Pentax K-3 III vs Sony A77 II
58 Imaging
71 Features
86 Overall
77
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62 Imaging
65 Features
85 Overall
73
Pentax K-3 III vs Sony A77 II Key Specs
(Full Review)
- 26MP - APS-C Sensor
- 3.2" Fixed Screen
- 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
- Launched March 2021
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Display
- ISO 50 - 25600
- Sensor based Image Stabilization
- 1/8000s Maximum Shutter
- 1920 x 1080 video
- Sony/Minolta Alpha Mount
- 647g - 143 x 104 x 81mm
- Revealed May 2014
- Succeeded the Sony A77
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Pentax K-3 III vs Sony A77 II Overview
Here is a in-depth analysis of the Pentax K-3 III versus Sony A77 II, both Advanced DSLR digital cameras by competitors Pentax and Sony. The resolution of the K-3 III (26MP) and the A77 II (24MP) is very similar and they enjoy the exact same sensor sizing (APS-C).
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The K-3 III was unveiled 6 years later than the A77 II and that is quite a sizable difference as far as tech is concerned. Both the cameras come with the identical body type (Mid-size SLR).
Before getting straight into a thorough comparison, below is a short view of how the K-3 III matches up versus the A77 II in terms of portability, imaging, features and an overall rating.
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Pentax K-3 III vs Sony A77 II Gallery
Below is a sample of the gallery pics for Pentax K-3 Mark III & Sony SLT-A77 II. The full galleries are available at Pentax K-3 III Gallery & Sony A77 II Gallery.
Reasons to pick Pentax K-3 III over the Sony A77 II
K-3 III | A77 II | |||
---|---|---|---|---|
Revealed | March 2021 | ![]() | May 2014 | Fresher by 84 months |
Display dimension | 3.2" | ![]() | 3" | Larger display (+0.2") |
Display resolution | 1620k | ![]() | 1229k | Clearer display (+391k dot) |
Touch friendly display | ![]() | Easily navigate |
Reasons to pick Sony A77 II over the Pentax K-3 III
A77 II | K-3 III | |||
---|---|---|---|---|
Display type | Fully Articulated | ![]() | Fixed | Fully Articulating display |
Selfie screen | ![]() | Easy selfies |
Common features in the Pentax K-3 III and Sony A77 II
K-3 III | A77 II | |||
---|---|---|---|---|
Manual focus | ![]() | Very accurate focus |
Pentax K-3 III vs Sony A77 II Physical Comparison
For anyone who is looking to carry your camera, you'll have to factor its weight and proportions. The Pentax K-3 III has got exterior dimensions of 135mm x 104mm x 74mm (5.3" x 4.1" x 2.9") and a weight of 820 grams (1.81 lbs) whilst the Sony A77 II has measurements of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 647 grams (1.43 lbs).
Contrast the Pentax K-3 III versus Sony A77 II in our completely new Camera plus Lens Size Comparison Tool.
Take into account, the weight of an ILC will differ based on the lens you have attached at that time. Below is the front view measurement comparison of the K-3 III vs the A77 II.
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Looking at size and weight, the portability grade of the K-3 III and A77 II is 58 and 62 respectively.
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Pentax K-3 III vs Sony A77 II Sensor Comparison
Usually, its tough to see the difference between sensor sizing simply by reviewing specs. The visual here may give you a stronger sense of the sensor sizes in the K-3 III and A77 II.
All in all, both of those cameras have got the exact same sensor measurements but not the same MP. You can expect to see the Pentax K-3 III to deliver extra detail having an extra 2 Megapixels. Greater resolution will also enable you to crop images much more aggressively. The more modern K-3 III is going to have a benefit when it comes to sensor tech.
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Pentax K-3 III vs Sony A77 II Screen and ViewFinder
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Photography Type Scores
Portrait Comparison
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Street Comparison
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Sports Comparison
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Travel Comparison
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Landscape Comparison
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Vlogging Comparison
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Pentax K-3 III vs Sony A77 II Specifications
Pentax K-3 Mark III | Sony SLT-A77 II | |
---|---|---|
General Information | ||
Manufacturer | Pentax | Sony |
Model | Pentax K-3 Mark III | Sony SLT-A77 II |
Category | Advanced DSLR | Advanced DSLR |
Launched | 2021-03-31 | 2014-05-21 |
Body design | Mid-size SLR | Mid-size SLR |
Sensor Information | ||
Chip | - | Bionz X |
Sensor type | CMOS | CMOS |
Sensor size | APS-C | APS-C |
Sensor dimensions | 23 x 15.5mm | 23.5 x 15.6mm |
Sensor surface area | 356.5mm² | 366.6mm² |
Sensor resolution | 26 megapixels | 24 megapixels |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Full resolution | 6192 x 4128 | 6000 x 4000 |
Max native ISO | 1600000 | 25600 |
Min native ISO | 100 | 50 |
RAW files | ||
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Continuous AF | ||
AF single | ||
Tracking AF | ||
AF selectice | ||
AF center weighted | ||
AF multi area | ||
Live view AF | ||
Face detection focusing | ||
Contract detection focusing | ||
Phase detection focusing | ||
Number of focus points | 101 | 79 |
Cross focus points | 25 | 15 |
Lens | ||
Lens mounting type | Pentax KAF2 | Sony/Minolta Alpha |
Amount of lenses | 156 | 143 |
Crop factor | 1.6 | 1.5 |
Screen | ||
Range of screen | Fixed Type | Fully Articulated |
Screen size | 3.2" | 3" |
Resolution of screen | 1,620k dot | 1,229k dot |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 2,359k dot |
Viewfinder coverage | 100 percent | 100 percent |
Viewfinder magnification | 0.7x | 0.73x |
Features | ||
Lowest shutter speed | 30s | 30s |
Highest shutter speed | 1/8000s | 1/8000s |
Continuous shooting speed | 12.0fps | 12.0fps |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Exposure compensation | Yes | Yes |
Change WB | ||
Image stabilization | ||
Integrated flash | ||
Flash range | no built-in flash | 12.00 m (at ISO 100) |
Flash settings | 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 | Auto, fill, rear sync, slow sync |
External flash | ||
AEB | ||
White balance bracketing | ||
Highest flash sync | 1/200s | 1/250s |
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 | 1920 x 1080 (60p, 60i, 30p), 1440 x 1080 (30p), 640 x 480 (30p) |
Max video resolution | 3840x2160 | 1920x1080 |
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 3.2 Gen 1 (5 GBit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 820g (1.81 lb) | 647g (1.43 lb) |
Dimensions | 135 x 104 x 74mm (5.3" x 4.1" x 2.9") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
DXO scores | ||
DXO All around score | not tested | 82 |
DXO Color Depth score | not tested | 24.4 |
DXO Dynamic range score | not tested | 13.4 |
DXO Low light score | not tested | 1013 |
Other | ||
Battery life | 800 shots | 480 shots |
Battery form | Battery Pack | Battery Pack |
Battery model | D-LI90 | NP-FM500H |
Self timer | Yes | Yes (Yes (2 or 12 sec)) |
Time lapse feature | ||
Storage media | Dual SD/SDHC/SDXC slots (UHS-II supported in slot 1) | SD/ SDHC/SDXC, Memory Stick Pro Duo/ Pro-HG Duo |
Storage slots | Dual | One |
Pricing at launch | $1,999 | $1,198 |