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Products in this category are evaluated mathematically under Frontumo Cameras Methodology v1.0 using verified laboratory benchmarks, technical specifications, and authentic consumer ratings with 0% commercial bias.
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Pentax K-x Review | 108 Data compared

Avg. price:~£530Sensor size:APS-CWeight:580 gBattery life (CIPA):210 shots

Pentax K-x Review: Compare 108 technical specifications and user reviews to see how this product ranks in the Cameras category and whether it is worth buying.

4.9

Overall score

Score
4.9/ 10
✕
What it is
An overall evaluation of the camera's quality, based on technical analyses and user reviews.
When it matters
When you need a quick reference to identify the best cameras on the market.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

90%

4.9

Technical score

10%

?

User score

â–¼Worse than 63% of cameras
4.9

Technical score

Technical score
4.9/ 10
✕
What it is
An assessment of technical performance for products in the Cameras category across these key areas: Sensor & Image, Photo Features, Video & Audio, Display & Design, Battery & Power, Connectivity & Storage.
When it matters
When you want to compare cameras based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

28%

6.0

Sensor & Image

25%

6.2

Photo Features

18%

3.6

Video & Audio

14%

4.2

Display & Design

8%

3.4

Battery & Power

7%

2.0

Connectivity & Storage

â–¼Worse than 56% of cameras
?

User score

User score
8.0/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the camera.
When it matters
When real-world owner satisfaction and review volume matter to your decision.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

70%

?

User ratings

30%

?

Number of reviews

  • No image
No image

Best prices

    N/A~ £530

Best rankings

Available: ranking among products currently available (including other versions of this product).All: ranking among all products in the database.
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Technical Specifications of camera Pentax K-x

Technical score
Technical score
4.9/ 10
✕
What it is
An assessment of technical performance for products in the Cameras category across these key areas: Sensor & Image, Photo Features, Video & Audio, Display & Design, Battery & Power, Connectivity & Storage.
When it matters
When you want to compare cameras based on technical performance and available features.
Score distribution
â–¼
<55-66-77-88-99-10
Score components:

28%

6.0

Sensor & Image

25%

6.2

Photo Features

18%

3.6

Video & Audio

14%

4.2

Display & Design

8%

3.4

Battery & Power

7%

2.0

Connectivity & Storage

4.9
User score
User score
8.0/ 10
✕
What it is
A rating that combines user reviews and the total number of reviews received by the camera.
When it matters
When real-world owner satisfaction and review volume matter to your decision.
Score distribution
â–¼
<55-66-77-88-99-10
Score components

70%

?

User ratings

30%

?

Number of reviews

?
Popularity
Popularity
1.0/ 10
✕
What it is
An indicator based on the number of reviews received by the camera.
When it matters
When you want to see which cameras attract the most buyer attention and review activity.
Score distribution
â–¼
<55-66-77-88-99-10
Popularity:
Pentax K-x has a popularity score of 1, which is lower than 51.3% of cameras.
1.0
Value for money
Value for money
5.7/ 10
✕
What it is
An indicator that combines the camera's overall rating with its cost.
When it matters
When you want to know how much overall quality you get for the price.
Score distribution
â–¼
<55-66-77-88-99-10
Score components:

