Casio EX-Z270 vs Sigma SD1
96 Imaging
32 Features
22 Overall
28


77 Imaging
54 Features
43 Overall
49
Casio EX-Z270 vs Sigma SD1 Key Specs
(Full Review)
- 10MP - 1/2.5" Sensor
- 2.7" Fixed Display
- ISO 100 - 1600
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 28-112mm (F2.6-7.8) lens
- 111g - 97 x 55 x 22mm
- Introduced January 2009
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Screen
- ISO 0 - 0
- No Video
- Sigma SA Mount
- n/ag - 146 x 113 x 80mm
- Introduced September 2010
- Successor is Sigma SD1 Merrill

Casio EX-Z270 vs Sigma SD1 Overview
Following is a detailed review of the Casio EX-Z270 versus Sigma SD1, one is a Ultracompact and the latter is a Advanced DSLR by competitors Casio and Sigma. There is a significant difference between the image resolutions of the EX-Z270 (10MP) and SD1 (15MP) and the EX-Z270 (1/2.5") and SD1 (APS-C) use different sensor measurements.

The EX-Z270 was announced 20 months earlier than the SD1 which makes the cameras a generation away from each other. Both of these cameras offer different body type with the Casio EX-Z270 being a Ultracompact camera and the Sigma SD1 being a Mid-size SLR camera.
Before diving in to a in depth comparison, below is a concise overview of how the EX-Z270 grades vs the SD1 when considering portability, imaging, features and an overall score.

Casio EX-Z270 vs Sigma SD1 Gallery
Following is a preview of the gallery photos for Casio Exilim EX-Z270 and Sigma SD1. The whole galleries are viewable at Casio EX-Z270 Gallery and Sigma SD1 Gallery.
Reasons to pick Casio EX-Z270 over the Sigma SD1
EX-Z270 | SD1 |
---|
Reasons to pick Sigma SD1 over the Casio EX-Z270
SD1 | EX-Z270 | |||
---|---|---|---|---|
Introduced | September 2010 | ![]() | January 2009 | More modern by 20 months |
Focus manually | ![]() | Dial precise focus | ||
Screen sizing | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Screen resolution | 460k | ![]() | 115k | Crisper screen (+345k dot) |
Common features in the Casio EX-Z270 and Sigma SD1
EX-Z270 | SD1 | |||
---|---|---|---|---|
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Selfie screen | ![]() | Neither includes selfie screen | ||
Touch screen | ![]() | Neither includes Touch screen |
Casio EX-Z270 vs Sigma SD1 Physical Comparison
For anybody who is planning to carry around your camera, you'll have to think about its weight and size. The Casio EX-Z270 features physical measurements of 97mm x 55mm x 22mm (3.8" x 2.2" x 0.9") with a weight of 111 grams (0.24 lbs) while the Sigma SD1 has specifications of 146mm x 113mm x 80mm (5.7" x 4.4" x 3.1") accompanied by a weight of n/a grams (0.00 lbs).
See the Casio EX-Z270 versus Sigma SD1 in the all new Camera with Lens Size Comparison Tool.
Bear in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you use at that moment. The following is the front view dimension comparison of the EX-Z270 versus the SD1.

Factoring in size and weight, the portability grade of the EX-Z270 and SD1 is 96 and 77 respectively.

Casio EX-Z270 vs Sigma SD1 Sensor Comparison
In many cases, its difficult to imagine the contrast between sensor sizes only by looking at technical specs. The image below should provide you a better sense of the sensor measurements in the EX-Z270 and SD1.
As you have seen, both the cameras offer different resolutions and different sensor sizes. The EX-Z270 using its tinier sensor is going to make getting shallow DOF harder and the Sigma SD1 will give more detail with its extra 5 Megapixels. Higher resolution can also help you crop pictures a little more aggressively. The more aged EX-Z270 is going to be disadvantaged with regard to sensor tech.

Casio EX-Z270 vs Sigma SD1 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Casio EX-Z270 vs Sigma SD1 Specifications
Casio Exilim EX-Z270 | Sigma SD1 | |
---|---|---|
General Information | ||
Manufacturer | Casio | Sigma |
Model type | Casio Exilim EX-Z270 | Sigma SD1 |
Category | Ultracompact | Advanced DSLR |
Introduced | 2009-01-08 | 2010-09-21 |
Body design | Ultracompact | Mid-size SLR |
Sensor Information | ||
Processor | - | Dual True II |
Sensor type | CCD | CMOS (Foveon X3) |
Sensor size | 1/2.5" | APS-C |
Sensor measurements | 5.744 x 4.308mm | 24 x 16mm |
Sensor surface area | 24.7mm² | 384.0mm² |
Sensor resolution | 10MP | 15MP |
Anti alias filter | ||
Aspect ratio | 16:9, 4:3 and 3:2 | - |
Highest resolution | 3648 x 2736 | 4800 x 3200 |
Highest native ISO | 1600 | - |
Minimum native ISO | 100 | - |
RAW images | ||
Autofocusing | ||
Manual focusing | ||
Touch to focus | ||
Continuous autofocus | ||
Single autofocus | ||
Tracking autofocus | ||
Selective autofocus | ||
Autofocus center weighted | ||
Autofocus multi area | ||
Autofocus live view | ||
Face detect autofocus | ||
Contract detect autofocus | ||
Phase detect autofocus | ||
Total focus points | - | 11 |
Cross type focus points | - | 2 |
Lens | ||
Lens mount type | fixed lens | Sigma SA |
Lens zoom range | 28-112mm (4.0x) | - |
Maximal aperture | f/2.6-7.8 | - |
Available lenses | - | 76 |
Focal length multiplier | 6.3 | 1.5 |
Screen | ||
Range of display | Fixed Type | Fixed Type |
Display sizing | 2.7" | 3" |
Display resolution | 115 thousand dot | 460 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch function | ||
Viewfinder Information | ||
Viewfinder type | None | Optical (pentaprism) |
Viewfinder coverage | - | 96% |
Viewfinder magnification | - | 0.64x |
Features | ||
Lowest shutter speed | 1/2 secs | 15 secs |
Highest shutter speed | 1/2000 secs | 1/2000 secs |
Continuous shooting speed | - | 5.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | - | Yes |
Custom white balance | ||
Image stabilization | ||
Inbuilt flash | ||
External flash | ||
AEB | ||
WB bracketing | ||
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Supported video resolutions | 1280 x 720 (24 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) | - |
Highest video resolution | 1280x720 | None |
Video data format | Motion JPEG | - |
Microphone input | ||
Headphone input | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environmental seal | ||
Water proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 111g (0.24 lbs) | - |
Dimensions | 97 x 55 x 22mm (3.8" x 2.2" x 0.9") | 146 x 113 x 80mm (5.7" x 4.4" x 3.1") |
DXO scores | ||
DXO All around 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-80 | - |
Self timer | Yes (10 seconds, 2 seconds, Triple Self-timer) | Yes |
Time lapse recording | ||
Storage media | SDHC Memory Card, SD Memory Card, Eye-Fi Wireless Card compatible | Compact Flash (Type I, UDMA compatible) |
Storage slots | 1 | 1 |
Retail pricing | $0 | $2,339 |