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Olympus E-P3 vs Pentax RZ10

Portability
86
Imaging
48
Features
60
Overall
52
Olympus PEN E-P3 front
 
Pentax Optio RZ10 front
Portability
92
Imaging
37
Features
31
Overall
34

Olympus E-P3 vs Pentax RZ10 Key Specs

Olympus E-P3
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Screen
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 369g - 122 x 69 x 34mm
  • Introduced August 2011
  • Old Model is Olympus E-P2
  • Replacement is Olympus E-P5
Pentax RZ10
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-280mm (F3.2-5.9) lens
  • 178g - 97 x 61 x 33mm
  • Announced July 2011
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Olympus E-P3 vs Pentax RZ10 Overview

Below is a complete analysis of the Olympus E-P3 versus Pentax RZ10, former being a Entry-Level Mirrorless while the other is a Small Sensor Compact by brands Olympus and Pentax. The sensor resolution of the E-P3 (12MP) and the RZ10 (14MP) is fairly well matched but the E-P3 (Four Thirds) and RZ10 (1/2.3") feature different sensor dimensions.

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The E-P3 was brought out around the same time to the RZ10 so they are both of a similar age. Both of these cameras come with different body type with the Olympus E-P3 being a Rangefinder-style mirrorless camera and the Pentax RZ10 being a Compact camera.

Before delving straight into a comprehensive comparison, below is a concise highlight of how the E-P3 scores versus the RZ10 with respect to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-P3 over the Pentax RZ10

 E-P3 RZ10 
Display dimension3"2.7"Larger display (+0.3")
Display resolution614k230kSharper display (+384k dot)
Touch display Easily navigate

Reasons to pick Pentax RZ10 over the Olympus E-P3

 RZ10 E-P3 

Common features in the Olympus E-P3 and Pentax RZ10

 E-P3 RZ10 
AnnouncedAugust 2011July 2011Similar age
Manually focus Dial exact focusing
Display typeFixed Fixed Fixed display
Selfie screen Lacking selfie screen

Olympus E-P3 vs Pentax RZ10 Physical Comparison

In case you're intending to lug around your camera, you are going to need to take into account its weight and size. The Olympus E-P3 provides external dimensions of 122mm x 69mm x 34mm (4.8" x 2.7" x 1.3") and a weight of 369 grams (0.81 lbs) while the Pentax RZ10 has specifications of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") having a weight of 178 grams (0.39 lbs).

Examine the Olympus E-P3 versus Pentax RZ10 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will change depending on the lens you have attached during that time. The following is the front view dimensions comparison of the E-P3 versus the RZ10.

Olympus E-P3 vs Pentax RZ10 size comparison

Taking into consideration size and weight, the portability score of the E-P3 and RZ10 is 86 and 92 respectively.

Olympus E-P3 vs Pentax RZ10 top view buttons comparison

Olympus E-P3 vs Pentax RZ10 Sensor Comparison

Usually, it is very difficult to picture the contrast between sensor measurements just by checking technical specs. The visual underneath should give you a clearer sense of the sensor sizes in the E-P3 and RZ10.

As you can tell, the two cameras have got different resolutions and different sensor measurements. The E-P3 because of its larger sensor is going to make getting shallow depth of field simpler and the Pentax RZ10 will resolve extra detail having its extra 2MP. Greater resolution can also let you crop pics much more aggressively.

Olympus E-P3 vs Pentax RZ10 sensor size comparison

Olympus E-P3 vs Pentax RZ10 Screen and ViewFinder

Olympus E-P3 vs Pentax RZ10 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-P3 Portrait photography features
Pentax RZ10 Portrait photography features
60
you can focus manually
good sensor size (Four Thirds)
includes face detect autofocus
exports RAW formats
megapixel count low (12MP)
35
focusing manually
MP count decent (14 megapixels)
no manual exposure
external flash not possible
very small sensor size (1/2.3")
lacks RAW format
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Street Comparison

Olympus E-P3 Street photography advice
Pentax RZ10 Street photography advice
76
has image stabilization (Sensor based)
good sensor size (Four Thirds)
exports RAW formats
has focus via touch
no articulating screen
61
built in image stabilization (Sensor-shift)
environment sealing
no articulating screen
very small sensor size (1/2.3")
lacks RAW format
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Sports Comparison

Olympus E-P3 Sports photography advice
Pentax RZ10 Sports photography advice
49
has image stabilization (Sensor based)
good sensor size (Four Thirds)
includes tracking focus
max fps very slow (3.0 frames per second)
megapixel count low (12 megapixels)
lacks phase detect autofocus
40
built in image stabilization (Sensor-shift)
MP count decent (14 megapixels)
supports tracking autofocus
environment sealing
continuous shooting slow (1.0 frames per second)
no shutter priority
very small sensor size (1/2.3")
terrible battery pack (178 CIPA)
lacks phase detect auto focus
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Travel Comparison