60%

4.9

Overall score

40%

7.7

Price

5.7
Sensor size
APS-C
Sensor size
APS-C
This camera uses a sensor classified as APS-C; it is larger than the sensor in 57.4% of cameras and the same size as the sensor in 25.7% of cameras.
Main camera megapixels
12.4 MP
Main camera megapixels
12.4 MP
This camera has a sensor resolution of 12.4 MP, which is lower than that of 82.9% of cameras and equal to that of 0.8% of cameras.
Main camera pixel size
5.49 µm
Main camera pixel size
5.49 µm
This camera has sensor pixels measuring 5.49 µm, which are larger than those in 87.3% of cameras and the same size as those in 0.1% of cameras.
Base ISO
200
Base ISO
200
This camera has a base ISO of 200 which is higher than that of 84.7% of cameras and equal to that of 13.9% of cameras.
Max ISO
ISO 6400 ISO
Max ISO
ISO 6,400
This camera reaches a maximum sensitivity of ISO 6,400, which is higher than that of 37.3% of cameras and equal to that of 16.2% of cameras.
Show more
Lens mount
Pentax KAF2
Built-in focus motor
yes
Built-in focus motor
yes
This camera has a built-in focus motor. 10.9% of cameras have a built-in focus motor.
N. of focus points
11
N. of focus points
11
This camera has 11 focus points, fewer than the number offered by 60.4% of cameras and equal to the number offered by 6.5% of cameras.
Phase-detection autofocus (photos)
yes
Phase-detection autofocus (photos)
yes
This camera supports phase-detection autofocus for photos. 37.3% of cameras support phase-detection autofocus for photos.
AF tracking
yes
AF tracking
yes
This camera supports AF tracking. This feature is available on 88% of cameras.
Show more
Max video resolution
1,280 px
Max video resolution
1,280 px
This camera supports 1,280 px video recording which is lower quality than that of 71.4% of cameras and equal to that of 18.5% of cameras.
Video bitrate
46 Mbps
Video bitrate
46 Mbps
This camera has a video bitrate of 46 Mbps which is higher than that of 66.3% of cameras and equal to that of 1.1% of cameras.
Video bit depth
8 bit
Video bit depth
8 bit
This camera supports video at 8 bit, a bit depth higher than that of 7.8% of cameras and equal to that of 80.6% of cameras.
Video chroma subsampling
4:2:2
Video chroma subsampling
4:2:2
This camera supports 4:2:2 video chroma subsampling which is more advanced than that of 77.9% of cameras and equal to that of 22.1% of cameras.
Video codecs
Motion JPEG
Show more
Type
dslr
Weight
580 g
Weight
580 g
This camera weighs 580 g which is heavier than 71.8% of cameras and equal to the weight of 0.3% of cameras.
Width
122.5 mm
Width
122.5 mm
This camera has a width of 122.5 mm which is wider than 55.5% of cameras and equal to that of 1.2% of cameras.
Height
91.5 mm
Height
91.5 mm
This camera has a height of 91.5 mm which is taller than 68.9% of cameras and equal to that of 0.2% of cameras.
Thickness
67.5 mm
Thickness
67.5 mm
This camera has a thickness of 67.5 mm which is thicker than 61.4% of cameras and equal to that of 0.3% of cameras.
Show more
Battery life (CIPA)
210 shots
Battery life (CIPA)
210 shots
This camera has a CIPA-rated battery life of 210 shots, which is shorter than that of 86.9% of cameras and equal to that of 3.4% of cameras.
1900 with lithium AA.
Battery capacity
N/A
Removable battery
yes
Removable battery
yes
This camera has a removable battery, and 98.7% of cameras include one.
Uses 4x AA batteries.
USB Power Delivery (PD)
no
USB Power Delivery (PD)
no
This camera does not support USB Power Delivery. 10.1% of cameras support USB Power Delivery.
Wi-Fi connectivity
no
Wi-Fi connectivity
no
This camera does not support Wi-Fi. 47.9% of cameras include this feature.
Wi-Fi version
N/A
Bluetooth connectivity
no
Bluetooth connectivity
no
This camera does not have Bluetooth. 22.7% of cameras support Bluetooth.
Bluetooth version
N/A
USB Type-C
no
USB Type-C
no
This camera does not include USB Type-C. 14.6% of cameras use USB-C.
Show more

