Pentax K-1 vs Sony A7 III
55 Imaging
75 Features
82 Overall
77


63 Imaging
73 Features
92 Overall
80
Pentax K-1 vs Sony A7 III Key Specs
(Full Review)
- 36MP - Full frame Sensor
- 3.2" Fully Articulated Screen
- ISO 100 - 204800
- Sensor based 5-axis Image Stabilization
- No Anti-Alias Filter
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 1010g - 137 x 110 x 86mm
- Released February 2016
- Renewed by Pentax K-1 II
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 51200 (Increase to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 650g - 127 x 96 x 74mm
- Revealed February 2018
- Earlier Model is Sony A7 II
- Successor is Sony A7 IV

Pentax K-1 vs Sony A7 III Overview
Here, we are analyzing the Pentax K-1 vs Sony A7 III, former being a Advanced DSLR while the other is a Pro Mirrorless by manufacturers Pentax and Sony. There exists a considerable gap among the sensor resolutions of the K-1 (36MP) and A7 III (24MP) but both cameras offer the identical sensor measurements (Full frame).

The K-1 was introduced 24 months prior to the A7 III making them a generation apart from one another. The two cameras feature different body design with the Pentax K-1 being a Mid-size SLR camera and the Sony A7 III being a SLR-style mirrorless camera.
Before delving right into a in depth comparison, here is a concise summation of how the K-1 scores vs the A7 III in relation to portability, imaging, features and an overall grade.

Pentax K-1 vs Sony A7 III Gallery
Below is a sample of the gallery pictures for Pentax K-1 & Sony Alpha A7 III. The whole galleries are viewable at Pentax K-1 Gallery & Sony A7 III Gallery.
Reasons to pick Pentax K-1 over the Sony A7 III
K-1 | A7 III | |||
---|---|---|---|---|
Display type | Fully Articulated | ![]() | Tilting | Fully Articulating display |
Display size | 3.2" | ![]() | 3" | Larger display (+0.2") |
Display resolution | 1037k | ![]() | 922k | Clearer display (+115k dot) |
Reasons to pick Sony A7 III over the Pentax K-1
A7 III | K-1 | |||
---|---|---|---|---|
Revealed | February 2018 | ![]() | February 2016 | More recent by 24 months |
Touch display | ![]() | Easily navigate |
Common features in the Pentax K-1 and Sony A7 III
K-1 | A7 III | |||
---|---|---|---|---|
Manually focus | ![]() | More exact focus | ||
Selfie screen | ![]() | Neither provides selfie screen |
Pentax K-1 vs Sony A7 III Physical Comparison
For anyone who is looking to lug around your camera often, you will need to factor its weight and dimensions. The Pentax K-1 provides external measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") accompanied by a weight of 1010 grams (2.23 lbs) and the Sony A7 III has dimensions of 127mm x 96mm x 74mm (5.0" x 3.8" x 2.9") and a weight of 650 grams (1.43 lbs).
Examine the Pentax K-1 vs Sony A7 III in our brand new Camera & Lens Size Comparison Tool.
Don't forget, the weight of an ILC will change dependant on the lens you are utilising during that time. Below is a front view proportions comparison of the K-1 against the A7 III.

Taking into account dimensions and weight, the portability grade of the K-1 and A7 III is 55 and 63 respectively.

Pentax K-1 vs Sony A7 III Sensor Comparison
Sometimes, it can be tough to visualize the gap in sensor measurements only by viewing specifications. The visual underneath should provide you a much better sense of the sensor sizing in the K-1 and A7 III.
To sum up, both the cameras feature the identical sensor size but different MP. You can anticipate the Pentax K-1 to provide you with more detail using its extra 12MP. Greater resolution will also allow you to crop photos way more aggressively. The older K-1 will be disadvantaged when it comes to sensor innovation.

Pentax K-1 vs Sony A7 III Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-1 vs Sony A7 III Specifications
Pentax K-1 | Sony Alpha A7 III | |
---|---|---|
General Information | ||
Brand | Pentax | Sony |
Model | Pentax K-1 | Sony Alpha A7 III |
Class | Advanced DSLR | Pro Mirrorless |
Released | 2016-02-17 | 2018-02-27 |
Body design | Mid-size SLR | SLR-style mirrorless |
Sensor Information | ||
Powered by | - | Bionz X |
Sensor type | CMOS | BSI-CMOS |
Sensor size | Full frame | Full frame |
Sensor measurements | 35.9 x 24mm | 35.8 x 23.8mm |
Sensor surface area | 861.6mm² | 852.0mm² |
Sensor resolution | 36MP | 24MP |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Maximum resolution | 7360 x 4912 | 6000 x 4000 |
Maximum native ISO | 204800 | 51200 |
Maximum boosted ISO | - | 204800 |
Min native ISO | 100 | 100 |
RAW photos | ||
Min boosted ISO | - | 50 |
Autofocusing | ||
Focus manually | ||
AF touch | ||
AF continuous | ||
AF single | ||
Tracking AF | ||
AF selectice | ||
AF center weighted | ||
Multi area AF | ||
Live view AF | ||
Face detection focusing | ||
Contract detection focusing | ||
Phase detection focusing | ||
Number of focus points | 33 | 693 |
Cross focus points | 25 | - |
Lens | ||
Lens mounting type | Pentax KAF2 | Sony E |
Number of lenses | 151 | 121 |
Crop factor | 1 | 1 |
Screen | ||
Range of screen | Fully Articulated | Tilting |
Screen size | 3.2" | 3" |
Screen resolution | 1,037 thousand dot | 922 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 2,359 thousand dot |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.7x | 0.78x |
Features | ||
Lowest shutter speed | 30s | 30s |
Highest shutter speed | 1/8000s | 1/8000s |
Continuous shooting speed | 4.4 frames/s | 10.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Change WB | ||
Image stabilization | ||
Integrated flash | ||
Flash range | no built-in flash | no built-in flash |
Flash settings | 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 | no built-in flash |
Hot shoe | ||
AE bracketing | ||
WB bracketing | ||
Highest flash sync | 1/200s | - |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) | 3840 x 2160 (30p, 24p) 1920 x 1080 (120p, 60p, 60i, 24p), 1440 x 1080 (30p), 640 x 480 (30p) |
Maximum video resolution | 1920x1080 | 3840x2160 |
Video file format | MPEG-4, H.264 | MPEG-4, AVCHD, XAVC S, H.264 |
Microphone input | ||
Headphone input | ||
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 | Built-in | None |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 1010 gr (2.23 lb) | 650 gr (1.43 lb) |
Physical dimensions | 137 x 110 x 86mm (5.4" x 4.3" x 3.4") | 127 x 96 x 74mm (5.0" x 3.8" x 2.9") |
DXO scores | ||
DXO All around score | 96 | 96 |
DXO Color Depth score | 25.4 | 25.0 |
DXO Dynamic range score | 14.6 | 14.7 |
DXO Low light score | 3280 | 3730 |
Other | ||
Battery life | 760 shots | 610 shots |
Form of battery | Battery Pack | Battery Pack |
Battery model | D-LI90 | NP-FZ100 |
Self timer | Yes (2 or 12 sec, custom) | Yes (2 or 10 sec; continuous (3 or 5 exposures)) |
Time lapse shooting | ||
Storage media | Dual SD/SDHC/SDXC (UHS-I) | SD/SDHC/SDXC, Memory Stick Duo/Pro Duo/Pro-HG Duo |
Storage slots | Dual | Dual |
Price at launch | $1,499 | $1,998 |