Panasonic Lumix DMC-GH4 vs Sigma DP2 Merrill

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Panasonic Lumix DMC-GH4
Sigma DP2 Merrill

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Reasons For

7 Reasons For
Image stabilizer Edit
The Panasonic Lumix DMC-GH4 has an image stabilizer, however the Sigma DP2 Merrill does not have an image stabilizer. Read more

Camera shake is a major cause of blurred images, especially with handheld photography or in low light situations where a slow shutter speed is required. Image stabiliser technology detects and corrects slight camera shakes.

Cameras with image stabiliser technology enable steady shooting at lower aperture, making them ideal for situations where the use of flash is not permitted or desired.

2.8 smaller maximum aperture number Edit
The Panasonic Lumix DMC-GH4 is a 5.6 maximum aperture digital camera, whereas the Sigma DP2 Merrill is only a 2.8 maximum aperture digital camera (2.8 bigger).
Higher display resolution (numeric) Edit
Panasonic Lumix DMC-GH4 is 1,037,000 pixels display resolution, but the Sigma DP2 Merrill is only a 920,000 pixels display resolution digital camera (117,000 pixels lower).
Built-in flash Edit
The Panasonic Lumix DMC-GH4 has a built-in flash, whereas the Sigma DP2 Merrill does not have a built-in flash. Read more

Cameras with a built in flash illuminate the subject in low light conditions. A flash can also be used to place more emphasis on the foreground or lighten dark shadows.

Cameras with a built in flash can take pictures in low light conditions. Since no external flash is required, cameras with a built in flash are smaller and easier to carry.

Sixteen more awards
The Panasonic Lumix DMC-GH4 has 18 awards, whereas the Sigma DP2 Merrill has 2 awards.
Expert reviews are appreciably better
Based on 81 expert reviews, the Panasonic Lumix DMC-GH4 has an average review score of 92%, however the Sigma DP2 Merrill has an average rating of 73% (based on 16 reviews).
User reviews are better
Based on 192 user reviews, the Panasonic Lumix DMC-GH4 has an average review score of 96%, however the Sigma DP2 Merrill has an average rating of 91% (based on 31 reviews).
4 Reasons For
66% higher megapixel Edit
The Sigma DP2 Merrill is a 46MP digital camera. That's 29.95MP higher than the Panasonic Lumix DMC-GH4 (46MP). Read more

The resolution of the images a digital camera produces is measured in megapixels (MP). One megapixel is equal to 1 million pixels and is a result of the pixel width multiplied by the pixel height of the image. While a higher image resolution generally results in sharper images, only a relatively low megapixel count is required when printing the image at a small size or to display it on a computer screen.

A sensor with more megapixels will be able to capture more detailed photos and the image will appear sharper. Images with more megapixels can also be printed at a larger size.

65% more total megapixels Edit
The Sigma DP2 Merrill is a 48MP digital camera. That's 30.8MP more than the Panasonic Lumix DMC-GH4 (48MP).
0.7 smaller minimum aperture number Edit
The Sigma DP2 Merrill has a minimum aperture number of 2.8, however the Panasonic Lumix DMC-GH4 is a 3.5 minimum aperture digital camera (0.7 larger).
A lot lighter Edit
The Sigma DP2 Merrill has a weight of 330g, but the Panasonic Lumix DMC-GH4 is a 480g digital camera (150g heavier). Read more

The camera's weight will depend on the type and size of camera. Compact cameras are usually the lightest while digital SLRs will be heavier. Also consider the number and weight of lenses to take when using a SLR.

The lower the camera weight, the easier it will be to carry around and it will also reduce your hand luggage weight when flying.

Reasons Against

4 Reasons Against
Lower megapixel Edit
The Panasonic Lumix DMC-GH4 has a megapixel of 16.05MP, whereas the Sigma DP2 Merrill is a 46MP digital camera (29.95MP higher). Read more

The resolution of the images a digital camera produces is measured in megapixels (MP). One megapixel is equal to 1 million pixels and is a result of the pixel width multiplied by the pixel height of the image. While a higher image resolution generally results in sharper images, only a relatively low megapixel count is required when printing the image at a small size or to display it on a computer screen.

