Pentax KP vs Sony A7R III
61 Imaging
68 Features
76 Overall
71
63 Imaging
78 Features
93 Overall
84
Pentax KP vs Sony A7R III Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3" Tilting Screen
- ISO 100 - 819200
- Sensor based 5-axis Image Stabilization
- 1/6000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 703g - 132 x 101 x 76mm
- Revealed January 2017
(Full Review)
- 42MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 32000 (Push to 102400)
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 657g - 127 x 96 x 74mm
- Announced October 2017
- Superseded the Sony A7R II
- New Model is Sony A7R IV
Photography Glossary Pentax KP vs Sony A7R III Overview
On this page, we are evaluating the Pentax KP vs Sony A7R III, former is a Advanced DSLR while the other is a Pro Mirrorless by brands Pentax and Sony. There is a sizable difference among the resolutions of the KP (24MP) and A7R III (42MP) and the KP (APS-C) and A7R III (Full frame) offer totally different sensor size.
Photobucket discusses licensing 13 billion images with AI firmsThe KP was released 9 months prior to the A7R III and they are of a similar age. The two cameras have different body design with the Pentax KP being a Mid-size SLR camera and the Sony A7R III being a SLR-style mirrorless camera.
Before delving right into a step-by-step comparison, here is a short synopsis of how the KP matches up vs the A7R III when considering portability, imaging, features and an overall score.
Body cameras now worn by bakery staff to deter stealing Pentax KP vs Sony A7R III Gallery
This is a sample of the gallery pictures for Pentax KP & Sony Alpha A7R III. The complete galleries are available at Pentax KP Gallery & Sony A7R III Gallery.
Reasons to pick Pentax KP over the Sony A7R III
| KP | A7R III |
|---|
Reasons to pick Sony A7R III over the Pentax KP
| A7R III | KP | |||
|---|---|---|---|---|
| Announced | October 2017 |  | January 2017 | More modern by 9 months |
| Display resolution | 1440k |  | 921k | Crisper display (+519k dot) |
| Touch friendly display |  | Easily navigate |
Common features in the Pentax KP and Sony A7R III
| KP | A7R III | |||
|---|---|---|---|---|
| Manual focus |  | More accurate focusing | ||
| Display type | Tilting |  | Tilting | Tilting display |
| Display dimensions | 3" |  | 3" | Equal display size |
| Selfie screen |  | Absent selfie screen |
Pentax KP vs Sony A7R III Physical Comparison
If you're going to carry around your camera regularly, you will have to factor in its weight and volume. The Pentax KP offers external measurements of 132mm x 101mm x 76mm (5.2" x 4.0" x 3.0") along with a weight of 703 grams (1.55 lbs) while the Sony A7R III has sizing of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") along with a weight of 657 grams (1.45 lbs).
See the Pentax KP vs Sony A7R III in our newest Camera & Lens Size Comparison Tool.
Remember that, the weight of an ILC will change based on the lens you are working with at that moment. Here is a front view measurement comparison of the KP and the A7R III.
Factoring in size and weight, the portability grade of the KP and A7R III is 61 and 63 respectively.
Pentax KP vs Sony A7R III Sensor Comparison
Generally, it is tough to visualise the gap in sensor sizes just by checking out a spec sheet. The pic underneath should provide you a clearer sense of the sensor measurements in the KP and A7R III.
As you can see, both of those cameras have different megapixels and different sensor sizes. The KP due to its smaller sensor will make shooting shallow depth of field harder and the Sony A7R III will produce extra detail as a result of its extra 18MP. Greater resolution can also make it easier to crop pics a bit more aggressively. The more aged KP will be behind with regard to sensor innovation.
