Pentax K-7 vs Sony A9
60 Imaging
54 Features
69 Overall
60


65 Imaging
73 Features
93 Overall
81
Pentax K-7 vs Sony A9 Key Specs
(Full Review)
- 15MP - APS-C Sensor
- 3" Fixed Display
- ISO 100 - 2000 (Push to 6400)
- Sensor based Image Stabilization
- 1/8000s Max Shutter
- 1280 x 720 video
- Pentax KAF2 Mount
- 750g - 131 x 97 x 73mm
- Announced October 2009
- Refreshed by Pentax K-5
(Full Review)
- 24MP - Full frame Sensor
- 3" Tilting Display
- ISO 100 - 51200 (Push to 204800)
- Sensor based 5-axis Image Stabilization
- 1/8000s Maximum Shutter
- 3840 x 2160 video
- Sony E Mount
- 673g - 127 x 96 x 63mm
- Introduced April 2017
- Later Model is Sony A9 II

Pentax K-7 vs Sony A9 Overview
Let's take a closer look at the Pentax K-7 vs Sony A9, former is a Advanced DSLR while the other is a Pro Mirrorless by brands Pentax and Sony. There exists a substantial gap between the image resolutions of the K-7 (15MP) and A9 (24MP) and the K-7 (APS-C) and A9 (Full frame) possess totally different sensor dimensions.

The K-7 was announced 8 years before the A9 which is quite a big difference as far as technology is concerned. Both of these cameras offer different body type with the Pentax K-7 being a Mid-size SLR camera and the Sony A9 being a SLR-style mirrorless camera.
Before getting straight into a thorough comparison, below is a short synopsis of how the K-7 grades against the A9 with respect to portability, imaging, features and an overall mark.

Pentax K-7 vs Sony A9 Gallery
Following is a sample of the gallery pics for Pentax K-7 & Sony Alpha A9. The whole galleries are available at Pentax K-7 Gallery & Sony A9 Gallery.
Reasons to pick Pentax K-7 over the Sony A9
K-7 | A9 |
---|
Reasons to pick Sony A9 over the Pentax K-7
A9 | K-7 | |||
---|---|---|---|---|
Introduced | April 2017 | ![]() | October 2009 | Newer by 91 months |
Display type | Tilting | ![]() | Fixed | Tilting display |
Display resolution | 1440k | ![]() | 921k | Sharper display (+519k dot) |
Touch display | ![]() | Easily navigate |
Common features in the Pentax K-7 and Sony A9
K-7 | A9 | |||
---|---|---|---|---|
Manually focus | ![]() | More exact focus | ||
Display sizing | 3" | ![]() | 3" | Equivalent display sizing |
Selfie screen | ![]() | Lack of selfie screen |
Pentax K-7 vs Sony A9 Physical Comparison
In case you're looking to travel with your camera regularly, you are going to need to factor its weight and volume. The Pentax K-7 comes with external measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") with a weight of 750 grams (1.65 lbs) and the Sony A9 has sizing of 127mm x 96mm x 63mm (5.0" x 3.8" x 2.5") having a weight of 673 grams (1.48 lbs).
Examine the Pentax K-7 vs Sony A9 in our completely new Camera plus Lens Size Comparison Tool.
Take into account, the weight of an ILC will vary dependant on the lens you have at that time. Underneath is the front view over all size comparison of the K-7 versus the A9.

Considering dimensions and weight, the portability grade of the K-7 and A9 is 60 and 65 respectively.

Pentax K-7 vs Sony A9 Sensor Comparison
Sometimes, it is difficult to visualise the difference between sensor dimensions only by reviewing specifications. The picture here might offer you a more clear sense of the sensor measurements in the K-7 and A9.
To sum up, the two cameras enjoy different resolutions and different sensor dimensions. The K-7 using its tinier sensor will make getting shallow depth of field more challenging and the Sony A9 will offer more detail with its extra 9 Megapixels. Greater resolution will also let you crop photos far more aggressively. The more aged K-7 is going to be behind when it comes to sensor tech.

