Pentax K-70 vs Sony A9
Portability
62 Imaging
67 Features
81 Overall
72
62 Imaging
67 Features
81 Overall
72
Portability
65 Imaging
73 Features
93 Overall
81
65 Imaging
73 Features
93 Overall
81
Pentax K-70 vs Sony A9 Key Specs
Pentax K-70
(Full Review)
(Full Review)
- 24MP - APS-C Sensor
- 3" Fully Articulated Screen
- ISO 100 - 102400
- Sensor based Image Stabilization
- No Anti-Alias Filter
- 1/6000s Maximum Shutter
- 1920 x 1080 video
- Pentax KAF2 Mount
- 688g - 126 x 93 x 74mm
- Released June 2016
- Refreshed by Pentax KF
Sony A9
(Full Review)
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Screen
- ISO 100 - 51200 (Bump to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Max Shutter
- 3840 x 2160 video
- Sony E Mount
- 673g - 127 x 96 x 63mm
- Released April 2017
- Refreshed by Sony A9 II
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Let's examine more in depth at the Pentax K-70 versus Sony A9, one is a Entry-Level DSLR and the latter is a Pro Mirrorless by rivals Pentax and Sony. The resolution of the K-70 (24MP) and the A9 (24MP) is relatively close but the K-70 (APS-C) and A9 (Full frame) possess different sensor dimensions.
President Biden pushes bill mandating TikTok sale or banThe K-70 was unveiled 10 months earlier than the A9 and they are of a similar generation. Both the cameras offer different body type with the Pentax K-70 being a Compact SLR camera and the Sony A9 being a SLR-style mirrorless camera.
Before delving straight into a in depth comparison, below is a short view of how the K-70 matches up against the A9 with regards to portability, imaging, features and an overall mark.
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Here is a preview of the gallery photos for Pentax K-70 and Sony Alpha A9. The full galleries are provided at Pentax K-70 Gallery and Sony A9 Gallery.
Reasons to pick Pentax K-70 over the Sony A9
| K-70 | A9 | |||
|---|---|---|---|---|
| Screen type | Fully Articulated |  | Tilting | Fully Articulating screen |
| Selfie screen |  | Easy selfies |
Reasons to pick Sony A9 over the Pentax K-70
| A9 | K-70 | |||
|---|---|---|---|---|
| Released | April 2017 |  | June 2016 | Newer by 10 months |
| Screen resolution | 1440k |  | 921k | Sharper screen (+519k dot) |
| Touch screen |  | Quickly navigate |
Common features in the Pentax K-70 and Sony A9
| K-70 | A9 | |||
|---|---|---|---|---|
| Focus manually |  | Very precise focus | ||
| Screen sizing | 3" |  | 3" | Equivalent screen sizing |
Pentax K-70 vs Sony A9 Physical Comparison
In case you're looking to travel with your camera, you will need to factor its weight and dimensions. The Pentax K-70 features outer measurements of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") along with a weight of 688 grams (1.52 lbs) while the Sony A9 has dimensions of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") and a weight of 673 grams (1.48 lbs).
Contrast the Pentax K-70 versus Sony A9 in the new Camera with Lens Size Comparison Tool.
Remember that, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use at that time. Below is the front view overall size comparison of the K-70 against the A9.
Considering size and weight, the portability grade of the K-70 and A9 is 62 and 65 respectively.
Pentax K-70 vs Sony A9 Sensor Comparison
Generally, it is tough to visualize the contrast in sensor dimensions purely by researching specifications. The image here may give you a better sense of the sensor sizing in the K-70 and A9.
Plainly, the 2 cameras offer the same exact MP albeit different sensor dimensions. The K-70 has got the smaller sensor which will make getting shallower DOF more challenging. The more aged K-70 will be disadvantaged with regard to sensor innovation.
Pentax K-70 vs Sony A9 Screen and ViewFinder
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Portrait Comparison
Pentax K-70 Portrait photography factors
Sony A9 Portrait photography factors
manual focus
good MP (24 megapixels)
sensor size is decent (APS-C)
has face detection autofocus
delivers RAW files
you can focus manually
decent megapixels (24 megapixels)
sensor size is great (Full frame)
has face detect focus
delivers RAW formats
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Pentax K-70 as a Street photography camera
Sony A9 as a Street photography camera
screen can move to multiple angles
image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
environment proof
great high ISO (102,400)
heavier than competition (688g)
has a tilting screen
built in image stabilization (Sensor based 5-axis)
sensor size is great (Full frame)
delivers RAW formats
comes with touch focus
environment proof
above average high ISO (51,200)
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Sports photography with Pentax K-70
Sports photography with Sony A9
maximum shutter speed is high (1/6,000 seconds)
image stabilization (Sensor based)
good MP (24MP)
sensor size is decent (APS-C)
has tracking autofocus
environment proof
supports phase detect autofocus
continuous shooting slow (6.0 frames per second)
not so great battery life (410 CIPA)
great max shutter speed (1/8,000 seconds)
silent shooting (1/32,000 seconds)
fast continuous shooting (20.0 frames per second)
built in image stabilization (Sensor based 5-axis)
decent megapixels (24MP)
sensor size is great (Full frame)
has tracking focus
environment proof
good battery life (650 CIPA)
comes with phase detect auto focus
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Pentax K-70 as a Travel photography camera
