Pentax K-50 vs Sony A9 II
63 Imaging
57 Features
65 Overall
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62 Imaging
75 Features
93 Overall
82
Pentax K-50 vs Sony A9 II Key Specs
(Full Review)
- 16MP - APS-C Sensor
- 3" Fixed Screen
- ISO 100 - 51600
- Sensor based Image Stabilization
- 1/6000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 650g - 130 x 97 x 71mm
- Announced November 2013
- Replaced the Pentax K-30
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Push to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 678g - 129 x 96 x 76mm
- Introduced October 2019
- Succeeded the Sony A9

Pentax K-50 vs Sony A9 II Overview
Below, we will be looking at the Pentax K-50 versus Sony A9 II, one is a Entry-Level DSLR and the latter is a Pro Mirrorless by rivals Pentax and Sony. There exists a sizeable gap between the sensor resolutions of the K-50 (16MP) and A9 II (24MP) and the K-50 (APS-C) and A9 II (Full frame) possess totally different sensor sizing.

The K-50 was announced 6 years before the A9 II which is quite a large gap as far as technology is concerned. Both the cameras come with different body type with the Pentax K-50 being a Compact SLR camera and the Sony A9 II being a SLR-style mirrorless camera.
Before diving straight into a step-by-step comparison, below is a short summary of how the K-50 grades vs the A9 II with respect to portability, imaging, features and an overall score.

Pentax K-50 vs Sony A9 II Gallery
Following is a preview of the gallery photos for Pentax K-50 and Sony Alpha A9 Mark II. The whole galleries are viewable at Pentax K-50 Gallery and Sony A9 II Gallery.
Reasons to pick Pentax K-50 over the Sony A9 II
K-50 | A9 II |
---|
Reasons to pick Sony A9 II over the Pentax K-50
A9 II | K-50 | |||
---|---|---|---|---|
Introduced | October 2019 | ![]() | November 2013 | More modern by 71 months |
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen resolution | 1440k | ![]() | 921k | Crisper screen (+519k dot) |
Touch screen | ![]() | Quickly navigate |
Common features in the Pentax K-50 and Sony A9 II
K-50 | A9 II | |||
---|---|---|---|---|
Manual focus | ![]() | Very precise focus | ||
Screen dimension | 3" | ![]() | 3" | Identical screen measurement |
Selfie screen | ![]() | Neither contains selfie screen |
Pentax K-50 vs Sony A9 II Physical Comparison
If you're planning to carry around your camera often, you'll have to factor its weight and size. The Pentax K-50 has got exterior measurements of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") along with a weight of 650 grams (1.43 lbs) while the Sony A9 II has specifications of 129mm x 96mm x 76mm (5.1" x 3.8" x 3.0") accompanied by a weight of 678 grams (1.49 lbs).
Check the Pentax K-50 versus Sony A9 II in the latest Camera and Lens Size Comparison Tool.
Take into consideration, the weight of an Interchangeable Lens Camera will change based on the lens you are utilising at that time. Below is the front view scale comparison of the K-50 vs the A9 II.

Taking into account dimensions and weight, the portability score of the K-50 and A9 II is 63 and 62 respectively.

Pentax K-50 vs Sony A9 II Sensor Comparison
Typically, it is tough to envision the difference between sensor sizes simply by reading through technical specs. The pic below will help give you a greater sense of the sensor measurements in the K-50 and A9 II.
As you have seen, each of the cameras posses different megapixel count and different sensor sizes. The K-50 having a tinier sensor will make getting bokeh trickier and the Sony A9 II will give you greater detail with its extra 8MP. Higher resolution can also make it easier to crop pictures somewhat more aggressively. The more aged K-50 is going to be behind in sensor innovation.

