Pentax K-3 II vs Sigma SD1
59 Imaging
66 Features
84 Overall
73
77 Imaging
55 Features
43 Overall
50
Pentax K-3 II vs Sigma SD1 Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3.2" Fixed Screen
- ISO 100 - 51200
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 800g - 131 x 100 x 77mm
- Introduced April 2015
- Previous Model is Pentax K-3
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Display
- ISO 0 - 0
- No Video
- Sigma SA Mount
- n/ag - 146 x 113 x 80mm
- Introduced September 2010
- Renewed by Sigma SD1 Merrill
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On this page, we are reviewing the Pentax K-3 II and Sigma SD1, both Advanced DSLR cameras by brands Pentax and Sigma. There is a large difference among the resolutions of the K-3 II (24MP) and SD1 (15MP) but both cameras have the same sensor dimensions (APS-C).
Apple Innovates by Creating Next-Level Optical Stabilization for iPhoneThe K-3 II was announced 4 years later than the SD1 and that is a fairly serious difference as far as camera tech is concerned. Each of these cameras have the same body design (Mid-size SLR).
Before we go right into a complete comparison, here is a simple summation of how the K-3 II grades against the SD1 in relation to portability, imaging, features and an overall grade.
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Following is a sample of the gallery pics for Pentax K-3 II & Sigma SD1. The whole galleries are provided at Pentax K-3 II Gallery & Sigma SD1 Gallery.
Reasons to pick Pentax K-3 II over the Sigma SD1
| K-3 II | SD1 | |||
|---|---|---|---|---|
| Introduced | April 2015 |  | September 2010 | More recent by 56 months |
| Display dimensions | 3.2" |  | 3" | Larger display (+0.2") |
| Display resolution | 1037k |  | 460k | Crisper display (+577k dot) |
Reasons to pick Sigma SD1 over the Pentax K-3 II
| SD1 | K-3 II |
|---|
Common features in the Pentax K-3 II and Sigma SD1
| K-3 II | SD1 | |||
|---|---|---|---|---|
| Focus manually |  | Dial exact focus | ||
| Display type | Fixed |  | Fixed | Fixed display |
| Selfie screen |  | Missing selfie screen | ||
| Touch display |  | Missing Touch display |
Pentax K-3 II vs Sigma SD1 Physical Comparison
For those who are looking to lug around your camera regularly, you have to consider its weight and dimensions. The Pentax K-3 II has exterior dimensions of 131mm x 100mm x 77mm (5.2" x 3.9" x 3.0") accompanied by a weight of 800 grams (1.76 lbs) while 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).
Analyze the Pentax K-3 II and Sigma SD1 in our newest Camera plus Lens Size Comparison Tool.
Always remember, the weight of an ILC will vary depending on the lens you are utilising during that time. Underneath is a front view overall size comparison of the K-3 II and the SD1.
Taking into account size and weight, the portability rating of the K-3 II and SD1 is 59 and 77 respectively.
Pentax K-3 II vs Sigma SD1 Sensor Comparison
Oftentimes, it's tough to visualise the gap in sensor measurements purely by viewing specifications. The graphic below will help provide you a far better sense of the sensor sizes in the K-3 II and SD1.
To sum up, the 2 cameras provide the same sensor dimensions but not the same MP. You can expect to see the Pentax K-3 II to provide you with greater detail with its extra 9MP. Greater resolution will also enable you to crop pics more aggressively. The younger K-3 II will have a benefit with regard to sensor tech.
Pentax K-3 II vs Sigma SD1 Screen and ViewFinder
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Pentax K-3 II vs Sigma SD1 Specifications
| Pentax K-3 II | Sigma SD1 | |
|---|---|---|
| General Information | ||
| Company | Pentax | Sigma |
| Model | Pentax K-3 II | Sigma SD1 |
| Class | Advanced DSLR | Advanced DSLR |
| Introduced | 2015-04-23 | 2010-09-21 |
| Body design | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Processor | Prime III | Dual True II |
| Sensor type | CMOS | CMOS (Foveon X3) |
| Sensor size | APS-C | APS-C |
| Sensor dimensions | 23.5 x 15.6mm | 24 x 16mm |
| Sensor surface area | 366.6mm² | 384.0mm² |
| Sensor resolution | 24 megapixel | 15 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | - |
| Highest Possible resolution | 6016 x 4000 | 4800 x 3200 |
| Maximum native ISO | 51200 | - |
| Min native ISO | 100 | - |
| RAW format | ||
| Autofocusing | ||
| Focus manually | ||
| Touch to focus | ||
| AF continuous | ||
| Single AF | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detection focusing | ||
| Contract detection focusing | ||
| Phase detection focusing | ||
| Number of focus points | 27 | 11 |
| Cross focus points | 25 | 2 |
| Lens | ||
| Lens mount | Pentax KAF2 | Sigma SA |
| Available lenses | 151 | 76 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Screen type | Fixed Type | Fixed Type |
| Screen sizing | 3.2 inch | 3 inch |
| Screen resolution | 1,037k dot | 460k dot |
| Selfie friendly | ||
| Liveview | ||
| Touch function | ||
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100 percent | 96 percent |
| Viewfinder magnification | 0.64x | 0.64x |
| Features | ||
| Min shutter speed | 30s | 15s |
| Max shutter speed | 1/8000s | 1/2000s |
| Continuous shutter speed | 8.3fps | 5.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash range | no built-in flash | - |
| Flash options | Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync (available with dedicated external flash) | - |
| External flash | ||
| AE bracketing | ||
| WB bracketing | ||
| Max flash sync | 1/180s | - |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p, 24p) | - |
| Maximum video resolution | 1920x1080 | None |
| Video format | MPEG-4, H.264 | - |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Optional | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.0 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | BuiltIn | None |
| Physical | ||
| Environmental seal | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 800 gr (1.76 lb) | - |
| Physical dimensions | 131 x 100 x 77mm (5.2" x 3.9" x 3.0") | 146 x 113 x 80mm (5.7" x 4.4" x 3.1") |
| DXO scores | ||
| DXO Overall score | 80 | not tested |
| DXO Color Depth score | 23.6 | not tested |
| DXO Dynamic range score | 13.6 | not tested |
| DXO Low light score | 1106 | not tested |
| Other | ||
| Battery life | 720 images | - |
| Type of battery | Battery Pack | - |
| Battery model | D-LI90 | - |
| Self timer | Yes ( 2 or 12 seconds) | Yes |
| Time lapse feature | ||
| Type of storage | Dual SD/SDHC/SDXC | Compact Flash (Type I, UDMA compatible) |
| Storage slots | Two | 1 |
| Cost at release | $829 | $2,339 |