Pentax KP vs Sony A7R III Screen and ViewFinder
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Pentax KP vs Sony A7R III Specifications
| Pentax KP | Sony Alpha A7R III | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Sony |
| Model type | Pentax KP | Sony Alpha A7R III |
| Class | Advanced DSLR | Pro Mirrorless |
| Revealed | 2017-01-26 | 2017-10-25 |
| Body design | Mid-size SLR | SLR-style mirrorless |
| Sensor Information | ||
| Powered by | PRIME IV | Bionz X |
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | APS-C | Full frame |
| Sensor dimensions | 23.5 x 15.6mm | 35.9 x 24mm |
| Sensor area | 366.6mm² | 861.6mm² |
| Sensor resolution | 24 megapixel | 42 megapixel |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Highest resolution | 6016 x 4000 | 7952 x 5304 |
| Highest native ISO | 819200 | 32000 |
| Highest boosted ISO | - | 102400 |
| Lowest native ISO | 100 | 100 |
| RAW support | ||
| Lowest boosted ISO | - | 50 |
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| Continuous AF | ||
| AF single | ||
| Tracking AF | ||
| Selective AF | ||
| AF center weighted | ||
| AF multi area | ||
| AF live view | ||
| Face detection AF | ||
| Contract detection AF | ||
| Phase detection AF | ||
| Total focus points | 27 | 425 |
| Cross type focus points | 25 | - |
| Lens | ||
| Lens support | Pentax KAF2 | Sony E |
| Number of lenses | 151 | 121 |
| Crop factor | 1.5 | 1 |
| Screen | ||
| Screen type | Tilting | Tilting |
| Screen sizing | 3" | 3" |
| Screen resolution | 921 thousand dot | 1,440 thousand dot |
| Selfie friendly | ||
| Liveview | ||
| Touch functionality | ||
| Viewfinder Information | ||
| Viewfinder type | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 3,686 thousand dot |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.63x | 0.78x |
| Features | ||
| Lowest shutter speed | 30 secs | 30 secs |
| Highest shutter speed | 1/6000 secs | 1/8000 secs |
| Highest silent shutter speed | 1/24000 secs | - |
| Continuous shooting speed | 7.0fps | 10.0fps |
| Shutter priority | ||
| Aperture priority | ||
| Manual exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash distance | 6.00 m (at ISO 100) | no built-in flash |
| Flash options | Auto, auto w/redeye reduction, flash on w/redeye reduction, slow sync, trailing curtain sync, manual, wireless | Off, Auto, Fill-flash, Slow Sync, Rear Sync, Red-eye reduction, Wireless, Hi-speed sync |
| Hot shoe | ||
| Auto exposure bracketing | ||
| White balance bracketing | ||
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Video resolutions | 1920 x 1080 (60i, 30p) | 3840 x 2160 (30p, 25p, 24p), 1920 x 1080 (60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) |
| Highest video resolution | 1920x1080 | 3840x2160 |
| Video format | MPEG-4, H.264 | MPEG-4, AVCHD, XAVC S |
| Mic jack | ||
| Headphone jack | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 3.1 Gen 1(5 GBit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environment seal | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 703g (1.55 pounds) | 657g (1.45 pounds) |
| Physical dimensions | 132 x 101 x 76mm (5.2" x 4.0" x 3.0") | 127 x 96 x 74mm (5.0" x 3.8" x 2.9") |
| DXO scores | ||
| DXO All around rating | not tested | 100 |
| DXO Color Depth rating | not tested | 26.0 |
| DXO Dynamic range rating | not tested | 14.7 |
| DXO Low light rating | not tested | 3523 |
| Other | ||
| Battery life | 390 photographs | 650 photographs |
| Battery form | Battery Pack | Battery Pack |
| Battery ID | D-LI109 | NP-FZ100 |
| Self timer | Yes (2 or 12 secs) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
| Time lapse feature | ||
| Type of storage | SD/SDHC/SDXC (UHS-I supported) | Two SD/SDHC/SDXC slots (UHS-II support on one) |
| Storage slots | 1 | Two |
| Launch price | $747 | $2,800 |