Sony A9 as a Travel photography camera
environment proof
good MP (24 megapixels)
flash built-in
selfie friendly screen
not so great battery life (410 shots)
heavier than competition (688 grams)
good battery life (650 CIPA)
environment proof
supports bluetooth
comes with touch focus
decent megapixels (24 megapixels)
screen is not selfie friendly
Meta to Introduce 'AI-Generated' Labels for Media starting next monthLandscape Comparison
Pentax K-70 as a Landscape photography camera
Sony A9 as a Landscape photography camera
manual focus
interchangeable lenses (Pentax KAF2 mount)
nice screen size (3")
image stabilization (Sensor based)
good MP (24 megapixels)
sensor size is decent (APS-C)
does not have anti aliasing filter
great high ISO (102,400)
delivers RAW files
environment proof
not so great battery life (410 per charge)
you can focus manually
swap lenses (Sony E mount)
screen size is good (3")
built in image stabilization (Sensor based 5-axis)
decent megapixels (24 megapixels)
sensor size is great (Full frame)
above average high ISO (51,200)
delivers RAW formats
environment proof
good battery life (650 CIPA)
two card slots
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Vlogging with Pentax K-70
Vlogging with Sony A9
selfie friendly screen
image stabilization (Sensor based)
has face detection autofocus
high quality video (1920 x 1080 pixels)
comes with external mic support
heavier than competition (688g)
built-in touchscreen
built in image stabilization (Sensor based 5-axis)
has face detect focus
video resolution high (3840 x 2160 resolution)
does have mic socket
screen is not selfie friendly
Photography Glossary
Pentax K-70 vs Sony A9 Specifications
| Pentax K-70 | Sony Alpha A9 | |
|---|---|---|
| General Information | ||
| Brand Name | Pentax | Sony |
| Model type | Pentax K-70 | Sony Alpha A9 |
| Type | Entry-Level DSLR | Pro Mirrorless |
| Released | 2016-06-08 | 2017-04-19 |
| Physical type | Compact SLR | SLR-style mirrorless |
| Sensor Information | ||
| Processor | PRIME MII | BIONZ X |
| Sensor type | CMOS | BSI-CMOS |
| Sensor size | APS-C | Full frame |
| Sensor dimensions | 23.5 x 15.6mm | 35.6 x 23.8mm |
| Sensor surface area | 366.6mm² | 847.3mm² |
| Sensor resolution | 24 megapixel | 24 megapixel |
| Anti alias filter | ||
| Aspect ratio | 3:2 | 3:2 and 16:9 |
| Highest Possible resolution | 6000 x 4000 | 6000 x 4000 |
| Maximum native ISO | 102400 | 51200 |
| Maximum enhanced ISO | - | 204800 |
| Lowest native ISO | 100 | 100 |
| RAW photos | ||
| Lowest enhanced ISO | - | 50 |
| Autofocusing | ||
| Manual focusing | ||
| AF touch | ||
| AF continuous | ||
| Single AF | ||
| AF tracking | ||
| AF selectice | ||
| Center weighted AF | ||
| Multi area AF | ||
| 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 |
| Available lenses | 151 | 121 |
| Focal length multiplier | 1.5 | 1 |
| Screen | ||
| Type of screen | Fully Articulated | Tilting |
| Screen sizing | 3" | 3" |
| Resolution of screen | 921 thousand dots | 1,440 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Viewfinder Information | ||
| Viewfinder | Optical (pentaprism) | Electronic |
| Viewfinder resolution | - | 3,686 thousand dots |
| Viewfinder coverage | 100% | 100% |
| Viewfinder magnification | 0.63x | 0.78x |
| Features | ||
| Minimum shutter speed | 30 seconds | 30 seconds |
| Fastest shutter speed | 1/6000 seconds | 1/8000 seconds |
| Fastest silent shutter speed | - | 1/32000 seconds |
| Continuous shutter rate | 6.0 frames per second | 20.0 frames per second |
| Shutter priority | ||
| Aperture priority | ||
| Manually set exposure | ||
| Exposure compensation | Yes | Yes |
| Set WB | ||
| Image stabilization | ||
| Integrated flash | ||
| Flash distance | 12.00 m (at ISO 100) | no built-in flash |
| Flash modes | Auto, auto w/redeye reduction, flash on, flash + redeye reduction, slow sync, trailing curtain sync, manual | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
| Hot shoe | ||
| AEB | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment exposure | ||
| Average exposure | ||
| Spot exposure | ||
| Partial exposure | ||
| AF area exposure | ||
| Center weighted exposure | ||
| Video features | ||
| Supported video resolutions | 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) | - |
| Maximum video resolution | 1920x1080 | 3840x2160 |
| Video data format | MPEG-4, H.264 | MPEG-4, AVCHD, H.264 |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Built-In | Built-In |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | Optional | None |
| Physical | ||
| Environmental sealing | ||
| Water proofing | ||
| Dust proofing | ||
| Shock proofing | ||
| Crush proofing | ||
| Freeze proofing | ||
| Weight | 688 gr (1.52 lb) | 673 gr (1.48 lb) |
| Dimensions | 126 x 93 x 74mm (5.0" x 3.7" x 2.9") | 127 x 96 x 63mm (5.0" x 3.8" x 2.5") |
| DXO scores | ||
| DXO Overall rating | not tested | 92 |
| DXO Color Depth rating | not tested | 24.9 |
| DXO Dynamic range rating | not tested | 13.3 |
| DXO Low light rating | not tested | 3517 |
| Other | ||
| Battery life | 410 photographs | 650 photographs |
| Battery type | Battery Pack | Battery Pack |
| Battery ID | - | NP-FZ100 |
| Self timer | Yes (2 or 12 secs, continuous) | Yes (2, 5, 10 secs + continuous) |
| Time lapse shooting | ||
| Storage type | SD/SDHC/SDXC (UHS-I compatible) | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
| Card slots | 1 | Dual |
| Price at release | $649 | $4,498 |