A sensor with more megapixels will be able to capture more detailed photos and the image will appear sharper. Images with more megapixels can also be printed at a larger size.

2x less total megapixels Edit
The Panasonic Lumix DMC-GH4 has a total megapixels of 17.2MP, but the Sigma DP2 Merrill is a 48MP digital camera (30.8MP more).
21% larger minimum aperture number Edit
The Panasonic Lumix DMC-GH4 has a minimum aperture number of 3.5. That's 0.7 larger than the Sigma DP2 Merrill (2.8).
32% heavier Edit
The Panasonic Lumix DMC-GH4 is a 480g digital camera. That's 150g heavier than the Sigma DP2 Merrill (330g). Read more

The camera's weight will depend on the type and size of camera. Compact cameras are usually the lightest while digital SLRs will be heavier. Also consider the number and weight of lenses to take when using a SLR.

The lower the camera weight, the easier it will be to carry around and it will also reduce your hand luggage weight when flying.

9 Reasons Against
Does not have an image stabilizer Edit
The Sigma DP2 Merrill does not have an image stabilizer, but the Panasonic Lumix DMC-GH4 has an image stabilizer. Read more

Camera shake is a major cause of blurred images, especially with handheld photography or in low light situations where a slow shutter speed is required. Image stabiliser technology detects and corrects slight camera shakes.

Cameras with image stabiliser technology enable steady shooting at lower aperture, making them ideal for situations where the use of flash is not permitted or desired.

2.8 bigger maximum aperture number Edit
The Sigma DP2 Merrill is a 2.8 maximum aperture digital camera. That's 2.8 bigger than the Panasonic Lumix DMC-GH4 (2.8).
Lower display resolution (numeric) Edit
Sigma DP2 Merrill is only 920,000 pixels display resolution. That's 117,000 pixels lower than the Panasonic Lumix DMC-GH4 (920,000 pixels).
Does not have a built-in flash Edit
The Sigma DP2 Merrill does not have a built-in flash, however the Panasonic Lumix DMC-GH4 has a built-in flash. Read more

Cameras with a built in flash illuminate the subject in low light conditions. A flash can also be used to place more emphasis on the foreground or lighten dark shadows.

Cameras with a built in flash can take pictures in low light conditions. Since no external flash is required, cameras with a built in flash are smaller and easier to carry.

Not currently available
We couldn't find any retailers that are currently selling the product. Read more
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Older by over two years
The Sigma DP2 Merrill is three years older than the Panasonic Lumix DMC-GH4.
Sixteen less awards
The Sigma DP2 Merrill has only received 2 awards, whereas the Panasonic Lumix DMC-GH4 has received 18 awards.
Expert review Rating is much Worse
The Sigma DP2 Merrill's average expert score is only 73%, however the Panasonic Lumix DMC-GH4's is 92% (based on 81 reviews).
User review Rating is Worse
The Sigma DP2 Merrill's average user score is 91%, however the Panasonic Lumix DMC-GH4's is 96% (based on 192 reviews).

Awards

18 Awards
01net.com: 5 Star
altomdata.dk: Recommended
Camera Labs: Highly Recommended
Digital Versus: 5 Star
DP Review: Gold
Ephotozine: Editor's Choice
Expert Reviews: Ultimate
homecinemachoice.com: Best Buy
kamerabild.se: Top Class
Les Numeriques.com: 5 Star
ljudochbild.se: Especially Recommended
lydogbillede.dk: Especially Recommended 6 Star
M3.idg.se: Recommended
onfoto.ru: Gold
PhotographyBlog.com: Essential
photoreview.com.au: Editor's Choice
Pocket Lint: Editor's Choice
reviewed.com: Editor's Choice
2 Awards
PhotographyBlog.com: Recommended
photoreview.com.au: Editor's Choice

