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Casio EX-Z90 vs Sigma DP2 Merrill

Portability
96
Imaging
35
Features
17
Overall
27
Casio Exilim EX-Z90 front
 
Sigma DP2 Merrill front
Portability
83
Imaging
56
Features
33
Overall
46

Casio EX-Z90 vs Sigma DP2 Merrill Key Specs

Casio EX-Z90
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 64 - 1600
  • 1280 x 720 video
  • 35-105mm (F3.1-5.9) lens
  • 121g - 90 x 52 x 19mm
  • Released August 2009
Sigma DP2 Merrill
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • 640 x 480 video
  • 50mm (F2.8) lens
  • 330g - 122 x 67 x 59mm
  • Revealed February 2012
  • Earlier Model is Sigma DP1 Merrill
  • Newer Model is Sigma DP3 Merrill
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Casio EX-Z90 vs Sigma DP2 Merrill Overview

Its time to take a deeper look at the Casio EX-Z90 and Sigma DP2 Merrill, one being a Small Sensor Compact and the latter is a Large Sensor Compact by rivals Casio and Sigma. The image resolution of the EX-Z90 (12MP) and the DP2 Merrill (15MP) is pretty comparable but the EX-Z90 (1/2.3") and DP2 Merrill (APS-C) enjoy totally different sensor measurements.

Photography Glossary

The EX-Z90 was introduced 3 years prior to the DP2 Merrill and that is a fairly serious gap as far as camera technology is concerned. Both cameras come with different body type with the Casio EX-Z90 being a Compact camera and the Sigma DP2 Merrill being a Large Sensor Compact camera.

Before going straight into a detailed comparison, below is a brief view of how the EX-Z90 grades against the DP2 Merrill for portability, imaging, features and an overall grade.

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Reasons to pick Casio EX-Z90 over the Sigma DP2 Merrill

 EX-Z90 DP2 Merrill 

Reasons to pick Sigma DP2 Merrill over the Casio EX-Z90

 DP2 Merrill EX-Z90 
RevealedFebruary 2012August 2009More recent by 30 months
Screen dimension3"2.7"Bigger screen (+0.3")
Screen resolution920k230kSharper screen (+690k dot)

Common features in the Casio EX-Z90 and Sigma DP2 Merrill

 EX-Z90 DP2 Merrill 
Manual focus Dial exact focus
Screen typeFixed Fixed Fixed screen
Selfie screen Lacking selfie screen
Touch friendly screen Lacking Touch friendly screen

Casio EX-Z90 vs Sigma DP2 Merrill Physical Comparison

For those who are aiming to lug around your camera regularly, you should consider its weight and dimensions. The Casio EX-Z90 offers external dimensions of 90mm x 52mm x 19mm (3.5" x 2.0" x 0.7") with a weight of 121 grams (0.27 lbs) while the Sigma DP2 Merrill has dimensions of 122mm x 67mm x 59mm (4.8" x 2.6" x 2.3") along with a weight of 330 grams (0.73 lbs).

Check the Casio EX-Z90 and Sigma DP2 Merrill in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will vary depending on the lens you are utilising at the time. The following is the front view measurement comparison of the EX-Z90 compared to the DP2 Merrill.

Casio EX-Z90 vs Sigma DP2 Merrill size comparison

Factoring in dimensions and weight, the portability grade of the EX-Z90 and DP2 Merrill is 96 and 83 respectively.

Casio EX-Z90 vs Sigma DP2 Merrill top view buttons comparison

Casio EX-Z90 vs Sigma DP2 Merrill Sensor Comparison

Quite often, it can be hard to visualise the contrast in sensor measurements purely by checking out specs. The photograph here might offer you a far better sense of the sensor dimensions in the EX-Z90 and DP2 Merrill.

As you can plainly see, each of these cameras have got different megapixels and different sensor measurements. The EX-Z90 using its smaller sensor will make getting shallow depth of field more difficult and the Sigma DP2 Merrill will show more detail using its extra 3 Megapixels. Higher resolution will also enable you to crop photographs much more aggressively. The older EX-Z90 will be behind in sensor tech.

