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Pentax Q7 vs Sigma DP1 Merrill

Portability
92
Imaging
37
Features
54
Overall
43
Pentax Q7 front
 
Sigma DP1 Merrill front
Portability
82
Imaging
55
Features
30
Overall
45

Pentax Q7 vs Sigma DP1 Merrill Key Specs

Pentax Q7
(Full Review)
  • 12MP - 1/1.7" Sensor
  • 3" Fixed Screen
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Pentax Q Mount
  • 200g - 102 x 58 x 34mm
  • Announced August 2013
  • Replaced the Pentax Q10
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
  • Released February 2012
  • Newer Model is Sigma DP2 Merrill
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Pentax Q7 vs Sigma DP1 Merrill Overview

Lets look more closely at the Pentax Q7 vs Sigma DP1 Merrill, one is a Entry-Level Mirrorless and the latter is a Large Sensor Compact by manufacturers Pentax and Sigma. The sensor resolution of the Q7 (12MP) and the DP1 Merrill (15MP) is relatively similar but the Q7 (1/1.7") and DP1 Merrill (APS-C) boast totally different sensor sizes.

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The Q7 was introduced 19 months after the DP1 Merrill which makes them a generation away from each other. Both of these cameras have different body design with the Pentax Q7 being a Rangefinder-style mirrorless camera and the Sigma DP1 Merrill being a Large Sensor Compact camera.

Before delving into a in depth comparison, here is a concise overview of how the Q7 grades against the DP1 Merrill when it comes to portability, imaging, features and an overall score.

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Reasons to pick Pentax Q7 over the Sigma DP1 Merrill

 Q7 DP1 Merrill 
ReleasedAugust 2013February 2012More modern by 19 months
Screen dimensions3""Bigger screen (+3")

Reasons to pick Sigma DP1 Merrill over the Pentax Q7

 DP1 Merrill Q7 
Screen resolution920k460kClearer screen (+460k dot)

Common features in the Pentax Q7 and Sigma DP1 Merrill

 Q7 DP1 Merrill 
Manually focus More precise focus
Screen typeFixed Fixed Fixed screen
Selfie screen Lack of selfie screen
Touch screen Lack of Touch screen

Pentax Q7 vs Sigma DP1 Merrill Physical Comparison

For anybody who is intending to carry around your camera, you need to think about its weight and dimensions. The Pentax Q7 offers outer dimensions of 102mm x 58mm x 34mm (4.0" x 2.3" x 1.3") having a weight of 200 grams (0.44 lbs) whilst the Sigma DP1 Merrill has dimensions of 122mm x 67mm x 64mm (4.8" x 2.6" x 2.5") having a weight of 330 grams (0.73 lbs).

See the Pentax Q7 vs Sigma DP1 Merrill in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will change dependant on the lens you use at that moment. Here is a front view physical size comparison of the Q7 vs the DP1 Merrill.

Pentax Q7 vs Sigma DP1 Merrill size comparison

Taking into account size and weight, the portability grade of the Q7 and DP1 Merrill is 92 and 82 respectively.

Pentax Q7 vs Sigma DP1 Merrill top view buttons comparison

Pentax Q7 vs Sigma DP1 Merrill Sensor Comparison

Oftentimes, it's tough to envision the contrast between sensor sizes purely by going over specifications. The image below will help provide you a greater sense of the sensor dimensions in the Q7 and DP1 Merrill.

To sum up, the two cameras have different megapixels and different sensor sizes. The Q7 having a tinier sensor will make getting shallower DOF harder and the Sigma DP1 Merrill will offer more detail using its extra 3MP. Higher resolution can also help you crop pictures a bit more aggressively. The more recent Q7 will have a benefit with regard to sensor innovation.

Pentax Q7 vs Sigma DP1 Merrill sensor size comparison

Pentax Q7 vs Sigma DP1 Merrill Screen and ViewFinder

Pentax Q7 vs Sigma DP1 Merrill Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax Q7 Portrait photography details
Sigma DP1 Merrill Portrait photography details
48
manual focus
great flash sync speed (1/2,000 seconds)
offers face detection focus
supports RAW formats
sensor resolution low (12 megapixels)
sensor size is tiny (1/1.7")
73
focusing manually
sensor resolution is decent (15MP)
good sensor size (APS-C)
delivers RAW formats
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Street Comparison

Pentax Q7 Street photography advice
Sigma DP1 Merrill Street photography advice
69
built in image stabilization (Sensor based)
supports RAW formats
lighter than average in class (200g)
no moving screen
sensor size is tiny (1/1.7")
64
good sensor size (APS-C)
delivers RAW formats
fixed screen
does not have image stabilization
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Sports Comparison

