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Sigma DP1 Merrill vs Sony A7R IV

Portability
82
Imaging
55
Features
30
Overall
45
Sigma DP1 Merrill front
 
Sony Alpha A7R IV front
Portability
62
Imaging
79
Features
93
Overall
84

Sigma DP1 Merrill vs Sony A7R IV Key Specs

Sigma DP1 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • " Fixed Display
  • ISO 100 - 6400
  • 640 x 480 video
  • ()mm (F2.8) lens
  • 330g - 122 x 67 x 64mm
  • Revealed February 2012
  • Newer Model is Sigma DP2 Merrill
Sony A7R IV
(Full Review)
  • 61MP - Full frame Sensor
  • 3" Tilting Screen
  • ISO 100 - 32000 (Increase to 102800)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 3840 x 2160 video
  • Sony E Mount
  • 665g - 129 x 96 x 78mm
  • Released July 2019
  • Earlier Model is Sony A7R III
  • Later Model is Sony A7R V
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Sigma DP1 Merrill vs Sony A7R IV Overview

Here, we will be contrasting the Sigma DP1 Merrill and Sony A7R IV, one being a Large Sensor Compact and the latter is a Pro Mirrorless by competitors Sigma and Sony. There is a sizeable difference between the sensor resolutions of the DP1 Merrill (15MP) and A7R IV (61MP) and the DP1 Merrill (APS-C) and A7R IV (Full frame) posses different sensor sizes.

Photography Glossary

The DP1 Merrill was revealed 8 years earlier than the A7R IV and that is quite a large gap as far as tech is concerned. Both of the cameras feature different body design with the Sigma DP1 Merrill being a Large Sensor Compact camera and the Sony A7R IV being a SLR-style mirrorless camera.

Before delving right into a in depth comparison, here is a quick synopsis of how the DP1 Merrill grades against the A7R IV when considering portability, imaging, features and an overall grade.

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Reasons to pick Sigma DP1 Merrill over the Sony A7R IV

 DP1 Merrill A7R IV 

Reasons to pick Sony A7R IV over the Sigma DP1 Merrill

 A7R IV DP1 Merrill 
ReleasedJuly 2019February 2012More recent by 90 months
Screen typeTiltingFixed Tilting screen
Screen size3""Bigger screen (+3")
Screen resolution1440k920kCrisper screen (+520k dot)
Touch screen Quickly navigate

Common features in the Sigma DP1 Merrill and Sony A7R IV

 DP1 Merrill A7R IV 
Manual focus More exact focus
Selfie screen Missing selfie screen

Sigma DP1 Merrill vs Sony A7R IV Physical Comparison

For anybody who is aiming to lug around your camera often, you are going to need to factor its weight and proportions. The Sigma DP1 Merrill has outside dimensions of 122mm x 67mm x 64mm (4.8" x 2.6" x 2.5") accompanied by a weight of 330 grams (0.73 lbs) whilst the Sony A7R IV has measurements of 129mm x 96mm x 78mm (5.1" x 3.8" x 3.1") with a weight of 665 grams (1.47 lbs).

Contrast the Sigma DP1 Merrill and Sony A7R IV in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will vary depending on the lens you use at the time. Underneath is a front view size comparison of the DP1 Merrill and the A7R IV.

Sigma DP1 Merrill vs Sony A7R IV size comparison

Taking into account size and weight, the portability grade of the DP1 Merrill and A7R IV is 82 and 62 respectively.

Sigma DP1 Merrill vs Sony A7R IV top view buttons comparison

Sigma DP1 Merrill vs Sony A7R IV Sensor Comparison

Often, it's tough to imagine the contrast between sensor measurements merely by reading through technical specs. The photograph here will help offer you a stronger sense of the sensor sizes in the DP1 Merrill and A7R IV.

As you have seen, both of the cameras feature different resolutions and different sensor measurements. The DP1 Merrill having a tinier sensor is going to make shooting bokeh more difficult and the Sony A7R IV will give more detail because of its extra 46MP. Higher resolution will also enable you to crop pictures way more aggressively. The older DP1 Merrill is going to be behind in sensor innovation.

Sigma DP1 Merrill vs Sony A7R IV sensor size comparison

Sigma DP1 Merrill vs Sony A7R IV Screen and ViewFinder

Sigma DP1 Merrill vs Sony A7R IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Sigma DP1 Merrill as a Portrait photography camera
Sony A7R IV as a Portrait photography camera
73
has manual focus
decent megapixels (15 megapixels)
sensor size is nice (APS-C)
saves RAW files
87
manual focus
amazing megapixels (61MP)
great sensor size (Full frame)
supports face detect focus
exports RAW files
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Street Comparison

Sigma DP1 Merrill Street photography advice
Sony A7R IV Street photography advice
64
sensor size is nice (APS-C)
saves RAW files
no moving screen
no image stabilization
79
screen tilts up and down
built in image stabilization (Sensor based 5-axis)
great sensor size (Full frame)
exports RAW files
features touch to focus
environment proof
above average ISO range (32,000)
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Sports Comparison

