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Olympus 7040 vs Pentax K-x

Portability
95
Imaging
37
Features
31
Overall
34
Olympus Stylus 7040 front
 
Pentax K-x front
Portability
69
Imaging
52
Features
47
Overall
50

Olympus 7040 vs Pentax K-x Key Specs

Olympus 7040
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 64 - 1600
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-196mm (F3.0-5.9) lens
  • 144g - 95 x 56 x 26mm
  • Announced January 2010
  • Alternative Name is mju 7040
Pentax K-x
(Full Review)
  • 12MP - APS-C Sensor
  • 2.7" Fixed Display
  • ISO 100 - 6400 (Expand to 12800)
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 580g - 123 x 92 x 68mm
  • Released December 2009
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Olympus 7040 vs Pentax K-x Overview

Lets take a deeper look at the Olympus 7040 and Pentax K-x, former being a Small Sensor Compact while the other is a Entry-Level DSLR by brands Olympus and Pentax. The sensor resolution of the 7040 (14MP) and the K-x (12MP) is very close but the 7040 (1/2.3") and K-x (APS-C) come with different sensor dimensions.

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The 7040 was revealed within a month of the K-x so they are both of a similar age. The two cameras come with different body type with the Olympus 7040 being a Compact camera and the Pentax K-x being a Compact SLR camera.

Before delving in to a more detailed comparison, below is a simple synopsis of how the 7040 scores vs the K-x when it comes to portability, imaging, features and an overall rating.

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Reasons to pick Olympus 7040 over the Pentax K-x

 7040 K-x 
Display dimension3"2.7"Larger display (+0.3")

Reasons to pick Pentax K-x over the Olympus 7040

 K-x 7040 
Manual focus Dial exact focus

Common features in the Olympus 7040 and Pentax K-x

 7040 K-x 
ReleasedJanuary 2010December 2009Same age
Display typeFixed Fixed Fixed display
Display resolution230k230kExact same display resolution
Selfie screen No selfie screen
Touch friendly display No Touch friendly display

Olympus 7040 vs Pentax K-x Physical Comparison

For those who are looking to carry your camera often, you will have to factor in its weight and volume. The Olympus 7040 has physical dimensions of 95mm x 56mm x 26mm (3.7" x 2.2" x 1.0") having a weight of 144 grams (0.32 lbs) while the Pentax K-x has sizing of 123mm x 92mm x 68mm (4.8" x 3.6" x 2.7") along with a weight of 580 grams (1.28 lbs).

Contrast the Olympus 7040 and Pentax K-x in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will change based on the lens you have attached at that moment. The following is the front view physical size comparison of the 7040 against the K-x.

Olympus 7040 vs Pentax K-x size comparison

Considering dimensions and weight, the portability rating of the 7040 and K-x is 95 and 69 respectively.

Olympus 7040 vs Pentax K-x top view buttons comparison

Olympus 7040 vs Pentax K-x Sensor Comparison

Quite often, it is very hard to imagine the gap in sensor sizing purely by viewing a spec sheet. The photograph below will help give you a greater sense of the sensor dimensions in the 7040 and K-x.

As you can see, both of these cameras posses different resolutions and different sensor sizing. The 7040 having a smaller sensor is going to make achieving shallower DOF harder and the Olympus 7040 will result in more detail because of its extra 2 Megapixels. Greater resolution can also make it easier to crop images somewhat more aggressively.

Olympus 7040 vs Pentax K-x sensor size comparison

Olympus 7040 vs Pentax K-x Screen and ViewFinder

Olympus 7040 vs Pentax K-x Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus 7040 Portrait photography details
Pentax K-x Portrait photography details
28
good megapixels (14 megapixels)
focusing manually not possible
manual exposure not possible
external flash not possible
sensor is small (1/2.3")
doesn't have RAW support
63
has manual focus
sensor size is decent (APS-C)
includes face detection focus
saves RAW formats
sensor resolution low (12 megapixels)
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Street Comparison

Olympus 7040 as a Street photography camera
Pentax K-x as a Street photography camera
57
has image stabilization (Sensor-shift)
no articulating screen
sensor is small (1/2.3")
doesn't have RAW support
67
image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW formats
no articulating screen
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Sports Comparison

Sports photography with Olympus 7040
Sports photography with Pentax K-x
39
has image stabilization (Sensor-shift)
good megapixels (14 megapixels)
provides tracking focus
slow fps (1.0 frames per second)
no shutter priority mode
sensor is small (1/2.3")
doesn't have phase detect auto focus
61
max shutter speed is good (1/6,000 seconds)
image stabilization (Sensor based)
sensor size is decent (APS-C)
great battery (1,900 CIPA)
has phase detect auto focus
very slow continuous shooting (5.0 frames per second)
sensor resolution low (12 megapixels)
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Travel Comparison

