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Olympus 7040 vs Pentax K-r

Portability
95
Imaging
36
Features
31
Overall
34
Olympus Stylus 7040 front
 
Pentax K-r front
Portability
67
Imaging
53
Features
52
Overall
52

Olympus 7040 vs Pentax K-r Key Specs

Olympus 7040
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 64 - 1600
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-196mm (F3.0-5.9) lens
  • 144g - 95 x 56 x 26mm
  • Released January 2010
  • Also Known as mju 7040
Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 12800 (Expand to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Revealed March 2011
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Olympus 7040 vs Pentax K-r Overview

Let's look more closely at the Olympus 7040 and Pentax K-r, one being a Small Sensor Compact and the other is a Entry-Level DSLR by companies Olympus and Pentax. The image resolution of the 7040 (14MP) and the K-r (12MP) is fairly well matched but the 7040 (1/2.3") and K-r (APS-C) enjoy totally different sensor measurements.

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The 7040 was introduced 14 months prior to the K-r making the cameras a generation apart from each other. The two cameras come with different body type with the Olympus 7040 being a Compact camera and the Pentax K-r being a Compact SLR camera.

Before going in to a thorough comparison, below is a quick view of how the 7040 grades against the K-r in relation to portability, imaging, features and an overall grade.

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Reasons to pick Olympus 7040 over the Pentax K-r

 7040 K-r 

Reasons to pick Pentax K-r over the Olympus 7040

 K-r 7040 
RevealedMarch 2011January 2010More recent by 14 months
Manual focus More exact focus
Display resolution921k230kClearer display (+691k dot)

Common features in the Olympus 7040 and Pentax K-r

 7040 K-r 
Display typeFixed Fixed Fixed display
Display dimension3"3"Identical display measurements
Selfie screen Missing selfie screen
Touch display Missing Touch display

Olympus 7040 vs Pentax K-r Physical Comparison

If you are going to lug around your camera frequently, you have to factor its weight and measurements. The Olympus 7040 has physical dimensions of 95mm x 56mm x 26mm (3.7" x 2.2" x 1.0") with a weight of 144 grams (0.32 lbs) whilst the Pentax K-r has proportions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") with a weight of 598 grams (1.32 lbs).

Take a look at the Olympus 7040 and Pentax K-r in the new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will vary depending on the lens you choose during that time. Here is the front view physical size comparison of the 7040 versus the K-r.

Olympus 7040 vs Pentax K-r size comparison

Taking into account size and weight, the portability rating of the 7040 and K-r is 95 and 67 respectively.

Olympus 7040 vs Pentax K-r top view buttons comparison

Olympus 7040 vs Pentax K-r Sensor Comparison

Usually, it's difficult to envision the gap between sensor measurements purely by looking at technical specs. The graphic below should provide you a far better sense of the sensor dimensions in the 7040 and K-r.

As you can tell, both cameras posses different megapixels and different sensor measurements. The 7040 having a tinier sensor will make getting shallower DOF harder and the Olympus 7040 will give you greater detail using its extra 2 Megapixels. Greater resolution will enable you to crop pics somewhat more aggressively. The older 7040 is going to be disadvantaged when it comes to sensor tech.

Olympus 7040 vs Pentax K-r sensor size comparison

Olympus 7040 vs Pentax K-r Screen and ViewFinder

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

Portrait Comparison

Olympus 7040 Portrait photography features
Pentax K-r Portrait photography features
28
resolution is good (14MP)
focusing manually not possible
manual exposure not available
no external flash support
very small sensor size (1/2.3")
has no RAW support
63
you can focus manually
good sensor size (APS-C)
offers face detect focus
exports RAW formats
low MP (12MP)
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Street Comparison

Street photography with Olympus 7040
Street photography with Pentax K-r
57
image stabilization (Sensor-shift)
fixed screen
very small sensor size (1/2.3")
has no RAW support
67
image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW formats
screen does not articulate
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Sports Comparison

Olympus 7040 Sports photography factors
Pentax K-r Sports photography factors
39
image stabilization (Sensor-shift)
resolution is good (14 megapixels)
provides tracking autofocus
max fps low (1.0 fps)
no shutter priority
very small sensor size (1/2.3")
has no phase detect AF
55
high shutter speed (1/6,000s)
image stabilization (Sensor based)
good sensor size (APS-C)
has phase detect auto focus
max fps very slow (6.0 fps)
low MP (12MP)
bad battery power (470 shots)
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Travel Comparison