Pentax K-x vs the average camera

246810TotalDisplay & DesignSensor & ImagePhoto FeaturesVideo & AudioBattery & PowerConnectivity & Storage
  • In-body stabilization
    Sensor-shift stabilization
    yes
    This camera supports in-body stabilization, the average camera does not.
  • Phase-detect AF for photos
    Phase-detection autofocus (photos)
    yes
    This camera supports phase-detection autofocus for photos, the average camera does not.
  • 2.15 µm larger sensor pixels
    Main camera pixel size
    5.49 µm
    This camera has larger sensor pixels than the average camera (5.5 µm vs 3.34 µm). The average sensor pixel size is 3.34 µm.
    5.49 µm vs 3.34 µm
  • Sensor cleaning system
    Sensor cleaning system
    yes
    This camera includes a sensor cleaning system, the average camera does not.
    Ultrasonic vibration cleaning.
  • More complete chroma subsampling
    Video chroma subsampling
    4:2:2
    This camera supports better video chroma subsampling than the average camera (4:2:2 vs 4:2:0). The average camera supports 4:2:0 video chroma subsampling.
    4:2:2 vs 4:2:0
  • Better viewfinder type
    Viewfinder type
    optical
    This camera uses a more advanced viewfinder than the average camera (optical vs none).
    Pentamirror optical viewfinder.
    optical vs none
  • Built-in AF motor
    Built-in focus motor
    yes
    This camera has a built-in focus motor, the average camera does not.
  • Supports 24p cinema mode
    24p cinema mode
    yes
    This camera supports 24p cinema mode, the average camera does not. 44% of cameras support this mode.
  • Better viewfinder type
    Viewfinder type
    optical
    This camera uses a more advanced viewfinder than the average camera (optical vs none).
    Pentamirror optical viewfinder.
    optical vs none
  • 0.07 x more viewfinder magnification
    Viewfinder magnification
    0.85 x
    This camera has a higher viewfinder magnification than the average camera (0.9 x vs 0.78 x). The average camera has a viewfinder magnification of 0.78 x.
    0.85 x vs 0.78 x
  • 1 more customizable buttons
    Customizable button count
    1
    This camera has more customizable buttons than the average camera (1 vs 0). The average camera offers 0 customizable buttons.
    1 vs 0
  • 2.15 µm larger sensor pixels
    Main camera pixel size
    5.49 µm
    This camera has larger sensor pixels than the average camera (5.5 µm vs 3.34 µm). The average sensor pixel size is 3.34 µm.
    5.49 µm vs 3.34 µm
  • Sensor cleaning system
    Sensor cleaning system
    yes
    This camera includes a sensor cleaning system, the average camera does not.
    Ultrasonic vibration cleaning.
  • 100 higher base ISO
    Base ISO
    200
    This camera has a higher base ISO than the average camera (200 vs 100). The average camera has a base ISO of 100.
    200 vs 100
  • In-body stabilization
    Sensor-shift stabilization
    yes
    This camera supports in-body stabilization, the average camera does not.
  • Phase-detect AF for photos
    Phase-detection autofocus (photos)
    yes
    This camera supports phase-detection autofocus for photos, the average camera does not.
  • Built-in AF motor
    Built-in focus motor
    yes
    This camera has a built-in focus motor, the average camera does not.
  • More complete chroma subsampling
    Video chroma subsampling
    4:2:2
    This camera supports better video chroma subsampling than the average camera (4:2:2 vs 4:2:0). The average camera supports 4:2:0 video chroma subsampling.
    4:2:2 vs 4:2:0
  • Supports 24p cinema mode
    24p cinema mode
    yes
    This camera supports 24p cinema mode, the average camera does not. 44% of cameras support this mode.
  • 16 Mbps higher video bitrate
    Video bitrate
    46 Mbps
    This camera has a higher video bitrate than the average camera (46 Mbps vs 30 Mbps). The average camera records at 30 Mbps.
    46 Mbps vs 30 Mbps
  • Worse low-light autofocus
    AF low-light sensitivity
    1
    This camera has a worse low-light AF sensitivity than the average camera (1 EV vs -4 EV). The average camera reaches a low-light AF sensitivity of -4 EV.
    1 vs -4
  • 0.3 in smaller screen diagonal
    Screen size
    2.7 in
    This camera has a smaller screen than the average camera (2.7 in vs 3 in). The average camera has a screen size of 3 in.
    2.7 in vs 3 in
  • Lower sensor resolution
    Main camera megapixels
    12.4 MP
    This camera has a lower sensor resolution than the average camera (12.4 MP vs 16.2 MP). The average camera has a sensor resolution of 16.2 MP.
    12.4 MP vs 16.2 MP
  • Lower video resolution
    Max video resolution
    1,280 px
    This camera records lower-resolution video than the average camera (1280 px vs 1920 px). The average camera records at 1920 px.
    1280 px vs 1920 px
  • Lower RAW bit depth
    RAW bit depth
    12-bit
    This camera supports lower RAW bit depth than the average camera (12-bit vs 14-bit). The average camera supports 14-bit RAW capture.
    12-bit vs 14-bit