Olympus 7040 Travel photography details
Pentax K-x Travel photography details
65
good megapixels (14MP)
flash built-in
decently wide (28mm)
no Time Lapse recording
display isn't selfie friendly
slow maximum aperture (f3.0)
54
great battery (1,900 per charge)
built-in flash
no Time Lapse function
sensor resolution low (12MP)
doesn't posses selfie friendly screen
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Landscape Comparison

Olympus 7040 Landscape photography highlights
Pentax K-x Landscape photography highlights
42
decently wide (28mm)
screen size is good (3 inch)
has image stabilization (Sensor-shift)
good megapixels (14MP)
focusing manually not possible
fixed lens (fixed lens mount)
slow maximum aperture (f3.0)
manual exposure not possible
sensor is small (1/2.3")
doesn't have RAW support
no Time Lapse recording
61
has manual focus
swap lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW formats
great battery (1,900 CIPA)
screen is somewhat small (2.7")
sensor resolution low (12 megapixels)
no Time Lapse function
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Vlogging Comparison

Olympus 7040 Vlogging features
Pentax K-x Vlogging features
29
decently wide (28mm)
has image stabilization (Sensor-shift)
slow maximum aperture (f3.0)
display isn't selfie friendly
low quality video (1280 x 720 pxls)
no mic support
27
image stabilization (Sensor based)
includes face detection focus
doesn't posses selfie friendly screen
video quality not great (1280 x 720 resolution)
no external mic socket
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Olympus 7040 vs Pentax K-x Specifications

Detailed spec comparison table for Olympus 7040 and Pentax K-x
 Olympus Stylus 7040Pentax K-x
General Information
Make Olympus Pentax
Model type Olympus Stylus 7040 Pentax K-x
Also referred to as mju 7040 -
Type Small Sensor Compact Entry-Level DSLR
Announced 2010-01-07 2009-12-23
Physical type Compact Compact SLR
Sensor Information
Chip TruePic III Prime
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.08 x 4.56mm 23.6 x 15.8mm
Sensor area 27.7mm² 372.9mm²
Sensor resolution 14 megapixels 12 megapixels
Anti alias filter
Aspect ratio 4:3 and 16:9 3:2
Maximum resolution 4288 x 3216 4288 x 2848
Maximum native ISO 1600 6400
Maximum boosted ISO - 12800
Min native ISO 64 100
RAW files
Autofocusing
Manual focusing
Touch focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points - 11
Lens
Lens support fixed lens Pentax KAF2
Lens zoom range 28-196mm (7.0x) -
Maximum aperture f/3.0-5.9 -
Macro focusing range 2cm -
Amount of lenses - 151
Crop factor 5.9 1.5
Screen
Screen type Fixed Type Fixed Type
Screen size 3 inches 2.7 inches
Resolution of screen 230k dots 230k dots
Selfie friendly
Liveview
Touch screen
Screen technology - TFT LCD monitor
Viewfinder Information
Viewfinder None Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Slowest shutter speed 4 seconds 30 seconds
Maximum shutter speed 1/2000 seconds 1/6000 seconds
Continuous shooting rate 1.0 frames per second 5.0 frames per second
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Set white balance
Image stabilization
Integrated flash
Flash distance 5.70 m 16.00 m
Flash options Auto, On, Off, Red-eye, Fill-in Auto, On, Off, Red-Eye, Slow Sync, Rear curtain, Wireless
External flash
Auto exposure bracketing
WB bracketing
Maximum flash synchronize - 1/180 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1280 x 720 (30 fps) 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 1280 x 720 (24 fps), 640 x 416 (24 fps)
Maximum video resolution 1280x720 1280x720
Video file format Motion JPEG Motion JPEG
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 144 gr (0.32 pounds) 580 gr (1.28 pounds)
Dimensions 95 x 56 x 26mm (3.7" x 2.2" x 1.0") 123 x 92 x 68mm (4.8" x 3.6" x 2.7")
DXO scores
DXO All around rating not tested 72
DXO Color Depth rating not tested 22.8
DXO Dynamic range rating not tested 12.5
DXO Low light rating not tested 811
Other
Battery life - 1900 pictures
Style of battery - Battery Pack
Battery ID - 4 x AA
Self timer Yes (2 or 12 seconds) Yes (2 or 12 sec)
Time lapse recording
Storage type SC/SDHC, Internal SD/SDHC card
Card slots One One
Launch pricing $299 $600