Olympus 7040 Travel photography advice
Pentax K-r Travel photography advice
65
resolution is good (14MP)
flash built-in
quite wide (28mm)
missing Time Lapse function
does not feature selfie friendly display
somewhat slow maximum aperture (f3.0)
47
has built in flash
bad battery power (470 shots)
low MP (12 megapixels)
doesn't have selfie friendly display
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Landscape Comparison

Landscape photography with Olympus 7040
Landscape photography with Pentax K-r
42
quite wide (28mm)
screen is a good size (3")
image stabilization (Sensor-shift)
resolution is good (14MP)
focusing manually not possible
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f3.0)
manual exposure not available
very small sensor size (1/2.3")
has no RAW support
missing Time Lapse function
65
you can focus manually
switch lenses (Pentax KAF2 mount)
nice screen size (3 inches)
image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW formats
low MP (12 megapixels)
bad battery power (470 CIPA)
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Vlogging Comparison

Vlogging with Olympus 7040
Vlogging with Pentax K-r
29
quite wide (28mm)
image stabilization (Sensor-shift)
somewhat slow maximum aperture (f3.0)
does not feature selfie friendly display
video resolution low (1280 x 720 pxls)
missing external mic jack
26
image stabilization (Sensor based)
offers face detect focus
doesn't have selfie friendly display
video res low (1280 x 720 pixels)
doesn't have microphone port
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Olympus 7040 vs Pentax K-r Specifications

Detailed spec comparison table for Olympus 7040 and Pentax K-r
 Olympus Stylus 7040Pentax K-r
General Information
Manufacturer Olympus Pentax
Model type Olympus Stylus 7040 Pentax K-r
Otherwise known as mju 7040 -
Type Small Sensor Compact Entry-Level DSLR
Released 2010-01-07 2011-03-11
Body design Compact Compact SLR
Sensor Information
Processor TruePic III Prime II
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 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
Full resolution 4288 x 3216 4288 x 2848
Max native ISO 1600 12800
Max boosted ISO - 25600
Min native ISO 64 200
RAW images
Min boosted ISO - 100
Autofocusing
Focus manually
Touch focus
Continuous AF
Single AF
Tracking AF
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points - 11
Cross type focus points - 9
Lens
Lens mount type fixed lens Pentax KAF2
Lens zoom range 28-196mm (7.0x) -
Maximal aperture f/3.0-5.9 -
Macro focusing range 2cm -
Available lenses - 151
Crop factor 5.9 1.5
Screen
Range of display Fixed Type Fixed Type
Display size 3 inch 3 inch
Display resolution 230k dot 921k dot
Selfie friendly
Liveview
Touch operation
Display tech - TFT LCD monitor
Viewfinder Information
Viewfinder None Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Lowest shutter speed 4 secs 30 secs
Highest shutter speed 1/2000 secs 1/6000 secs
Continuous shooting speed 1.0 frames per second 6.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation - Yes
Set WB
Image stabilization
Integrated flash
Flash distance 5.70 m 12.00 m (at ISO 100)
Flash options Auto, On, Off, Red-eye, Fill-in Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync
External flash
Auto exposure bracketing
White balance bracketing
Highest flash sync - 1/180 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30 fps) 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) 1280 x 720 (25 fps), 640 x 480 (25 fps)
Max video resolution 1280x720 1280x720
Video data format Motion JPEG Motion JPEG
Microphone jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 144 gr (0.32 pounds) 598 gr (1.32 pounds)
Dimensions 95 x 56 x 26mm (3.7" x 2.2" x 1.0") 125 x 97 x 68mm (4.9" x 3.8" x 2.7")
DXO scores
DXO All around rating not tested 72
DXO Color Depth rating not tested 22.9
DXO Dynamic range rating not tested 12.4
DXO Low light rating not tested 755
Other
Battery life - 470 photographs
Type of battery - Battery Pack
Battery ID - D-LI109,4 x AA
Self timer Yes (2 or 12 seconds) Yes (2 or 12 sec)
Time lapse feature
Type of storage SC/SDHC, Internal SD/SDHC
Storage slots 1 1
Retail pricing $299 $1,100