  • No continuous video AF
    Continuous autofocus (video)
    no
    This camera does not support continuous autofocus in video, the average camera does.
  • 4 % lower viewfinder coverage
    Viewfinder coverage
    96 %
    This camera has a lower viewfinder coverage than the average camera (96 % vs 100 %). The average camera has viewfinder coverage of 100 %.
    96 % vs 100 %
  • 1 fewer microphones
    N. of microphones
    1
    This camera has fewer microphones than the average camera (1 vs 2). The average camera has 2 microphones.
    1 vs 2
  • 93% less popular
    Pentax K-x is less popular than the average camera (1 vs 1.9).
    1 vs 1.93
  • 8.4% worse value for money
    Pentax K-x has a worse value-for-money score than the average camera (5.72 vs 6.2).
    5.72 vs 6.2
  • 82.8% more expensive
    Pentax K-x is more expensive than the average camera (£530 vs £290).
    £530 vs £290
  • 0.3 in smaller screen diagonal
    Screen size
    2.7 in
    This camera has a smaller screen than the average camera (2.7 in vs 3 in). The average camera has a screen size of 3 in.
    2.7 in vs 3 in
  • 4 % lower viewfinder coverage
    Viewfinder coverage
    96 %
    This camera has a lower viewfinder coverage than the average camera (96 % vs 100 %). The average camera has viewfinder coverage of 100 %.
    96 % vs 100 %
  • 185 g heavier
    Weight
    580 g
    This camera is heavier than the average camera (580 g vs 395 g). The average camera weighs 395 g.
    580 g vs 395 g
  • 17.6 mm taller body
    Height
    91.5 mm
    This camera is taller than the average camera (91.5 mm vs 73.9 mm). The average camera has a height of 73.9 mm.
    91.5 mm vs 73.9 mm
  • 21.5 mm thicker
    Thickness
    67.5 mm
    This camera is thicker than the average camera (67.5 mm vs 46 mm). The average camera has a thickness of 46 mm.
    67.5 mm vs 46 mm
  • Lower sensor resolution
    Main camera megapixels
    12.4 MP
    This camera has a lower sensor resolution than the average camera (12.4 MP vs 16.2 MP). The average camera has a sensor resolution of 16.2 MP.
    12.4 MP vs 16.2 MP
  • Lower RAW bit depth
    RAW bit depth
    12-bit
    This camera supports lower RAW bit depth than the average camera (12-bit vs 14-bit). The average camera supports 14-bit RAW capture.
    12-bit vs 14-bit
  • 4 older
    Release date
    2009
    This camera is older than the average camera (2009 vs 2013). The average camera was released in 2013.
    September 2009
    2,009 vs 2,013
  • 12,500 ISO lower extended sensitivity limit
    Max expanded ISO
    12,800 ISO
    This camera has a lower expanded ISO than the average camera (12800 ISO vs 25300 ISO). The average camera reaches an expanded ISO of 25300 ISO.
    12,800 ISO vs 25,300 ISO
  • 0.2 points lower DxOMark Portrait score
    DxOMark portrait score
    22.8 points
    This camera has a lower DxOMark portrait score than the average camera (22.8 points vs 23 points). The average camera scores 23.0 points.
    22.8 points vs 23.0 points
  • Worse low-light autofocus
    AF low-light sensitivity
    1
    This camera has a worse low-light AF sensitivity than the average camera (1 EV vs -4 EV). The average camera reaches a low-light AF sensitivity of -4 EV.
    1 vs -4
  • No manual exposure control
    Manual exposure
    no
    This camera does not support manual exposure, the average camera does. 72% of cameras support manual exposure controls.
  • 1 fps slower mechanical burst
    Continuous shooting (mechanical)
    4.7 fps
    This camera has a slower mechanical burst than the average camera (4.7 fps vs 5.7 fps). The average camera reaches 5.7 fps.
    4.7 fps vs 5.7 fps
  • 12 fewer AF points
    N. of focus points
    11
    This camera has fewer focus points than the average camera (11 vs 23). The average camera offers 23 focus points.
    11 vs 23
  • Lower video resolution
    Max video resolution
    1,280 px
    This camera records lower-resolution video than the average camera (1280 px vs 1920 px). The average camera records at 1920 px.
    1280 px vs 1920 px
  • No continuous video AF
    Continuous autofocus (video)
    no
    This camera does not support continuous autofocus in video, the average camera does.
  • 1 fewer microphones
    N. of microphones
    1
    This camera has fewer microphones than the average camera (1 vs 2). The average camera has 2 microphones.
    1 vs 2
  • 5 min shorter recording time
    Max video recording time
    25 min
    This camera records continuously for less time than the average camera (25 min vs 30 min). The average camera records for 30 min.
    25 min vs 30 min
  • 120 shots fewer shots per charge
    Battery life (CIPA)
    210 shots
    This camera has shorter battery life than the average camera (210 shots vs 330 shots). The average camera delivers 330 shots per charge.
    1900 with lithium AA.
    210 shots vs 330 shots
  • No HDMI output
    HDMI output
    no
    This camera does not support HDMI output, the average camera does. 78.7% of cameras support HDMI output.