Average Expert Rating

Average User Rating

Date Released

25 months Ago 56 months Ago

Picture Quality

Camera Type
 MILC
 MILC
Megapixel
16.05MP 46MP
BEST
Image Stabilizer
 Image stabilizer
BEST
 Image stabilizer
Sensor Type
 CMOS
 CMOS
BEST
Still Image Resolution(s)
 4608 x 3456
 4608 x 3072
 3456 x 3456
 4608 x 2592
 3840 x 2160
 3264 x 2448
 3264 x 2176
 2448 x 2448
 1712 x 1712
 1824 x 1368
 1824 x 1216
 1920 x 1080
 1824 x 1024
BEST
 4608 x 3456
 4608 x 3072
 3456 x 3456
 4608 x 2592
 3840 x 2160
 3264 x 2448
 3264 x 2176
 2448 x 2448
 1712 x 1712
 1824 x 1368
 1824 x 1216
 1920 x 1080
 1824 x 1024
Maximum Image Resolution
 4608 x 3456
BEST
 4608 x 3456
Image Formats Supported
 RAW
 JPG
 MPO
BEST
 RAW
 JPG
 MPO
Image Sensor Size (W X H)
17.3 x 13 23.5 x 15.7
Total Megapixels
17.2MP 48MP
BEST
Image Stabilizer Location
 Lens
 Lens
Supported Aspect Ratios
 16:9
 4:3
 3:2
 1:1
 16:9
 4:3
 3:2
 1:1

Design

Colour of Product
 Black
 Black

Lens System

Digital Zoom
4x Unknown - Click to provide data
Maximum Aperture Number
5.6
BEST
2.8
Minimum Aperture Number
3.5 2.8
BEST
Maximum Focal Length (35mm Film Equiv)
280mm Unknown - Click to provide data
Minimum Focal Length (35mm Film Equiv)
28mm Unknown - Click to provide data
Focal Length Range (f-F)
14 - 140 Unknown - Click to provide data
Lens Structure (elements/groups)
14/12 8/6
Lens Mount Interface
 Four Thirds
 Micro Four Thirds
 Four Thirds
 Micro Four Thirds
Number of Aspheric Elements
3 Unknown - Click to provide data
Number of Diaphragm Blades
7 Unknown - Click to provide data
Filter Size
58mm Unknown - Click to provide data

Focusing

Auto Focusing (AF) Modes
 single
 tracking
 contrast detection
 Single Auto Focus
 Face detection
 Tracking Auto Focus
 Contrast Detection Auto Focus
 selective
 multi point
 Selective Auto Focus
 Multi Point Auto Focus
 single
 tracking
 contrast detection
 Single Auto Focus
 Face detection
 Tracking Auto Focus
 Contrast Detection Auto Focus
 selective
 multi point
 Selective Auto Focus
 Multi Point Auto Focus
Auto Focus (AF) Lock
 Auto Focus (AF) lock
 Auto Focus (AF) lock
Auto Focus (AF) Assist Beam
 Auto Focus (AF) assist beam
Unknown - Click to provide data
Closest Focusing Distance
0.3m Unknown - Click to provide data
Focus Adjustment
 Auto
 Manual
 Auto/Manual
 Auto
 Manual
 Auto/Manual
Focus
 TTL
 TTL

Light Exposure

Light Exposure Modes
 shutter priority
 aperture priority
 Auto
 Manual
 Shutter priority AE
 Aperture priority AE
 shutter priority
 aperture priority
 Auto
 Manual
 Shutter priority AE
 Aperture priority AE
ISO Sensitivity
 64
 80
 100
 160
 200
 320
 400
 640
 800
 1600
 3200
 6400
 12800
 25600
 25
BEST
 64
 80
 100
 160
 200
 320
 400
 640
 800
 1600
 3200
 6400
 12800
 25600
 25
ISO Sensitivity (max)
25,600 Unknown - Click to provide data
ISO Sensitivity (min)
100 Unknown - Click to provide data
Auto Exposure (AE) Lock
 Auto Exposure (AE) lock
 Auto Exposure (AE) lock
Light Metering
 Evaluative (Multi-pattern)
 Centre-weighted
 Spot
 Evaluative (Multi-pattern)
 Centre-weighted
 Spot
Light Exposure Correction
 ± 5EV (1/3EV step)
BEST
 ± 5EV (1/3EV step)
Light Exposure Control
 Program AE
 Program AE

