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Casio EX-Z550 vs Sigma SD1

Portability
95
Imaging
36
Features
25
Overall
31
Casio Exilim EX-Z550 front
 
Sigma SD1 front
Portability
77
Imaging
55
Features
43
Overall
50

Casio EX-Z550 vs Sigma SD1 Key Specs

Casio EX-Z550
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 64 - 3200
  • Sensor-shift Image Stabilization
  • 640 x 480 video
  • 26-104mm (F2.6-5.9) lens
  • 143g - 99 x 53 x 20mm
  • Launched January 2010
Sigma SD1
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 0 - 0
  • No Video
  • Sigma SA Mount
  • n/ag - 146 x 113 x 80mm
  • Released September 2010
  • Successor is Sigma SD1 Merrill
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Casio EX-Z550 vs Sigma SD1 Overview

Here is a comprehensive assessment of the Casio EX-Z550 versus Sigma SD1, former being a Ultracompact while the latter is a Advanced DSLR by companies Casio and Sigma. The resolution of the EX-Z550 (14MP) and the SD1 (15MP) is relatively similar but the EX-Z550 (1/2.3") and SD1 (APS-C) have different sensor dimensions.

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The EX-Z550 was manufactured 8 months earlier than the SD1 which means that they are both of a similar age. Both cameras have different body design with the Casio EX-Z550 being a Ultracompact camera and the Sigma SD1 being a Mid-size SLR camera.

Before delving into a full comparison, here is a simple introduction of how the EX-Z550 grades versus the SD1 with respect to portability, imaging, features and an overall rating.

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Reasons to pick Casio EX-Z550 over the Sigma SD1

 EX-Z550 SD1 

Reasons to pick Sigma SD1 over the Casio EX-Z550

 SD1 EX-Z550 
ReleasedSeptember 2010January 2010Fresher by 8 months
Screen dimensions3"2.7"Bigger screen (+0.3")
Screen resolution460k230kCrisper screen (+230k dot)

Common features in the Casio EX-Z550 and Sigma SD1

 EX-Z550 SD1 
Manual focus Dial precise focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Neither has selfie screen
Touch friendly screen Neither has Touch friendly screen

Casio EX-Z550 vs Sigma SD1 Physical Comparison

If you are going to carry your camera regularly, you'll have to think about its weight and dimensions. The Casio EX-Z550 has physical measurements of 99mm x 53mm x 20mm (3.9" x 2.1" x 0.8") with a weight of 143 grams (0.32 lbs) and the Sigma SD1 has dimensions of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") having a weight of n/a grams (0.00 lbs).

Take a look at the Casio EX-Z550 versus Sigma SD1 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ based on the lens you are employing at that time. Following is a front view overall size comparison of the EX-Z550 versus the SD1.

Casio EX-Z550 vs Sigma SD1 size comparison

Looking at size and weight, the portability grade of the EX-Z550 and SD1 is 95 and 77 respectively.

Casio EX-Z550 vs Sigma SD1 top view buttons comparison

Casio EX-Z550 vs Sigma SD1 Sensor Comparison

Oftentimes, it is very hard to picture the contrast between sensor sizing only by reading a spec sheet. The graphic here may provide you a far better sense of the sensor sizing in the EX-Z550 and SD1.

As you can see, both of the cameras provide different megapixel count and different sensor sizing. The EX-Z550 due to its tinier sensor is going to make shooting shallower depth of field harder and the Sigma SD1 will offer you extra detail due to its extra 1MP. Higher resolution can also make it easier to crop pictures more aggressively. The older EX-Z550 is going to be behind in sensor innovation.

Casio EX-Z550 vs Sigma SD1 sensor size comparison

Casio EX-Z550 vs Sigma SD1 Screen and ViewFinder

Casio EX-Z550 vs Sigma SD1 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Casio EX-Z550 Portrait photography factors
Sigma SD1 Portrait photography factors
34
you can focus manually
MP count decent (14 megapixels)
manual mode not available
cannot use external flash
tiny sensor (1/2.3")
has no RAW files
65
has manual focus
decent megapixels (15 megapixels)
sensor size is good (APS-C)
exports RAW files
doesn't have liveview
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Street Comparison

