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Olympus E-PM1 vs Pentax P70

Portability
89
Imaging
48
Features
52
Overall
49
Olympus PEN E-PM1 front
 
Pentax Optio P70 front
Portability
95
Imaging
34
Features
20
Overall
28

Olympus E-PM1 vs Pentax P70 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
  • Replacement is Olympus E-PM2
Pentax P70
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 64 - 6400
  • 1280 x 720 video
  • 28-110mm (F2.8-5.0) lens
  • 155g - 97 x 54 x 22mm
  • Launched March 2009
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Olympus E-PM1 vs Pentax P70 Overview

Below, we are contrasting the Olympus E-PM1 versus Pentax P70, former being a Entry-Level Mirrorless while the other is a Ultracompact by competitors Olympus and Pentax. The sensor resolution of the E-PM1 (12MP) and the P70 (12MP) is fairly well matched but the E-PM1 (Four Thirds) and P70 (1/2.3") come with totally different sensor measurements.

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The E-PM1 was unveiled 2 years later than the P70 and that is quite a significant difference as far as tech is concerned. Each of the cameras come with different body type with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Pentax P70 being a Ultracompact camera.

Before we go through a thorough comparison, below is a simple synopsis of how the E-PM1 grades versus the P70 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-PM1 over the Pentax P70

 E-PM1 P70 
LaunchedNovember 2011March 2009More recent by 34 months
Display dimension3"2.7"Larger display (+0.3")
Display resolution460k230kSharper display (+230k dot)

Reasons to pick Pentax P70 over the Olympus E-PM1

 P70 E-PM1 

Common features in the Olympus E-PM1 and Pentax P70

 E-PM1 P70 
Manually focus Very exact focus
Display typeFixed Fixed Fixed display
Selfie screen Lack of selfie screen
Touch friendly display Lack of Touch friendly display

Olympus E-PM1 vs Pentax P70 Physical Comparison

For anyone who is planning to lug around your camera often, you are going to need to factor in its weight and proportions. The Olympus E-PM1 comes with external dimensions of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") along with a weight of 265 grams (0.58 lbs) while the Pentax P70 has measurements of 97mm x 54mm x 22mm (3.8" x 2.1" x 0.9") along with a weight of 155 grams (0.34 lbs).

Check the Olympus E-PM1 versus Pentax P70 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will vary depending on the lens you have attached at the time. The following is the front view proportions comparison of the E-PM1 against the P70.

Olympus E-PM1 vs Pentax P70 size comparison

Considering size and weight, the portability rating of the E-PM1 and P70 is 89 and 95 respectively.

Olympus E-PM1 vs Pentax P70 top view buttons comparison

Olympus E-PM1 vs Pentax P70 Sensor Comparison

Usually, its tough to see the difference between sensor measurements only by looking at a spec sheet. The graphic below will help offer you a clearer sense of the sensor sizes in the E-PM1 and P70.

Clearly, both of these cameras have got the exact same resolution but not the same sensor measurements. The E-PM1 uses the larger sensor which is going to make obtaining shallower depth of field easier. The more modern E-PM1 will have an edge with regard to sensor technology.

Olympus E-PM1 vs Pentax P70 sensor size comparison

Olympus E-PM1 vs Pentax P70 Screen and ViewFinder

Olympus E-PM1 vs Pentax P70 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-PM1 Portrait photography advice
Pentax P70 Portrait photography advice
60
you can focus manually
nice sensor size (Four Thirds)
provides face detect autofocus
saves RAW files
low megapixels (12MP)
27
has manual focus
manual mode not possible
external flash not possible
sensor resolution low (12 megapixels)
sensor size is small (1/2.3")
no RAW files
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Street Comparison

Olympus E-PM1 Street photography highlights
Pentax P70 Street photography highlights
75
has image stabilization (Sensor based)
nice sensor size (Four Thirds)
saves RAW files
screen does not articulate
47
fixed screen
no image stabilization
sensor size is small (1/2.3")
no RAW files
heavier than competition in class (155 grams)
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Sports Comparison

Sports photography with Olympus E-PM1
Sports photography with Pentax P70
49
has image stabilization (Sensor based)
nice sensor size (Four Thirds)
provides tracking focus
slow frames per second (6.0 frames per second)
low megapixels (12 megapixels)
lack of phase detect autofocus
17
max shutter speed is low (1/1,000s)
no shutter priority mode
no image stabilization
sensor resolution low (12MP)
sensor size is small (1/2.3")
no phase detect AF
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Travel Comparison