Shutter

Slowest Camera Shutter Speed
60s Unknown - Click to provide data
Fastest Camera Shutter Speed
1s Unknown - Click to provide data
Camera Shutter Type
 Mechanical
 Mechanical

Flash

Flash Modes
 Auto
 Auto
Flash Sync-Speed
1s Unknown - Click to provide data
Flash Exposure Compensation
 Flash exposure compensation
Unknown - Click to provide data
Flash Exposure Correction
 ±3EV (1/2, 1/3, 1 EV step)
BEST
 ±3EV (1/2, 1/3, 1 EV step)
Shoe Mounting Point
 Shoe mounting point
Unknown - Click to provide data
Shoe Mounting Point Type
 Hot
 Hot

Video

Full HD Video
Unknown - Click to provide data
 Full HD video
Maximum Video Resolution
 3840 x 2160
BEST
 3840 x 2160
Motion JPEG Frame Rate
Unknown - Click to provide data 30fps
Video Formats Supported
 MP4
 MOV
BEST
 MP4
 MOV
Video Resolutions
 3840 x 2160
 1920 x 1080
 1280 x 720
BEST
 3840 x 2160
 1920 x 1080
 1280 x 720
Resolution At Capture Speed
 3840x2160@24fps
 3840x2160@30fps
 4096x2160@24fps
 1920x1080@60fps
 1920x1080@50fps
 1920x1080@30fps
 1920x1080@25fps
BEST
 3840x2160@24fps
 3840x2160@30fps
 4096x2160@24fps
 1920x1080@60fps
 1920x1080@50fps
 1920x1080@30fps
 1920x1080@25fps
Video Recording
 Video recording
 Video recording
HD Type
 4K Ultra HD
 4K Ultra HD

Audio

Built-In Microphone
 Built-in microphone
 Built-in microphone
Audio Formats Supported
 LPCM
 PCM
BEST
 LPCM
 PCM
Voice Recording
 Voice recording
Unknown - Click to provide data

Memory

Compatible Memory Cards
 SDXC
 SDHC
 SD
BEST
 SDXC
 SDHC
 SD
Memory Slots
1 Unknown - Click to provide data

Display

Display Diagonal
3" 3"
Display
 OLED
BEST
 OLED
Vari-Angle LCD Display
 Vari-angle LCD display
Unknown - Click to provide data
Field of View
100% Unknown - Click to provide data
Touchscreen
 Touchscreen
Unknown - Click to provide data
Display Resolution (numeric)
1,037,000 pixels
BEST
920,000 pixels

Viewfinder

Viewfinder Screen Size
0.5" Unknown - Click to provide data
Magnification
0.25x Unknown - Click to provide data
Viewfinder Type
 electrical
BEST
 electrical

Ports & Interfaces

PictBridge
 PictBridge
Unknown - Click to provide data
HDMI
 HDMI
Unknown - Click to provide data
Microphone in
 Microphone in
Unknown - Click to provide data
HDMI Connector Type
 Micro
 Micro
USB Version
 2.0
BEST
 2.0
Headphone Outputs
 Headphone outputs
Unknown - Click to provide data