Pentax K-50 vs Sony A9 II Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-50 vs Sony A9 II Specifications
Pentax K-50 | Sony Alpha A9 Mark II | |
---|---|---|
General Information | ||
Manufacturer | Pentax | Sony |
Model type | Pentax K-50 | Sony Alpha A9 Mark II |
Type | Entry-Level DSLR | Pro Mirrorless |
Announced | 2013-11-27 | 2019-10-03 |
Body design | Compact SLR | SLR-style mirrorless |
Sensor Information | ||
Chip | PRIME M | BIONZ X |
Sensor type | CMOS | BSI-CMOS |
Sensor size | APS-C | Full frame |
Sensor dimensions | 23.7 x 15.7mm | 35.6 x 23.8mm |
Sensor surface area | 372.1mm² | 847.3mm² |
Sensor resolution | 16 megapixels | 24 megapixels |
Anti alias filter | ||
Aspect ratio | 3:2 | 3:2 |
Maximum resolution | 4928 x 3264 | 6000 x 4000 |
Maximum native ISO | 51600 | 51200 |
Maximum boosted ISO | - | 204800 |
Min native ISO | 100 | 100 |
RAW pictures | ||
Min boosted ISO | - | 50 |
Autofocusing | ||
Manual focusing | ||
Touch to focus | ||
Continuous AF | ||
AF single | ||
Tracking AF | ||
AF selectice | ||
Center weighted AF | ||
AF multi area | ||
Live view AF | ||
Face detection focusing | ||
Contract detection focusing | ||
Phase detection focusing | ||
Total focus points | 11 | 693 |
Cross type focus points | 9 | - |
Lens | ||
Lens support | Pentax KAF2 | Sony E |
Amount of lenses | 151 | 121 |
Crop factor | 1.5 | 1 |
Screen | ||
Range of screen | Fixed Type | Tilting |
Screen sizing | 3 inch | 3 inch |
Screen resolution | 921 thousand dot | 1,440 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch functionality | ||
Screen technology | TFT LCD monitor with brightness/color adjustment and AR coating | - |
Viewfinder Information | ||
Viewfinder type | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 3,686 thousand dot |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.61x | 0.78x |
Features | ||
Lowest shutter speed | 30 secs | 30 secs |
Highest shutter speed | 1/6000 secs | 1/8000 secs |
Highest silent shutter speed | - | 1/32000 secs |
Continuous shooting speed | 6.0 frames/s | 20.0 frames/s |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Exposure compensation | Yes | Yes |
Custom WB | ||
Image stabilization | ||
Integrated flash | ||
Flash distance | 12.00 m (at ISO 100) | no built-in flash |
Flash settings | Auto, On, Off, Red-eye, Slow Sync, Slow Sync+Redeye, Trailing Curtain Sync, Wireless | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
External flash | ||
AE bracketing | ||
White balance bracketing | ||
Highest flash sync | 1/180 secs | - |
Exposure | ||
Multisegment | ||
Average | ||
Spot | ||
Partial | ||
AF area | ||
Center weighted | ||
Video features | ||
Supported video resolutions | 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50,30,25,24 fps), 640 x 424 (30,25,24 fps) | 3840 x 2160 @ 30p / 100 Mbps, XAVC S, MP4, H.264, Linear PCM |
Maximum video resolution | 1920x1080 | 3840x2160 |
Video file format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
Mic input | ||
Headphone input | ||
Connectivity | ||
Wireless | None | 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 | 650g (1.43 pounds) | 678g (1.49 pounds) |
Dimensions | 130 x 97 x 71mm (5.1" x 3.8" x 2.8") | 129 x 96 x 76mm (5.1" x 3.8" x 3.0") |
DXO scores | ||
DXO All around rating | 79 | not tested |
DXO Color Depth rating | 23.7 | not tested |
DXO Dynamic range rating | 13.0 | not tested |
DXO Low light rating | 1120 | not tested |
Other | ||
Battery life | 410 photographs | 690 photographs |
Form of battery | Battery Pack | Battery Pack |
Battery ID | D-LI109 | NP-FZ100 |
Self timer | Yes ( 2 or 12 seconds) | Yes (2, 5, 10 secs + continuous, 3 or 5 frames) |
Time lapse recording | ||
Storage media | SD/SDHC/SDXC | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
Storage slots | One | Dual |
Launch pricing | $610 | $4,498 |