Expert reviews

In-depth analysis and verdict from leading tech publications

D
dpreview.com
23/12/2009
Summary of the review
S
stevehuffphoto.com
22/07/2010
Summary of the review
P
photocrati.com
16/11/2009
Summary of the review
D
digital-photography-school.com
22/04/2010
Summary of the review
A
amateurphotographer.com
12/01/2023
Summary of the review
C
cnet.com
10/03/2010
Summary of the review
P
pentaxforums.com
02/10/2024
Summary of the review
D
digitalkamera.de
05/03/2010
Summary of the review
C
chip.de
23/12/2009
Summary of the review
C
connect-living.de
18/12/2009
Summary of the review
C
computerbild.de
09/12/2009
Summary of the review
C
computerbild.de
04/12/2009
Summary of the review
P
photoinfos.com
22/10/2026
Summary of the review
G
gradias.de
22/10/2026
Summary of the review
C
connect-living.de
19/11/2010
Summary of the review
L
lesnumeriques.com
24/11/2009
Summary of the review
0
01net.com
05/02/2010
Summary of the review
M
mobiworld.fr
22/10/2026
Summary of the review
C
competencephoto.com
15/07/2010
Summary of the review
L
lesnumeriques.com
24/11/2009
Summary of the review
C
camerarace.com
N/A
Summary of the review
L
lesnumeriques.com
18/10/2009
Summary of the review
L
lesnumeriques.com
24/11/2009
Summary of the review
F
fotografiastore.it
22/10/2026
Summary of the review
F
fotografie.nl
15/02/2010
Summary of the review

Third-party reviews

What we like about Pentax K-x

  • Excellent high-ISO and low-light performance with very good noise control
  • Compact, lightweight, and durable build quality
  • Convenient and globally accessible AA battery power source
  • Fast and accurate 11-point autofocus system
  • Creative built-in features like in-body image stabilization, HDR, and Cross Process
  • High continuous shooting speed for its class

What we don't like about Pentax K-x

  • Relies on AA batteries, which increases overall weight
  • Fewer physical dials and buttons limit quick, manual adjustments
  • Viewfinder lacks a display for autofocus points
  • Video mode is basic, lacking shake reduction and prone to exposure wobbling
  • In-body image stabilization can be inconsistent in high-speed shooting

Verdict

The Pentax K-x is a compact entry-level DSLR featuring a 12.4-megapixel APS-C CMOS sensor and the PRIME II imaging engine. Key technical specifications include an 11-point SAFOX VIII autofocus system, a 2.7-inch LCD with 230,000 dots, and a versatile ISO range of 200–6400, expandable to 100–12800. It offers 720p HD video recording at 24 fps, a maximum shutter speed of 1/6000 sec, and a continuous burst rate of 4.7 fps. Its main advantages are its portable, lightweight design, in-body sensor-shift shake reduction, and the convenience of using four standard AA batteries. However, it lacks an HDMI port and does not display active autofocus points within the pentamirror viewfinder.

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