Pentax K-70 vs Sony A390
62 Imaging
67 Features
81 Overall
72
66 Imaging
54 Features
54 Overall
54
Pentax K-70 vs Sony A390 Key Specs
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 100 - 102400
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Max Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 688g - 126 x 93 x 74mm
- Launched June 2016
- Updated by Pentax KF
(Full Review)
- 14MP - APS-C Sensor
- 2.7" Tilting Screen
- ISO 100 - 3200
- Sensor based Image Stabilization
- No Video
- Sony/Minolta Alpha Mount
- 549g - 128 x 97 x 86mm
- Introduced July 2010
- Superseded the Sony A380
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Lets look a bit more in depth at the Pentax K-70 and Sony A390, both Entry-Level DSLR cameras by brands Pentax and Sony. There exists a noticeable gap among the resolutions of the K-70 (24MP) and A390 (14MP) but they enjoy the exact same sensor sizes (APS-C).
Meta to Introduce 'AI-Generated' Labels for Media starting next monthThe K-70 was brought out 5 years after the A390 which is a fairly sizable difference as far as camera technology is concerned. Both of the cameras come with the identical body type (Compact SLR).
Before going straight into a detailed comparison, below is a simple view of how the K-70 matches up against the A390 when it comes to portability, imaging, features and an overall score.
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Below is a preview of the gallery images for Pentax K-70 & Sony Alpha DSLR-A390. The entire galleries are viewable at Pentax K-70 Gallery & Sony A390 Gallery.
Reasons to pick Pentax K-70 over the Sony A390
| K-70 | A390 | |||
|---|---|---|---|---|
| Introduced | June 2016 |  | July 2010 | More modern by 72 months |
| Screen type | Fully Articulated |  | Tilting | Fully Articulating screen |
| Screen dimension | 3" |  | 2.7" | Bigger screen (+0.3") |
| Screen resolution | 921k |  | 230k | Clearer screen (+691k dot) |
| Selfie screen |  | Easy selfies |
Reasons to pick Sony A390 over the Pentax K-70
| A390 | K-70 |
|---|
Common features in the Pentax K-70 and Sony A390
| K-70 | A390 | |||
|---|---|---|---|---|
| Focus manually |  | Very precise focusing | ||
| Touch friendly screen |  | Lacking Touch friendly screen |
Pentax K-70 vs Sony A390 Physical Comparison
For anyone who is aiming to carry around your camera often, you need to factor its weight and proportions. The Pentax K-70 has got outer dimensions of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") having a weight of 688 grams (1.52 lbs) and the Sony A390 has measurements of 128mm x 97mm x 86mm (5.0" x 3.8" x 3.4") accompanied by a weight of 549 grams (1.21 lbs).
Take a look at the Pentax K-70 and Sony A390 in our brand new Camera & Lens Size Comparison Tool.
Do not forget, the weight of an ILC will differ dependant on the lens you have at the time. Below is the front view measurements comparison of the K-70 vs the A390.
Considering dimensions and weight, the portability rating of the K-70 and A390 is 62 and 66 respectively.
Pentax K-70 vs Sony A390 Sensor Comparison
Sometimes, it is very difficult to envision the contrast in sensor sizes just by going through specs. The picture underneath should offer you a greater sense of the sensor sizes in the K-70 and A390.
As you can plainly see, both cameras have got the exact same sensor measurements albeit not the same MP. You can expect the Pentax K-70 to show extra detail having its extra 10 Megapixels. Higher resolution will enable you to crop photographs much more aggressively. The more modern K-70 will have a benefit with regard to sensor technology.
Pentax K-70 vs Sony A390 Screen and ViewFinder
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Pentax K-70 vs Sony A390 Specifications
| Pentax K-70 | Sony Alpha DSLR-A390 | |
|---|---|---|
| General Information | ||
| Brand | Pentax | Sony |
| Model | Pentax K-70 | Sony Alpha DSLR-A390 |
| Type | Entry-Level DSLR | Entry-Level DSLR |
| Launched | 2016-06-08 | 2010-07-28 |
| Physical type | Compact SLR | Compact SLR |
| Sensor Information | ||
| Processor Chip | PRIME MII | Bionz |
| Sensor type | CMOS | CCD |
| Sensor size | APS-C | APS-C |
| Sensor measurements | 23.5 x 15.6mm | 23.5 x 15.7mm |
| Sensor surface area | 366.6mm² | 369.0mm² |
| Sensor resolution | 24 megapixel | 14 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Full resolution | 6000 x 4000 | 4592 x 3056 |
| Max native ISO | 102400 | 3200 |
| Min native ISO | 100 | 100 |
| RAW data | ||
| Autofocusing | ||
| Focus manually | ||
| AF touch | ||
| AF continuous | ||
| Single AF | ||
| AF tracking | ||
| AF selectice | ||
| AF center weighted | ||
| Multi area AF | ||
| Live view AF | ||
| Face detection AF | ||
| Contract detection AF | ||
| Phase detection AF | ||
| Number of focus points | 11 | 9 |
| Cross focus points | 9 | - |
| Lens | ||
| Lens mounting type | Pentax KAF2 | Sony/Minolta Alpha |
| Total lenses | 151 | 143 |
| Focal length multiplier | 1.5 | 1.5 |
| Screen | ||
| Type of screen | Fully Articulated | Tilting |
| Screen sizing | 3" | 2.7" |
| Resolution of screen | 921 thousand dots | 230 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch operation | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Optical (pentamirror) |
| Viewfinder coverage | 100% | 95% |
| Viewfinder magnification | 0.63x | 0.49x |
| Features | ||
| Slowest shutter speed | 30 seconds | 30 seconds |
| Maximum shutter speed | 1/6000 seconds | 1/4000 seconds |
| Continuous shooting rate | 6.0 frames per sec | 3.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Exposure compensation | Yes | Yes |
| Custom WB | ||
| Image stabilization | ||
| Inbuilt flash | ||
| Flash range | 12.00 m (at ISO 100) | 10.00 m (at ISO 100) |
| Flash settings | Auto, auto w/redeye reduction, flash on, flash + redeye reduction, slow sync, trailing curtain sync, manual | Auto, On, Off, Red-Eye, Slow Sync, Rear Curtain, Wireless |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Maximum flash synchronize | - | 1/160 seconds |
| 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) | - |
| Max video resolution | 1920x1080 | None |
| Video data format | MPEG-4, H.264 | - |
| Microphone port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environmental sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 688g (1.52 lbs) | 549g (1.21 lbs) |
| Dimensions | 126 x 93 x 74mm (5.0" x 3.7" x 2.9") | 128 x 97 x 86mm (5.0" x 3.8" x 3.4") |
| DXO scores | ||
| DXO All around score | not tested | 66 |
| DXO Color Depth score | not tested | 22.5 |
| DXO Dynamic range score | not tested | 11.5 |
| DXO Low light score | not tested | 607 |
| Other | ||
| Battery life | 410 shots | 230 shots |
| Battery type | Battery Pack | Battery Pack |
| Battery model | - | NP-FH50 |
| Self timer | Yes (2 or 12 secs, continuous) | Yes (2 or 10 sec) |
| Time lapse feature | ||
| Storage type | SD/SDHC/SDXC (UHS-I compatible) | SD/ SDHC, Memory Stick Pro Duo |
| Card slots | One | One |
| Launch cost | $649 | $500 |