Pentax K-7 vs Sony A9 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K-7 vs Sony A9 Specifications
Pentax K-7 | Sony Alpha A9 | |
---|---|---|
General Information | ||
Make | Pentax | Sony |
Model | Pentax K-7 | Sony Alpha A9 |
Category | Advanced DSLR | Pro Mirrorless |
Announced | 2009-10-02 | 2017-04-19 |
Body design | Mid-size SLR | SLR-style mirrorless |
Sensor Information | ||
Processor Chip | Prime II | BIONZ X |
Sensor type | CMOS | BSI-CMOS |
Sensor size | APS-C | Full frame |
Sensor dimensions | 23.4 x 15.6mm | 35.6 x 23.8mm |
Sensor surface area | 365.0mm² | 847.3mm² |
Sensor resolution | 15 megapixel | 24 megapixel |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Max resolution | 4672 x 3104 | 6000 x 4000 |
Max native ISO | 2000 | 51200 |
Max enhanced ISO | 6400 | 204800 |
Lowest native ISO | 100 | 100 |
RAW data | ||
Lowest enhanced ISO | - | 50 |
Autofocusing | ||
Focus manually | ||
Touch focus | ||
Continuous autofocus | ||
Single autofocus | ||
Autofocus tracking | ||
Selective autofocus | ||
Center weighted autofocus | ||
Autofocus multi area | ||
Autofocus live view | ||
Face detect focus | ||
Contract detect focus | ||
Phase detect focus | ||
Number of focus points | 11 | 693 |
Lens | ||
Lens mounting type | Pentax KAF2 | Sony E |
Total lenses | 151 | 121 |
Crop factor | 1.5 | 1 |
Screen | ||
Range of display | Fixed Type | Tilting |
Display size | 3 inches | 3 inches |
Resolution of display | 921 thousand dot | 1,440 thousand dot |
Selfie friendly | ||
Liveview | ||
Touch screen | ||
Display technology | TFT color LCD with AR coating | - |
Viewfinder Information | ||
Viewfinder | Optical (pentaprism) | Electronic |
Viewfinder resolution | - | 3,686 thousand dot |
Viewfinder coverage | 100% | 100% |
Viewfinder magnification | 0.61x | 0.78x |
Features | ||
Min shutter speed | 30 seconds | 30 seconds |
Max shutter speed | 1/8000 seconds | 1/8000 seconds |
Max quiet shutter speed | - | 1/32000 seconds |
Continuous shutter speed | 5.0 frames per sec | 20.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Manually set exposure | ||
Exposure compensation | Yes | Yes |
Set white balance | ||
Image stabilization | ||
Integrated flash | ||
Flash range | 13.00 m | no built-in flash |
Flash settings | Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless | Flash off, Autoflash, Fill-flash, Slow Sync., Rear Sync., Red-eye reduction, Wireless, Hi-speed sync |
External flash | ||
Auto exposure bracketing | ||
White balance bracketing | ||
Max flash sync | 1/180 seconds | - |
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Video resolutions | 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) | - |
Max video resolution | 1280x720 | 3840x2160 |
Video format | Motion JPEG | MPEG-4, AVCHD, H.264 |
Mic jack | ||
Headphone jack | ||
Connectivity | ||
Wireless | None | Built-In |
Bluetooth | ||
NFC | ||
HDMI | ||
USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
GPS | None | None |
Physical | ||
Environment seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 750 gr (1.65 lb) | 673 gr (1.48 lb) |
Dimensions | 131 x 97 x 73mm (5.2" x 3.8" x 2.9") | 127 x 96 x 63mm (5.0" x 3.8" x 2.5") |
DXO scores | ||
DXO Overall score | 61 | 92 |
DXO Color Depth score | 22.6 | 24.9 |
DXO Dynamic range score | 10.6 | 13.3 |
DXO Low light score | 536 | 3517 |
Other | ||
Battery life | 980 shots | 650 shots |
Type of battery | Battery Pack | Battery Pack |
Battery model | D-LI90 | NP-FZ100 |
Self timer | Yes (2 or 10 sec) | Yes (2, 5, 10 secs + continuous) |
Time lapse recording | ||
Type of storage | SD/SDHC/MMC | Dual SD/SDHC/SDXC slots (UHS-II compatible) |
Storage slots | Single | 2 |
Cost at release | $599 | $4,498 |