Travel photography with Olympus E-PM1
Travel photography with Pentax P70
45
missing Time Lapse mode
low megapixels (12MP)
doesn't have a selfie friendly display
56
built-in flash
decently wide (28mm)
no Time Lapse function
heavier than competition in class (155g)
sensor resolution low (12MP)
display isn't selfie friendly
sluggish maximum aperture (f2.8)
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Landscape Comparison

Olympus E-PM1 Landscape photography advice
Pentax P70 Landscape photography advice
65
you can focus manually
switch lenses (Micro Four Thirds mount)
screen size is good (3")
has image stabilization (Sensor based)
nice sensor size (Four Thirds)
saves RAW files
low megapixels (12MP)
missing Time Lapse mode
32
has manual focus
decently wide (28mm)
cannot switch lens (fixed lens mount)
sluggish maximum aperture (f2.8)
screen is small (2.7 inches)
manual mode not possible
no image stabilization
sensor resolution low (12 megapixels)
sensor size is small (1/2.3")
no RAW files
no Time Lapse function
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Vlogging Comparison

Olympus E-PM1 Vlogging info
Pentax P70 Vlogging info
34
has image stabilization (Sensor based)
provides face detect autofocus
video resolution high (1920 x 1080 pxls)
doesn't have a selfie friendly display
missing mic socket
25
decently wide (28mm)
sluggish maximum aperture (f2.8)
display isn't selfie friendly
no image stabilization
video quality not great (1280 x 720 pixels)
no external mic jack
heavier than competition in class (155g)
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Olympus E-PM1 vs Pentax P70 Specifications

Detailed spec comparison table for Olympus E-PM1 and Pentax P70
 Olympus PEN E-PM1Pentax Optio P70
General Information
Company Olympus Pentax
Model Olympus PEN E-PM1 Pentax Optio P70
Type Entry-Level Mirrorless Ultracompact
Introduced 2011-11-23 2009-03-02
Body design Rangefinder-style mirrorless Ultracompact
Sensor Information
Powered by TruePic VI -
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.3 x 13mm 6.17 x 4.55mm
Sensor area 224.9mm² 28.1mm²
Sensor resolution 12 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 4:3 -
Max resolution 4032 x 3024 4000 x 3000
Max native ISO 12800 6400
Lowest native ISO 100 64
RAW support
Autofocusing
Manual focus
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 35 9
Lens
Lens mounting type Micro Four Thirds fixed lens
Lens focal range - 28-110mm (3.9x)
Largest aperture - f/2.8-5.0
Macro focus range - 10cm
Number of lenses 107 -
Crop factor 2.1 5.8
Screen
Display type Fixed Type Fixed Type
Display sizing 3" 2.7"
Resolution of display 460 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch screen
Display technology HyperCrystal LCD AR(Anti-Reflective) coating -
Viewfinder Information
Viewfinder type Electronic (optional) None
Features
Minimum shutter speed 60 secs 4 secs
Fastest shutter speed 1/4000 secs 1/1000 secs
Continuous shutter speed 6.0 frames per second -
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes -
Custom white balance
Image stabilization
Inbuilt flash
Flash range no built-in flash 4.60 m
Flash settings Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) -
External flash
AE bracketing
WB bracketing
Fastest flash sync 1/160 secs -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1280 x 720 (15 fps), 848 x 480 (15 fps), 640 x 480 (30 fps), 320 x 240 (30 fps)
Max video resolution 1920x1080 1280x720
Video file 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 None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 265 gr (0.58 pounds) 155 gr (0.34 pounds)
Dimensions 110 x 64 x 34mm (4.3" x 2.5" x 1.3") 97 x 54 x 22mm (3.8" x 2.1" x 0.9")
DXO scores
DXO Overall score 52 not tested
DXO Color Depth score 21.0 not tested
DXO Dynamic range score 10.3 not tested
DXO Low light score 499 not tested
Other
Battery life 330 images -
Battery format Battery Pack -
Battery model BLS-5 -
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage media SD/SDHC/SDXC SD/SDHC, Internal
Storage slots One One
Retail price $499 $200