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Olympus E-PM1 vs Pentax K-r

Portability
89
Imaging
48
Features
52
Overall
49
Olympus PEN E-PM1 front
 
Pentax K-r front
Portability
67
Imaging
53
Features
52
Overall
52

Olympus E-PM1 vs Pentax K-r Key Specs

Olympus E-PM1
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Display
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 265g - 110 x 64 x 34mm
  • Introduced November 2011
  • Newer Model is Olympus E-PM2
Pentax K-r
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 12800 (Bump to 25600)
  • Sensor based Image Stabilization
  • 1/6000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 598g - 125 x 97 x 68mm
  • Introduced March 2011
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Olympus E-PM1 vs Pentax K-r Overview

Below, we are looking at the Olympus E-PM1 vs Pentax K-r, one is a Entry-Level Mirrorless and the other is a Entry-Level DSLR by brands Olympus and Pentax. The resolution of the E-PM1 (12MP) and the K-r (12MP) is very similar but the E-PM1 (Four Thirds) and K-r (APS-C) possess totally different sensor measurements.

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The E-PM1 was unveiled 9 months after the K-r so they are of a similar generation. Both of these cameras come with different body type with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Pentax K-r being a Compact SLR camera.

Before we go through a in-depth comparison, below is a simple overview of how the E-PM1 grades vs the K-r with respect to portability, imaging, features and an overall mark.

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Reasons to pick Olympus E-PM1 over the Pentax K-r

 E-PM1 K-r 
IntroducedNovember 2011March 2011Newer by 9 months

Reasons to pick Pentax K-r over the Olympus E-PM1

 K-r E-PM1 
Display resolution921k460kSharper display (+461k dot)

Common features in the Olympus E-PM1 and Pentax K-r

 E-PM1 K-r 
Focus manually Dial precise focus
Display typeFixed Fixed Fixed display
Display dimension3"3"Identical display measurements
Selfie screen Absent selfie screen
Touch friendly display Neither comes with Touch friendly display

Olympus E-PM1 vs Pentax K-r Physical Comparison

For anyone who is aiming to travel with your camera often, you should consider its weight and dimensions. The Olympus E-PM1 comes with external measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") and a weight of 265 grams (0.58 lbs) whilst the Pentax K-r has dimensions of 125mm x 97mm x 68mm (4.9" x 3.8" x 2.7") along with a weight of 598 grams (1.32 lbs).

Look at the Olympus E-PM1 vs Pentax K-r in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will differ dependant on the lens you use at that time. Underneath is the front view proportions comparison of the E-PM1 and the K-r.

Olympus E-PM1 vs Pentax K-r size comparison

Using size and weight, the portability score of the E-PM1 and K-r is 89 and 67 respectively.

Olympus E-PM1 vs Pentax K-r top view buttons comparison

Olympus E-PM1 vs Pentax K-r Sensor Comparison

Oftentimes, it can be hard to visualise the difference between sensor dimensions merely by going over specs. The pic below might give you a far better sense of the sensor sizing in the E-PM1 and K-r.

All in all, both of those cameras posses the exact same MP but not the same sensor dimensions. The E-PM1 features the tinier sensor which should make achieving shallower DOF more difficult. The more recent E-PM1 will have a benefit with regard to sensor tech.

Olympus E-PM1 vs Pentax K-r sensor size comparison

Olympus E-PM1 vs Pentax K-r Screen and ViewFinder

Olympus E-PM1 vs Pentax K-r Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-PM1
Portrait photography with Pentax K-r
60
you can focus manually
sensor size is good (Four Thirds)
comes with face detection focusing
exports RAW formats
low resolution sensor (12 megapixels)
63
manual focus
sensor size is nice (APS-C)
comes with face detection focus
delivers RAW files
MP count low (12MP)
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Street Comparison

Street photography with Olympus E-PM1
Street photography with Pentax K-r
75
has image stabilization (Sensor based)
sensor size is good (Four Thirds)
exports RAW formats
fixed screen
67
image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW files
screen is fixed
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Sports Comparison

Olympus E-PM1 as a Sports photography camera
Pentax K-r as a Sports photography camera
49
has image stabilization (Sensor based)
sensor size is good (Four Thirds)
comes with tracking autofocus
slow frames per second (6.0 frames/s)
low resolution sensor (12MP)
doesn't have phase detect AF
55
high shutter speed (1/6,000 seconds)
image stabilization (Sensor based)
sensor size is nice (APS-C)
supports phase detect auto focus
low frames per second (6.0 frames per second)
MP count low (12 megapixels)
terrible battery life (470 CIPA)
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Travel Comparison

