Pentax K-5 vs Sigma SD9
60 Imaging
56 Features
82 Overall
66


54 Imaging
38 Features
27 Overall
33
Pentax K-5 vs Sigma SD9 Key Specs
(Full Review)
- 16MP - APS-C Sensor
- 3" Fixed Display
- ISO 80 - 12800 (Bump to 51200)
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 740g - 131 x 97 x 73mm
- Introduced December 2010
- Previous Model is Pentax K-7
- Renewed by Pentax K-5 IIs
(Full Review)
- 3MP - APS-C Sensor
- 1.8" Fixed Display
- ISO 100 - 400
- 1/6000s Max Shutter
- No Video
- Sigma SA Mount
- 950g - 152 x 120 x 79mm
- Introduced November 2002
- Refreshed by Sigma SD10

Pentax K-5 vs Sigma SD9 Overview
Here is a in-depth assessment of the Pentax K-5 versus Sigma SD9, both Advanced DSLR cameras by competitors Pentax and Sigma. There is a significant difference among the sensor resolutions of the K-5 (16MP) and SD9 (3MP) but both cameras provide the identical sensor measurements (APS-C).

The K-5 was announced 8 years later than the SD9 and that is a fairly sizable gap as far as camera tech is concerned. The two cameras feature the same body design (Mid-size SLR).
Before getting straight to a thorough comparison, here is a quick highlight of how the K-5 grades against the SD9 with regard to portability, imaging, features and an overall rating.

Pentax K-5 vs Sigma SD9 Gallery
The following is a sample of the gallery pics for Pentax K-5 and Sigma SD9. The whole galleries are provided at Pentax K-5 Gallery and Sigma SD9 Gallery.
Reasons to pick Pentax K-5 over the Sigma SD9
K-5 | SD9 | |||
---|---|---|---|---|
Introduced | December 2010 | ![]() | November 2002 | Fresher by 99 months |
Display size | 3" | ![]() | 1.8" | Larger display (+1.2") |
Display resolution | 921k | ![]() | 130k | Clearer display (+791k dot) |
Reasons to pick Sigma SD9 over the Pentax K-5
SD9 | K-5 |
---|
Common features in the Pentax K-5 and Sigma SD9
K-5 | SD9 | |||
---|---|---|---|---|
Manually focus | ![]() | Dial precise focus | ||
Display type | Fixed | ![]() | Fixed | Fixed display |
Selfie screen | ![]() | Neither contains selfie screen | ||
Touch friendly display | ![]() | Missing Touch friendly display |
Pentax K-5 vs Sigma SD9 Physical Comparison
For those who are looking to carry your camera often, you're going to have to consider its weight and dimensions. The Pentax K-5 has got outer dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") along with a weight of 740 grams (1.63 lbs) whilst the Sigma SD9 has dimensions of 152mm x 120mm x 79mm (6.0" x 4.7" x 3.1") accompanied by a weight of 950 grams (2.09 lbs).
Analyze the Pentax K-5 versus Sigma SD9 in the latest Camera and Lens Size Comparison Tool.
Take into consideration, the weight of an Interchangeable Lens Camera will differ based on the lens you are employing at that moment. Following is a front view measurements comparison of the K-5 vs the SD9.

Considering size and weight, the portability rating of the K-5 and SD9 is 60 and 54 respectively.

Pentax K-5 vs Sigma SD9 Sensor Comparison
Oftentimes, it's difficult to envision the contrast in sensor sizing just by researching a spec sheet. The graphic below may give you a clearer sense of the sensor dimensions in the K-5 and SD9.
Clearly, both of the cameras feature the identical sensor size but not the same MP. You should expect to see the Pentax K-5 to render more detail with its extra 13 Megapixels. Greater resolution will let you crop photos way more aggressively. The more recent K-5 is going to have an advantage when it comes to sensor innovation.

Pentax K-5 vs Sigma SD9 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-5 vs Sigma SD9 Specifications
Pentax K-5 | Sigma SD9 | |
---|---|---|
General Information | ||
Manufacturer | Pentax | Sigma |
Model | Pentax K-5 | Sigma SD9 |
Category | Advanced DSLR | Advanced DSLR |
Introduced | 2010-12-18 | 2002-11-26 |
Body design | Mid-size SLR | Mid-size SLR |
Sensor Information | ||
Chip | Prime II | - |
Sensor type | CMOS | CMOS (Foveon X3) |
Sensor size | APS-C | APS-C |
Sensor measurements | 23.7 x 15.7mm | 20.7 x 13.8mm |
Sensor area | 372.1mm² | 285.7mm² |
Sensor resolution | 16MP | 3MP |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 3:2 |
Maximum resolution | 4928 x 3264 | 2268 x 1512 |
Maximum native ISO | 12800 | 400 |
Maximum boosted ISO | 51200 | - |
Lowest native ISO | 80 | 100 |
RAW format | ||
Autofocusing | ||
Manual focus | ||
Touch focus | ||
Autofocus continuous | ||
Autofocus single | ||
Tracking autofocus | ||
Autofocus selectice | ||
Autofocus center weighted | ||
Multi area autofocus | ||
Live view autofocus | ||
Face detect autofocus | ||
Contract detect autofocus | ||
Phase detect autofocus | ||
Number of focus points | 11 | - |
Cross focus points | 9 | - |
Lens | ||
Lens mount | Pentax KAF2 | Sigma SA |
Amount of lenses | 151 | 76 |
Crop factor | 1.5 | 1.7 |
Screen | ||
Display type | Fixed Type | Fixed Type |
Display diagonal | 3" | 1.8" |
Display resolution | 921k dot | 130k dot |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Display tech | TFT LCD monitor | - |
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Optical (pentaprism) |
Viewfinder coverage | 100 percent | 98 percent |
Viewfinder magnification | 0.61x | 0.77x |
Features | ||
Slowest shutter speed | 30 secs | 30 secs |
Maximum shutter speed | 1/8000 secs | 1/6000 secs |
Continuous shooting speed | 7.0 frames/s | - |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Inbuilt flash | ||
Flash range | 13.00 m (at ISO 100) | no built-in flash |
Flash settings | Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless | - |
Hot shoe | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Maximum flash sync | 1/180 secs | 1/180 secs |
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Supported video resolutions | 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 424 (25, 30 fps) | - |
Maximum video resolution | 1920x1080 | None |
Video data format | Motion JPEG | - |
Microphone jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | None | None |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 1.0 (1.5 Mbit/sec) |
GPS | Optional | None |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 740g (1.63 lbs) | 950g (2.09 lbs) |
Physical dimensions | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") | 152 x 120 x 79mm (6.0" x 4.7" x 3.1") |
DXO scores | ||
DXO All around score | 82 | not tested |
DXO Color Depth score | 23.7 | not tested |
DXO Dynamic range score | 14.1 | not tested |
DXO Low light score | 1162 | not tested |
Other | ||
Battery life | 980 images | - |
Form of battery | Battery Pack | - |
Battery model | D-LI90 | - |
Self timer | Yes ( 2 or 12 seconds) | Yes (10 sec) |
Time lapse shooting | ||
Storage media | SD/SDHC/SDXC | Compact Flash Type I or II |
Storage slots | 1 | 1 |
Pricing at launch | $800 | $3,001 |