Pentax Q7 Sports photography features
Sigma DP1 Merrill Sports photography features
32
built in image stabilization (Sensor based)
offers tracking autofocus
max fps low (5.0 frames/s)
sensor resolution low (12 megapixels)
sensor size is tiny (1/1.7")
terrible battery pack (250 CIPA)
lacks phase detect auto focus
47
sensor resolution is decent (15 megapixels)
good sensor size (APS-C)
focal length is fixed (()mm)
does not have image stabilization
has no phase detect auto focus
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Travel Comparison

Pentax Q7 Travel photography advice
Sigma DP1 Merrill Travel photography advice
60
lighter than average in class (200 grams)
flash built-in
terrible battery pack (250 per charge)
sensor resolution low (12MP)
display is not selfie friendly
53
sensor resolution is decent (15 megapixels)
missing Time Lapse mode
screen is not selfie friendly
sluggish maximum aperture (f2.8)
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Landscape Comparison

Landscape photography with Pentax Q7
Landscape photography with Sigma DP1 Merrill
55
manual focus
switch lenses (Pentax Q mount)
screen size is good (3 inch)
built in image stabilization (Sensor based)
supports RAW formats
sensor resolution low (12 megapixels)
sensor size is tiny (1/1.7")
terrible battery pack (250 CIPA)
50
focusing manually
sensor resolution is decent (15 megapixels)
good sensor size (APS-C)
delivers RAW formats
fixed lens (fixed lens mount)
focal length is fixed (()mm)
sluggish maximum aperture (f2.8)
small screen (")
does not have image stabilization
missing Time Lapse mode
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Vlogging Comparison

Pentax Q7 Vlogging features
Sigma DP1 Merrill Vlogging features
35
built in image stabilization (Sensor based)
offers face detection focus
great video quality (1920 x 1080 pixels)
lighter than average in class (200g)
display is not selfie friendly
does not have external mic port
21
sluggish maximum aperture (f2.8)
screen is not selfie friendly
does not have image stabilization
low video resolution (640 x 480 pxls)
missing mic support
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Pentax Q7 vs Sigma DP1 Merrill Specifications

Detailed spec comparison table for Pentax Q7 and Sigma DP1 Merrill
 Pentax Q7Sigma DP1 Merrill
General Information
Brand Pentax Sigma
Model type Pentax Q7 Sigma DP1 Merrill
Category Entry-Level Mirrorless Large Sensor Compact
Announced 2013-08-08 2012-02-08
Physical type Rangefinder-style mirrorless Large Sensor Compact
Sensor Information
Processor - Dual TRUE II engine
Sensor type BSI-CMOS CMOS (Foveon X3)
Sensor size 1/1.7" APS-C
Sensor dimensions 7.44 x 5.58mm 24 x 16mm
Sensor surface area 41.5mm² 384.0mm²
Sensor resolution 12MP 15MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 -
Highest Possible resolution 4000 x 3000 4704 x 3136
Maximum native ISO 12800 6400
Lowest native ISO 100 100
RAW files
Autofocusing
Manual focusing
AF touch
AF continuous
Single AF
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Cross type focus points - -
Lens
Lens mount type Pentax Q fixed lens
Lens zoom range - ()
Largest aperture - f/2.8
Available lenses 8 -
Focal length multiplier 4.8 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 3 inches -
Screen resolution 460k dots 920k dots
Selfie friendly
Liveview
Touch functionality
Screen technology TFT color LCD monitor, wide angle viewing, AR coating -
Viewfinder Information
Viewfinder Optical (optional) None
Features
Minimum shutter speed 30s -
Fastest shutter speed 1/2000s -
Continuous shutter rate 5.0fps -
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change WB
Image stabilization
Inbuilt flash
Flash distance 4.90 m (ISO100/m) no built-in flash
Flash options P-TTL, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync no built-in flash
External flash
Auto exposure bracketing
WB bracketing
Fastest flash synchronize 1/2000s -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions FullHD(1920x1080, 30fps/25fps/24fps), HD(1280x720,16:9,30fps/25fps/24fps), VGA(640x480,4:3,30fps/25fps/24fps) 640 x 480
Maximum video resolution 1920x1080 640x480
Video data format MPEG-4, H.264 Motion JPEG
Mic support
Headphone support
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 200g (0.44 lb) 330g (0.73 lb)
Physical dimensions 102 x 58 x 34mm (4.0" x 2.3" x 1.3") 122 x 67 x 64mm (4.8" x 2.6" x 2.5")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life 250 shots -
Battery style Battery Pack -
Battery ID D-LI68 -
Self timer Yes (12 sec, 2 sec) -
Time lapse recording
Storage type SD, SDHC, SDXC and Eye-Fi Card -
Card slots 1 1
Launch pricing $480 $1,250