Casio EX-Z90 vs Sigma DP2 Merrill sensor size comparison

Casio EX-Z90 vs Sigma DP2 Merrill Screen and ViewFinder

Casio EX-Z90 vs Sigma DP2 Merrill Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Casio EX-Z90 Portrait photography info
Sigma DP2 Merrill Portrait photography info
27
you can focus manually
manual exposure not possible
no external flash support
low megapixels (12 megapixels)
small sensor size (1/2.3")
doesn't have RAW files
73
focusing manually
decent MP (15MP)
good sensor size (APS-C)
delivers RAW formats
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Street Comparison

Casio EX-Z90 Street photography features
Sigma DP2 Merrill Street photography features
55
lighter than competitors (121 grams)
screen does not articulate
lack of image stabilization
small sensor size (1/2.3")
doesn't have RAW files
65
good sensor size (APS-C)
delivers RAW formats
no moving screen
no image stabilization
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Sports Comparison

Casio EX-Z90 Sports photography advice
Sigma DP2 Merrill Sports photography advice
17
no shutter priority
lack of image stabilization
low megapixels (12MP)
small sensor size (1/2.3")
doesn't have phase detect AF
44
decent MP (15 megapixels)
good sensor size (APS-C)
can't change focal length (50mm)
max fps very slow (4.0 frames/s)
no image stabilization
no phase detect auto focus
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Travel Comparison

Casio EX-Z90 Travel photography advice
Sigma DP2 Merrill Travel photography advice
56
lighter than competitors (121 grams)
flash built-in
lack of Time Lapse function
low megapixels (12MP)
does not feature selfie friendly screen
wide angle not the best (35mm)
slow max aperture (f3.1)
54
decent MP (15MP)
doesn't have Time Lapse function
does not contain selfie friendly screen
slow maximum aperture (f2.8)
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Landscape Comparison

Casio EX-Z90 Landscape photography info
Sigma DP2 Merrill Landscape photography info
28
you can focus manually
can't swap lenses (fixed lens mount)
wide angle not the best (35mm)
slow max aperture (f3.1)
small screen (2.7 inches)
manual exposure not possible
lack of image stabilization
low megapixels (12 megapixels)
small sensor size (1/2.3")
doesn't have RAW files
lack of Time Lapse function
55
focusing manually
screen size is good (3 inches)
decent MP (15MP)
good sensor size (APS-C)
delivers RAW formats
lens is fixed (fixed lens mount)
can't change focal length (50mm)
slow maximum aperture (f2.8)
no image stabilization
doesn't have Time Lapse function
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Vlogging Comparison

Casio EX-Z90 as a Vlogging camera
Sigma DP2 Merrill as a Vlogging camera
25
lighter than competitors (121g)
wide angle not the best (35mm)
slow max aperture (f3.1)
does not feature selfie friendly screen
lack of image stabilization
video resolution low (1280 x 720 resolution)
lack of mic jack
22
slow maximum aperture (f2.8)
does not contain selfie friendly screen
no image stabilization
video res low (640 x 480 pxls)
doesn't have external mic port
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Casio EX-Z90 vs Sigma DP2 Merrill Specifications

Detailed spec comparison table for Casio EX-Z90 and Sigma DP2 Merrill
 Casio Exilim EX-Z90Sigma DP2 Merrill
General Information
Make Casio Sigma
Model type Casio Exilim EX-Z90 Sigma DP2 Merrill
Category Small Sensor Compact Large Sensor Compact
Released 2009-08-18 2012-02-08
Body design Compact Large Sensor Compact
Sensor Information
Powered by Digic 4 Dual TRUE II engine
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/2.3" APS-C
Sensor dimensions 6.17 x 4.55mm 24 x 16mm
Sensor area 28.1mm² 384.0mm²
Sensor resolution 12 megapixels 15 megapixels
Anti alias filter
Aspect ratio 4:3, 3:2 and 16:9 -
Max resolution 4000 x 3000 4704 x 3136
Max native ISO 1600 6400
Minimum native ISO 64 100
RAW support
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Lens
Lens support fixed lens fixed lens
Lens zoom range 35-105mm (3.0x) 50mm (1x)
Maximal aperture f/3.1-5.9 f/2.8
Macro focusing range 10cm -
Crop factor 5.8 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 2.7 inches 3 inches
Resolution of screen 230k dot 920k dot
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder None None
Features
Minimum shutter speed 4 secs -
Fastest shutter speed 1/2000 secs -
Continuous shutter speed - 4.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Change white balance
Image stabilization
Integrated flash
Flash distance 3.00 m no built-in flash
Flash options Auto, On, Off, Red-eye, Soft no built-in flash
External flash
AE bracketing
White balance bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (24 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) 640x480
Max video resolution 1280x720 640x480
Video format Motion JPEG Motion JPEG
Mic jack
Headphone jack
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
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 121 gr (0.27 lbs) 330 gr (0.73 lbs)
Dimensions 90 x 52 x 19mm (3.5" x 2.0" x 0.7") 122 x 67 x 59mm (4.8" x 2.6" x 2.3")
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 ID NP-60 -
Self timer Yes (2 or 10 sec, Triple) -
Time lapse shooting
Type of storage SD/MMC/SDHC card, Internal -
Storage slots One One
Pricing at release $150 $931