Street photography with Casio EX-Z550
Street photography with Sigma SD1
57
image stabilization (Sensor-shift)
no moving screen
tiny sensor (1/2.3")
has no RAW files
62
sensor size is good (APS-C)
exports RAW files
environment proofing
screen is fixed
lack of image stabilization
max ISO too low (0)
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Sports Comparison

Casio EX-Z550 Sports photography information
Sigma SD1 Sports photography information
38
image stabilization (Sensor-shift)
MP count decent (14 megapixels)
no shutter priority mode
tiny sensor (1/2.3")
has no phase detect autofocus
56
decent megapixels (15 megapixels)
sensor size is good (APS-C)
environment proofing
has phase detect AF
doesn't have liveview
slow fps (5.0 fps)
lack of image stabilization
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Travel Comparison

Casio EX-Z550 Travel photography info
Sigma SD1 Travel photography info
65
MP count decent (14 megapixels)
built-in flash
really wide (26mm)
no Time Lapse mode
screen is not selfie friendly
somewhat slow maximum aperture (f2.6)
65
environment proofing
decent megapixels (15MP)
flash built-in
doesn't have Timelapse function
doesn't have a selfie friendly screen
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Landscape Comparison

Casio EX-Z550 as a Landscape photography camera
Sigma SD1 as a Landscape photography camera
42
you can focus manually
really wide (26mm)
image stabilization (Sensor-shift)
MP count decent (14 megapixels)
lens is fixed (fixed lens mount)
somewhat slow maximum aperture (f2.6)
screen is somewhat small (2.7")
manual mode not available
tiny sensor (1/2.3")
has no RAW files
no Time Lapse mode
61
has manual focus
change lenses (Sigma SA mount)
screen is a decent size (3")
decent megapixels (15MP)
sensor size is good (APS-C)
exports RAW files
environment proofing
doesn't have liveview
lack of image stabilization
max ISO too low (0)
doesn't have Timelapse function
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Vlogging Comparison

Casio EX-Z550 Vlogging details
Sigma SD1 Vlogging details
29
really wide (26mm)
image stabilization (Sensor-shift)
somewhat slow maximum aperture (f2.6)
screen is not selfie friendly
low res video (640 x 480 resolution)
no external mic support
9
no video
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Casio EX-Z550 vs Sigma SD1 Specifications

Detailed spec comparison table for Casio EX-Z550 and Sigma SD1
 Casio Exilim EX-Z550Sigma SD1
General Information
Company Casio Sigma
Model Casio Exilim EX-Z550 Sigma SD1
Type Ultracompact Advanced DSLR
Launched 2010-01-06 2010-09-21
Physical type Ultracompact Mid-size SLR
Sensor Information
Powered by - Dual True II
Sensor type CCD CMOS (Foveon X3)
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 24 x 16mm
Sensor area 28.1mm² 384.0mm²
Sensor resolution 14 megapixels 15 megapixels
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 -
Maximum resolution 4320 x 3240 4800 x 3200
Maximum native ISO 3200 -
Minimum native ISO 64 -
RAW files
Autofocusing
Manual focus
Touch to focus
AF continuous
AF single
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points - 11
Cross focus points - 2
Lens
Lens mount fixed lens Sigma SA
Lens focal range 26-104mm (4.0x) -
Highest aperture f/2.6-5.9 -
Number of lenses - 76
Focal length multiplier 5.8 1.5
Screen
Screen type Fixed Type Fixed Type
Screen sizing 2.7 inches 3 inches
Screen resolution 230 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 96%
Viewfinder magnification - 0.64x
Features
Lowest shutter speed 4 secs 15 secs
Highest shutter speed 1/2000 secs 1/2000 secs
Continuous shooting rate - 5.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Change WB
Image stabilization
Built-in flash
Flash settings Auto, flash off, flash on, red eye reduction -
External flash
AEB
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 × 720, 640 x 480, 320 x 240 -
Maximum video resolution 640x480 None
Video format Motion JPEG -
Microphone 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 proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 143 gr (0.32 pounds) -
Physical dimensions 99 x 53 x 20mm (3.9" x 2.1" x 0.8") 146 x 113 x 80mm (5.7" x 4.4" x 3.1")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Self timer Yes (10 seconds, 2 seconds, Triple Self-timer) Yes
Time lapse recording
Type of storage SD/SDHC card, Internal Compact Flash (Type I, UDMA compatible)
Card slots 1 1
Launch pricing $149 $2,339