Olympus E-P3 Travel photography information
Pentax RZ10 Travel photography information
60
has focus via touch
has built in flash
does not have Time Lapse recording
megapixel count low (12 megapixels)
doesn't offer selfie friendly display
66
environment sealing
MP count decent (14MP)
has built in flash
pretty wide (28mm)
long zoom (280mm)
does not have Time Lapse mode
terrible battery pack (178 CIPA)
does not feature selfie friendly screen
slow maximum aperture (f3.2)
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Landscape Comparison

Olympus E-P3 Landscape photography advice
Pentax RZ10 Landscape photography advice
65
you can focus manually
switch lenses (Micro Four Thirds mount)
good sized screen (3 inches)
has image stabilization (Sensor based)
good sensor size (Four Thirds)
exports RAW formats
megapixel count low (12MP)
does not have Time Lapse recording
43
focusing manually
pretty wide (28mm)
built in image stabilization (Sensor-shift)
MP count decent (14MP)
environment sealing
lens is fixed (fixed lens mount)
slow maximum aperture (f3.2)
tiny screen (2.7 inch)
no manual exposure
very small sensor size (1/2.3")
lacks RAW format
terrible battery pack (178 CIPA)
does not have Time Lapse mode
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Vlogging Comparison

Olympus E-P3 Vlogging factors
Pentax RZ10 Vlogging factors
35
touchscreen
has image stabilization (Sensor based)
includes face detect autofocus
high res video (1920 x 1080 pxls)
doesn't offer selfie friendly display
does not have mic support
28
pretty wide (28mm)
built in image stabilization (Sensor-shift)
slow maximum aperture (f3.2)
does not feature selfie friendly screen
video resolution low (1280 x 720 pxls)
does not have external mic port
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Olympus E-P3 vs Pentax RZ10 Specifications

Detailed spec comparison table for Olympus E-P3 and Pentax RZ10
 Olympus PEN E-P3Pentax Optio RZ10
General Information
Company Olympus Pentax
Model Olympus PEN E-P3 Pentax Optio RZ10
Type Entry-Level Mirrorless Small Sensor Compact
Introduced 2011-08-17 2011-07-19
Body design Rangefinder-style mirrorless Compact
Sensor Information
Powered by TruePic VI -
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.3 x 13mm 6.08 x 4.56mm
Sensor surface area 224.9mm² 27.7mm²
Sensor resolution 12 megapixel 14 megapixel
Anti aliasing filter
Aspect ratio 4:3 1:1, 4:3 and 16:9
Peak resolution 4032 x 3024 4288 x 3216
Highest native ISO 12800 6400
Lowest native ISO 100 80
RAW photos
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 35 9
Lens
Lens mounting type Micro Four Thirds fixed lens
Lens focal range - 28-280mm (10.0x)
Highest aperture - f/3.2-5.9
Macro focus distance - 1cm
Number of lenses 107 -
Focal length multiplier 2.1 5.9
Screen
Range of screen Fixed Type Fixed Type
Screen size 3 inch 2.7 inch
Screen resolution 614 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch functionality
Screen technology 3:2 OLED with Anti-Fingerprint Coating TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder type Electronic (optional) None
Features
Min shutter speed 60 seconds 4 seconds
Max shutter speed 1/4000 seconds 1/2000 seconds
Continuous shutter speed 3.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Set white balance
Image stabilization
Integrated flash
Flash range 10.00 m (@ ISO 200) 2.80 m
Flash modes Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Wireless, Manual (3 levels) Auto, On, Off, Red-eye, Soft
Hot shoe
AEB
WB bracketing
Max flash sync 1/180 seconds -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution 1920x1080 1280x720
Video data format AVCHD, Motion JPEG Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 369 gr (0.81 lb) 178 gr (0.39 lb)
Dimensions 122 x 69 x 34mm (4.8" x 2.7" x 1.3") 97 x 61 x 33mm (3.8" x 2.4" x 1.3")
DXO scores
DXO Overall score 51 not tested
DXO Color Depth score 20.8 not tested
DXO Dynamic range score 10.1 not tested
DXO Low light score 536 not tested
Other
Battery life 330 photos 178 photos
Battery form Battery Pack Battery Pack
Battery model BLS-5 D-LI92
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse feature
Storage media SD/SDHC/SDXC card SD/SDHC, Internal
Storage slots One One
Cost at release $0 $200