the Sony A7S III

 DP1 Merrill A7S III 

Reasons to pick Sony A7S III over the Sigma DP1 Merrill

 A7S III DP1 Merrill 
LaunchedJuly 2020February 2012More recent by 102 months
Display typeFully articulatedFixed Fully Articulating display
Display size3""Larger display (+3")
Display resolution1440k920kCrisper display (+520k dot)
Selfie screen Take selfies
Touch friendly display Easily navigate

Common features in the Sigma DP1 Merrill and Sony A7S III

 DP1 Merrill A7S III 
Manual focus Very precise focus

Sigma DP1 Merrill vs Sony A7S III Physical Comparison

For those who are looking to lug around your camera often, you'll need to factor in its weight and size. The Sigma DP1 Merrill enjoys physical dimensions of 122mm x 67mm x 64mm (4.8" x 2.6" x 2.5") with a weight of 330 grams (0.73 lbs) while the Sony A7S III has specifications of 129mm x 97mm x 81mm (5.1" x 3.8" x 3.2") having a weight of 699 grams (1.54 lbs).

Contrast the Sigma DP1 Merrill vs Sony A7S III in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you are working with at the time. Following is a front view measurements comparison of the DP1 Merrill versus the A7S III.

Sigma DP1 Merrill vs Sony A7S III size comparison

Looking at size and weight, the portability rating of the DP1 Merrill and A7S III is 82 and 61 respectively.

Sigma DP1 Merrill vs Sony A7S III top view buttons comparison

Sigma DP1 Merrill vs Sony A7S III Sensor Comparison

Oftentimes, it is very difficult to envision the difference in sensor measurements simply by researching a spec sheet. The photograph below will give you a greater sense of the sensor dimensions in the DP1 Merrill and A7S III.

Clearly, both the cameras feature different megapixels and different sensor measurements. The DP1 Merrill having a smaller sensor will make shooting shallower DOF trickier and the Sigma DP1 Merrill will result in extra detail because of its extra 3MP. Greater resolution will help you crop images way more aggressively. The older DP1 Merrill will be behind when it comes to sensor tech.

Sigma DP1 Merrill vs Sony A7S III sensor size comparison

Sigma DP1 Merrill vs Sony A7S III Screen and ViewFinder

Sigma DP1 Merrill vs Sony A7S III Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP1 Merrill Portrait photography advice
Sony A7S III Portrait photography advice
73
you can focus manually
MP count decent (15 megapixels)
decent sensor size (APS-C)
exports RAW files
71
has manual focus
large sensor size (Full frame)
includes face detection focus
exports RAW formats
low MP (12 megapixels)
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Street Comparison

Sigma DP1 Merrill Street photography information
Sony A7S III Street photography information
64
decent sensor size (APS-C)
exports RAW files
screen does not articulate
does not have image stabilization
76
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
exports RAW formats
includes focus by touch
weather proof
great ISO range (102,400)
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Sports Comparison

Sigma DP1 Merrill as a Sports photography camera
Sony A7S III as a Sports photography camera
48
MP count decent (15MP)
decent sensor size (APS-C)
can't change focal length (()mm)
does not have image stabilization
doesn't have phase detect autofocus
76
high shutter speed (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
includes tracking autofocus
weather proof
great battery power (600 per charge)
has phase detect auto focus
low MP (12 megapixels)
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Travel Comparison

Sigma DP1 Merrill as a Travel photography camera
Sony A7S III as a Travel photography camera
54
MP count decent (15MP)
missing Time Lapse function
doesn't posses selfie friendly screen
sluggish maximum aperture (f2.8)
70
great battery power (600 CIPA)
weather proof
has bluetooth
includes focus by touch
selfie friendly screen
low MP (12 megapixels)
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Landscape Comparison

Sigma DP1 Merrill Landscape photography factors
Sony A7S III Landscape photography factors
50
you can focus manually
MP count decent (15 megapixels)
decent sensor size (APS-C)
exports RAW files
cannot switch lenses (fixed lens mount)
can't change focal length (()mm)
sluggish maximum aperture (f2.8)
tiny screen (")
does not have image stabilization
missing Time Lapse function
77
has manual focus
swap lenses (Sony E mount)
pretty good screen size (3 inches)
has image stabilization (Sensor based 5-axis)
large sensor size (Full frame)
great ISO range (102,400)
exports RAW formats
weather proof
great battery power (600 per charge)
2 card slots
low MP (12MP)
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Vlogging Comparison

Sigma DP1 Merrill Vlogging features
Sony A7S III Vlogging features
22
sluggish maximum aperture (f2.8)
doesn't posses selfie friendly screen
does not have image stabilization
video quality not great (640 x 480 pxls)
missing mic socket
77
selfie friendly screen
touchscreen
has image stabilization (Sensor based 5-axis)
includes face detection focus
high res video (3840 x 2160 pxls)
has external microphone support
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Sigma DP1 Merrill vs Sony A7S III Specifications

Detailed spec comparison table for Sigma DP1 Merrill and Sony A7S III
 Sigma DP1 MerrillSony Alpha A7S III
General Information
Brand Name Sigma Sony
Model type Sigma DP1 Merrill Sony Alpha A7S III
Type Large Sensor Compact Pro Mirrorless
Revealed 2012-02-08 2020-07-21
Physical type Large Sensor Compact SLR-style mirrorless
Sensor Information
Powered by Dual TRUE II engine Bionz XR
Sensor type CMOS (Foveon X3) BSI-CMOS
Sensor size APS-C Full frame
Sensor measurements 24 x 16mm 35.6 x 23.8mm
Sensor area 384.0mm² 847.3mm²
Sensor resolution 15 megapixels 12 megapixels
Anti alias filter
Aspect ratio - 3:2 and 16:9
Full resolution 4704 x 3136 4240 x 2832
Max native ISO 6400 102400
Max boosted ISO - 409600
Lowest native ISO 100 80
RAW photos
Lowest boosted ISO - 50
Autofocusing
Manual focusing
Touch to focus
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points - 759
Lens
Lens mount type fixed lens Sony E
Lens zoom range () -
Highest aperture f/2.8 -
Number of lenses - 121
Crop factor 1.5 1
Screen
Screen type Fixed Type Fully articulated
Screen size - 3 inches
Screen resolution 920k dots 1,440k dots
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 9,440k dots
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.91x
Features
Lowest shutter speed - 30 secs
Highest shutter speed - 1/8000 secs
Continuous shooting rate - 10.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Built-in flash
Flash distance no built-in flash no built-in flash
Flash options no built-in flash no built-in flash
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 640 x 480 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 640x480 3840x2160
Video data format Motion JPEG MPEG-4, XAVC S, XAVC HS, XAVC S-1, H.264, H.265
Microphone support
Headphone support
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.2 Gen 1 (5 GBit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 330 gr (0.73 lbs) 699 gr (1.54 lbs)
Physical dimensions 122 x 67 x 64mm (4.8" x 2.6" x 2.5") 129 x 97 x 81mm (5.1" x 3.8" x 3.2")
DXO scores
DXO All around rating not tested 85
DXO Color Depth rating not tested 23.6
DXO Dynamic range rating not tested 13.3
DXO Low light rating not tested 2993
Other
Battery life - 600 photos
Battery style - Battery Pack
Battery ID - NP-FZ100
Self timer - Yes (2 or 10 sec; continuous (3 or 5 exposures))
Time lapse feature With downloadable app
Storage type - Dual SD/CFexpress Type A slots
Card slots Single Dual
Pricing at launch $1,250 $3,499