Camera

GPS (satellite)
 GPS (satellite)
Unknown - Click to provide data
White Balance
 Auto
 Daylight
 Shade
 Halogen
 Fluorescent
 Incandescent
 Flash
 Custom modes
 Auto
 Daylight
 Shade
 Halogen
 Fluorescent
 Incandescent
 Flash
 Custom modes
Photo Effects
 Neutral
 Vivid
 Black&White
 Sepia
 Neutral
 Vivid
 Black&White
 Sepia
Self-Timer Delay
2,3,10 2,10
Histogram
 Histogram
Unknown - Click to provide data
Playback Zoom (max)
4x Unknown - Click to provide data
Dioptre Correction
 Dioptre correction
Unknown - Click to provide data
Anti-Dust Function
 Anti-dust function
Unknown - Click to provide data
Image Editing
 Resizing
 Rotating
 Crop
 Resizing
 Rotating
 Crop
Camera File System
 Exif 2.3
 RAW
 DCF
 Exif
BEST
 Exif 2.3
 RAW
 DCF
 Exif
Live View
 Live view
Unknown - Click to provide data
Tripod Mountable
 Tripod mountable
 Tripod mountable
Camera Playback
 Highlights
 Movie
 Single image
 Slide show
 Thumbnails
 Highlights
 Movie
 Single image
 Slide show
 Thumbnails
Contrast Adjustment
 Contrast adjustment
 Contrast adjustment
Direct Printing
 Direct printing
Unknown - Click to provide data
Built-In Processor
Venus Engine Unknown - Click to provide data
Diopter Adjustment (D-D)
-4 - 4 Unknown - Click to provide data
Eye Relief
21mm Unknown - Click to provide data
Scene Modes
 Portrait
 Landscape
 Portrait
 Landscape
On Screen Display (OSD) Languages
 DAN
 DUT
 GRE
 CZE
 ENG
 FIN
 FRE
 DEU
 ITA
 JPN
 POL
 POR
 ESP
 SWE
 TUR
 HUN
 RUS
 CHI (TR)
 CHI (SIMPL)
 DAN
 DUT
 GRE
 CZE
 ENG
 FIN
 FRE
 DEU
 ITA
 JPN
 POL
 POR
 ESP
 SWE
 TUR
 HUN
 RUS
 CHI (TR)
 CHI (SIMPL)

Weight & Dimensions

Weight
480g 330g
BEST
Height
93.4mm 66.7mm
Depth
83.9mm 59.2mm
Width
132.9mm 121.5mm
Lens Weight
265g Unknown - Click to provide data
Lens Length
75mm Unknown - Click to provide data
Lens Diameter
67mm Unknown - Click to provide data
Weight (including Battery)
560g Unknown - Click to provide data

Battery

Power Source Type
 Battery
 Battery
Battery Technology
 Lithium-Ion (Li-Ion)
 Lithium-Ion (Li-Ion)
Number of Batteries Supported
1 Unknown - Click to provide data
Battery Type
Unknown - Click to provide data BP-41
Battery Capacity
1,860mAh Unknown - Click to provide data
Battery Life (CIPA Standard)
500 shots Unknown - Click to provide data
Battery Voltage
7.2V Unknown - Click to provide data

Operational Conditions

Operating Relative Humidity (H-H)
10 - 80 Unknown - Click to provide data
Storage Temperature (T-T)
Unknown - Click to provide data 4704 x 3136
Operating Temperature (T-T)
0 - 40 Unknown - Click to provide data

System Requirements

Mac Operating Systems Supported
 Mac operating systems supported
Unknown - Click to provide data
Windows Operating Systems Supported
 Windows operating systems supported
Unknown - Click to provide data

Packaging Content

Bundled Software
PHOTOfunSTUDIO 9.5 PE (Windows XP / Vista / 7 / 8)/SILKYPIX Developer Studio 4.1 SE (Windows XP / Vista / 7 / 8, Mac OS X v10.5 / v10.6 / v10.7 / v10.8)/LoiLoScope (trial) (Windows XP / Vista / 7 / 8) Unknown - Click to provide data
AC Adapter Included
 AC adapter included
Unknown - Click to provide data
Cables Included
 USB
 USB
Batteries Included
 Batteries included
 Batteries included
Battery Charger Included
 Battery charger included
 Battery charger included
Hand Strap
 Hand strap
Unknown - Click to provide data
Wrist Strap Included
 Wrist strap included
Unknown - Click to provide data

Networking

Wi-Fi
 Wi-Fi
Unknown - Click to provide data
Near Field Communication (NFC)
 Near Field Communication (NFC)
Unknown - Click to provide data
Data Network
 Not supported
 Not supported

Other Features

Video Capability
 Video capability
 Video capability
Built-In Flash
 Built-in flash
BEST
 Built-in flash
USB 2.0 Ports Quantity
Unknown - Click to provide data
 USB 2.0 ports quantity
On/off Switch
Unknown - Click to provide data
 On/off switch
Frame
Unknown - Click to provide data
 Frame

Technical Details

Built-In Speaker(s)
 Built-in speaker(s)
Unknown - Click to provide data
Self-Timer
 Self-timer
Unknown - Click to provide data
Feedback