Pentax K-3 III vs Sigma SD1
58 Imaging
72 Features
86 Overall
77
77 Imaging
55 Features
43 Overall
50
Pentax K-3 III vs Sigma SD1 Key Specs
(Full Review)
- 26MP - APS-C Sensor
- 3.2" Fixed Display
- ISO 100 - 1600000
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/8000s Max Shutter
- 3840 x 2160 video
- Pentax KAF2 Mount
- 820g - 135 x 104 x 74mm
- Released March 2021
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Screen
- ISO 0 - 0
- No Video
- Sigma SA Mount
- n/ag - 146 x 113 x 80mm
- Revealed September 2010
- Successor is Sigma SD1 Merrill
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Here, we will be evaluating the Pentax K-3 III versus Sigma SD1, both Advanced DSLR digital cameras by competitors Pentax and Sigma. There is a significant difference between the image resolutions of the K-3 III (26MP) and SD1 (15MP) but both cameras posses the identical sensor dimensions (APS-C).
Photobucket discusses licensing 13 billion images with AI firmsThe K-3 III was launched 10 years after the SD1 which is quite a sizable gap as far as tech is concerned. Both cameras feature the same body design (Mid-size SLR).
Before diving straight to a detailed comparison, here is a simple highlight of how the K-3 III matches up against the SD1 in terms of portability, imaging, features and an overall mark.
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Below is a preview of the gallery photos for Pentax K-3 Mark III and Sigma SD1. The complete galleries are provided at Pentax K-3 III Gallery and Sigma SD1 Gallery.
Reasons to pick Pentax K-3 III over the Sigma SD1
| K-3 III | SD1 | |||
|---|---|---|---|---|
| Revealed | March 2021 |  | September 2010 | Newer by 129 months |
| Screen size | 3.2" |  | 3" | Bigger screen (+0.2") |
| Screen resolution | 1620k |  | 460k | Crisper screen (+1160k dot) |
| Touch screen |  | Quickly navigate |
Reasons to pick Sigma SD1 over the Pentax K-3 III
| SD1 | K-3 III |
|---|
Common features in the Pentax K-3 III and Sigma SD1
| K-3 III | SD1 | |||
|---|---|---|---|---|
| Focus manually |  | More exact focusing | ||
| Screen type | Fixed |  | Fixed | Fixed screen |
| Selfie screen |  | Lacking selfie screen |
Pentax K-3 III vs Sigma SD1 Physical Comparison
In case you're looking to travel with your camera, you will need to factor its weight and dimensions. The Pentax K-3 III offers exterior measurements of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") along with a weight of 820 grams (1.81 lbs) whilst the Sigma SD1 has dimensions 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).
Analyze the Pentax K-3 III versus Sigma SD1 in the latest Camera and Lens Size Comparison Tool.
Take into account, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are utilizing at that time. Underneath is a front view dimensions comparison of the K-3 III vs the SD1.
Looking at size and weight, the portability grade of the K-3 III and SD1 is 58 and 77 respectively.
Pentax K-3 III vs Sigma SD1 Sensor Comparison
Oftentimes, it's difficult to picture the gap between sensor dimensions merely by going over specifications. The pic below should offer you a more clear sense of the sensor sizing in the K-3 III and SD1.
Plainly, both of the cameras come with the identical sensor size albeit different megapixels. You should count on the Pentax K-3 III to offer you extra detail utilizing its extra 11MP. Higher resolution can also help you crop shots a good deal more aggressively. The more modern K-3 III should have a benefit in sensor innovation.
Pentax K-3 III vs Sigma SD1 Screen and ViewFinder
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Pentax K-3 III vs Sigma SD1 Specifications
| Pentax K-3 Mark III | Sigma SD1 | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | Sigma |
| Model type | Pentax K-3 Mark III | Sigma SD1 |
| Category | Advanced DSLR | Advanced DSLR |
| Released | 2021-03-31 | 2010-09-21 |
| Physical type | Mid-size SLR | Mid-size SLR |
| Sensor Information | ||
| Powered by | - | Dual True II |
| Sensor type | CMOS | CMOS (Foveon X3) |
| Sensor size | APS-C | APS-C |
| Sensor dimensions | 23 x 15.5mm | 24 x 16mm |
| Sensor area | 356.5mm² | 384.0mm² |
| Sensor resolution | 26 megapixels | 15 megapixels |
| Anti alias filter | ||
| Aspect ratio | 3:2 | - |
| Highest Possible resolution | 6192 x 4128 | 4800 x 3200 |
| Maximum native ISO | 1600000 | - |
| Lowest native ISO | 100 | - |
| RAW pictures | ||
| Autofocusing | ||
| Manual focusing | ||
| AF touch | ||
| AF continuous | ||
| AF single | ||
| AF tracking | ||
| Selective AF | ||
| Center weighted AF | ||
| Multi area AF | ||
| AF live view | ||
| Face detect AF | ||
| Contract detect AF | ||
| Phase detect AF | ||
| Total focus points | 101 | 11 |
| Cross type focus points | 25 | 2 |
| Lens | ||
| Lens mount type | Pentax KAF2 | Sigma SA |
| Number of lenses | 156 | 76 |
| Focal length multiplier | 1.6 | 1.5 |
| Screen | ||
| Type of display | Fixed Type | Fixed Type |
| Display size | 3.2" | 3" |
| Display resolution | 1,620 thousand dots | 460 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch friendly | ||
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Optical (pentaprism) |
| Viewfinder coverage | 100% | 96% |
| Viewfinder magnification | 0.7x | 0.64x |
| Features | ||
| Min shutter speed | 30 seconds | 15 seconds |
| Max shutter speed | 1/8000 seconds | 1/2000 seconds |
| Continuous shutter rate | 12.0 frames/s | 5.0 frames/s |
| Shutter priority | ||
| Aperture priority | ||
| Expose Manually | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | no built-in flash | - |
| Flash options | Auto, Auto + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow- speed Sync, Slow-speed Sync + Red-eye, P-TTL, Contrast-control-sync, High-speed sync, Wireless sync | - |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Max flash synchronize | 1/200 seconds | - |
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Supported video resolutions | 3840 x 2160 @ 30p, MOV, H.264, Linear PCM3840 x 2160 @ 24p, MOV, H.264, Linear PCM1920 x 1080 @ 60p, MOV, H.264, Linear PCM1920 x 1080 @ 30p, MOV, H.264, Linear PCM1920 x 1080 @ 24p, MOV, H.264, Linear PCM | - |
| Maximum video resolution | 3840x2160 | None |
| Video format | MPEG-4, H.264 | - |
| Mic support | ||
| Headphone support | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 3.2 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 820g (1.81 lb) | - |
| Physical dimensions | 135 x 104 x 74mm (5.3" x 4.1" x 2.9") | 146 x 113 x 80mm (5.7" x 4.4" x 3.1") |
| 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 life | 800 photos | - |
| Battery style | Battery Pack | - |
| Battery ID | D-LI90 | - |
| Self timer | Yes | Yes |
| Time lapse recording | ||
| Storage type | Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1) | Compact Flash (Type I, UDMA compatible) |
| Card slots | Dual | 1 |
| Retail price | $1,999 | $2,339 |