Olympus E-PM1 Travel photography advice
Pentax K-r Travel photography advice
45
no Timelapse mode
low resolution sensor (12 megapixels)
screen is not selfie friendly
47
has built in flash
terrible battery life (470 CIPA)
MP count low (12 megapixels)
display isn't selfie friendly
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Landscape Comparison

Olympus E-PM1 Landscape photography features
Pentax K-r Landscape photography features
65
you can focus manually
change lenses (Micro Four Thirds mount)
screen is a decent size (3")
has image stabilization (Sensor based)
sensor size is good (Four Thirds)
exports RAW formats
low resolution sensor (12MP)
no Timelapse mode
65
manual focus
switch lenses (Pentax KAF2 mount)
good sized screen (3 inches)
image stabilization (Sensor based)
sensor size is nice (APS-C)
delivers RAW files
MP count low (12MP)
terrible battery life (470 CIPA)
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Vlogging Comparison

Olympus E-PM1 Vlogging advice
Pentax K-r Vlogging advice
34
has image stabilization (Sensor based)
comes with face detection focusing
high video quality (1920 x 1080 resolution)
screen is not selfie friendly
no external microphone jack
26
image stabilization (Sensor based)
comes with face detection focus
display isn't selfie friendly
low res video (1280 x 720 pxls)
missing external mic jack
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Olympus E-PM1 vs Pentax K-r Specifications

Detailed spec comparison table for Olympus E-PM1 and Pentax K-r
 Olympus PEN E-PM1Pentax K-r
General Information
Brand Name Olympus Pentax
Model Olympus PEN E-PM1 Pentax K-r
Category Entry-Level Mirrorless Entry-Level DSLR
Introduced 2011-11-23 2011-03-11
Body design Rangefinder-style mirrorless Compact SLR
Sensor Information
Powered by TruePic VI Prime II
Sensor type CMOS CMOS
Sensor size Four Thirds APS-C
Sensor dimensions 17.3 x 13mm 23.6 x 15.8mm
Sensor surface area 224.9mm² 372.9mm²
Sensor resolution 12MP 12MP
Anti aliasing filter
Aspect ratio 4:3 3:2
Max resolution 4032 x 3024 4288 x 2848
Max native ISO 12800 12800
Max enhanced ISO - 25600
Minimum native ISO 100 200
RAW data
Minimum enhanced ISO - 100
Autofocusing
Focus manually
Touch to focus
Continuous AF
AF single
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 35 11
Cross focus points - 9
Lens
Lens mount Micro Four Thirds Pentax KAF2
Number of lenses 107 151
Focal length multiplier 2.1 1.5
Screen
Display type Fixed Type Fixed Type
Display diagonal 3" 3"
Display resolution 460k dot 921k dot
Selfie friendly
Liveview
Touch function
Display technology HyperCrystal LCD AR(Anti-Reflective) coating TFT LCD monitor
Viewfinder Information
Viewfinder type Electronic (optional) Optical (pentamirror)
Viewfinder coverage - 96 percent
Viewfinder magnification - 0.57x
Features
Minimum shutter speed 60s 30s
Fastest shutter speed 1/4000s 1/6000s
Continuous shutter speed 6.0fps 6.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Built-in flash
Flash range no built-in flash 12.00 m (at ISO 100)
Flash modes Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) Auto, Red-eye Reduction, Slow-speed Sync, Trailing Curtain Sync, High-Speed Sync and Wireless Sync
External flash
Auto exposure bracketing
White balance bracketing
Fastest flash sync 1/160s 1/180s
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1280 x 720 (25 fps), 640 x 480 (25 fps)
Max video resolution 1920x1080 1280x720
Video data format AVCHD, Motion JPEG Motion JPEG
Mic input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 265 grams (0.58 lbs) 598 grams (1.32 lbs)
Dimensions 110 x 64 x 34mm (4.3" x 2.5" x 1.3") 125 x 97 x 68mm (4.9" x 3.8" x 2.7")
DXO scores
DXO Overall score 52 72
DXO Color Depth score 21.0 22.9
DXO Dynamic range score 10.3 12.4
DXO Low light score 499 755
Other
Battery life 330 pictures 470 pictures
Form of battery Battery Pack Battery Pack
Battery model BLS-5 D-LI109,4 x AA
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse feature
Storage media SD/SDHC/SDXC SD/SDHC
Storage slots 1 1
Retail pricing $499 $1,100