Sigma DP1 Merrill Sports photography info
Sony A7R IV Sports photography info
47
decent megapixels (15MP)
sensor size is nice (APS-C)
can't change focal length (()mm)
no image stabilization
lack of phase detect autofocus
89
great max shutter speed (1/8,000 seconds)
built in image stabilization (Sensor based 5-axis)
amazing megapixels (61MP)
great sensor size (Full frame)
supports tracking focus
environment proof
better than average battery power (670 per charge)
supports phase detect auto focus
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Travel Comparison

Travel photography with Sigma DP1 Merrill
Travel photography with Sony A7R IV
53
decent megapixels (15 megapixels)
no Timelapse mode
screen isn't selfie friendly
somewhat slow max aperture (f2.8)
73
better than average battery power (670 per charge)
environment proof
has bluetooth
features touch to focus
amazing megapixels (61 megapixels)
doesn't posses selfie friendly display
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Landscape Comparison

Sigma DP1 Merrill as a Landscape photography camera
Sony A7R IV as a Landscape photography camera
50
has manual focus
decent megapixels (15 megapixels)
sensor size is nice (APS-C)
saves RAW files
cannot change lenses (fixed lens mount)
can't change focal length (()mm)
somewhat slow max aperture (f2.8)
screen is somewhat small ( inches)
no image stabilization
no Timelapse mode
87
manual focus
switch lenses (Sony E mount)
screen size is good (3 inch)
built in image stabilization (Sensor based 5-axis)
amazing megapixels (61 megapixels)
great sensor size (Full frame)
does not have anti-alias filter
above average ISO range (32,000)
exports RAW files
environment proof
better than average battery power (670 per charge)
two card slots
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Vlogging Comparison

Sigma DP1 Merrill Vlogging highlights
Sony A7R IV Vlogging highlights
21
somewhat slow max aperture (f2.8)
screen isn't selfie friendly
no image stabilization
video resolution low (640 x 480 pxls)
no external microphone jack
36
screen is touchscreen
built in image stabilization (Sensor based 5-axis)
supports face detect focus
high res video (3840 x 2160 pixels)
comes with microphone socket
doesn't posses selfie friendly display
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Sigma DP1 Merrill vs Sony A7R IV Specifications

Detailed spec comparison table for Sigma DP1 Merrill and Sony A7R IV
 Sigma DP1 MerrillSony Alpha A7R IV
General Information
Company Sigma Sony
Model Sigma DP1 Merrill Sony Alpha A7R IV
Class Large Sensor Compact Pro Mirrorless
Revealed 2012-02-08 2019-07-16
Physical type Large Sensor Compact SLR-style mirrorless
Sensor Information
Processor Chip Dual TRUE II engine Bionz X
Sensor type CMOS (Foveon X3) BSI-CMOS
Sensor size APS-C Full frame
Sensor measurements 24 x 16mm 35.8 x 23.8mm
Sensor area 384.0mm² 852.0mm²
Sensor resolution 15 megapixel 61 megapixel
Anti aliasing filter
Aspect ratio - 1:1, 4:3, 3:2 and 16:9
Full resolution 4704 x 3136 9504 x 6336
Max native ISO 6400 32000
Max boosted ISO - 102800
Lowest native ISO 100 100
RAW format
Lowest boosted ISO - 50
Autofocusing
Manual focus
Touch to focus
Continuous AF
Single AF
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points - 567
Lens
Lens mount fixed lens Sony E
Lens focal range () -
Highest aperture f/2.8 -
Total lenses - 121
Focal length multiplier 1.5 1
Screen
Type of display Fixed Type Tilting
Display size - 3 inches
Display resolution 920 thousand dots 1,440 thousand dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type None Electronic
Viewfinder resolution - 5,760 thousand dots
Viewfinder coverage - 100%
Viewfinder magnification - 0.78x
Features
Lowest shutter speed - 30 seconds
Highest shutter speed - 1/8000 seconds
Continuous shooting rate - 10.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range no built-in flash no built-in flash
Flash settings no built-in flash Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync.
External flash
AE bracketing
White balance bracketing
Highest flash synchronize - 1/250 seconds
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 640 x 480 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM
Max video resolution 640x480 3840x2160
Video format Motion JPEG MPEG-4, XAVC S, H.264
Microphone port
Headphone port
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.1 Gen 1(5 GBit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 330 grams (0.73 lbs) 665 grams (1.47 lbs)
Physical dimensions 122 x 67 x 64mm (4.8" x 2.6" x 2.5") 129 x 96 x 78mm (5.1" x 3.8" x 3.1")
DXO scores
DXO All around score not tested 99
DXO Color Depth score not tested 26.0
DXO Dynamic range score not tested 14.8
DXO Low light score not tested 3344
Other
Battery life - 670 shots
Form of battery - Battery Pack
Battery model - NP-FZ100
Self timer - Yes
Time lapse recording
Storage type - Dual SD/SDHC/SDXC (UHS-II compatible)
Card slots Single 2
Retail cost $1,250 $3,498