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Olympus E-PM1 vs Panasonic ZS25

Portability
89
Imaging
48
Features
52
Overall
49
Olympus PEN E-PM1 front
 
Panasonic Lumix DMC-ZS25 front
Portability
93
Imaging
40
Features
43
Overall
41

Olympus E-PM1 vs Panasonic ZS25 Key Specs

Olympus E-PM1
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fixed Screen
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Micro Four Thirds Mount
  • 265g - 110 x 64 x 34mm
  • Announced November 2011
  • Updated by Olympus E-PM2
Panasonic ZS25
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 24-480mm (F3.3-6.4) lens
  • 193g - 105 x 59 x 28mm
  • Introduced January 2013
  • Alternate Name is Lumix DMC-TZ35
  • Superseded the Panasonic ZS20
  • Successor is Panasonic ZS30
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Olympus E-PM1 vs Panasonic ZS25 Overview

Its time to look more closely at the Olympus E-PM1 vs Panasonic ZS25, one being a Entry-Level Mirrorless and the other is a Small Sensor Superzoom by companies Olympus and Panasonic. There exists a huge gap between the sensor resolutions of the E-PM1 (12MP) and ZS25 (16MP) and the E-PM1 (Four Thirds) and ZS25 (1/2.3") boast different sensor sizing.

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The E-PM1 was introduced 13 months prior to the ZS25 making them a generation apart from one another. The two cameras have different body design with the Olympus E-PM1 being a Rangefinder-style mirrorless camera and the Panasonic ZS25 being a Compact camera.

Before diving right into a thorough comparison, here is a simple summary of how the E-PM1 matches up versus the ZS25 for portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-PM1 over the Panasonic ZS25

 E-PM1 ZS25 
Manual focus Dial precise focus

Reasons to pick Panasonic ZS25 over the Olympus E-PM1

 ZS25 E-PM1 
IntroducedJanuary 2013November 2011More recent by 13 months

Common features in the Olympus E-PM1 and Panasonic ZS25

 E-PM1 ZS25 
Display typeFixed Fixed Fixed display
Display dimensions3"3"Equal display measurement
Display resolution460k460kIdentical display resolution
Selfie screen No selfie screen
Touch friendly display Neither has Touch friendly display

Olympus E-PM1 vs Panasonic ZS25 Physical Comparison

For anyone who is intending to lug around your camera frequently, you need to think about its weight and dimensions. The Olympus E-PM1 has exterior measurements of 110mm x 64mm x 34mm (4.3" x 2.5" x 1.3") along with a weight of 265 grams (0.58 lbs) whilst the Panasonic ZS25 has dimensions of 105mm x 59mm x 28mm (4.1" x 2.3" x 1.1") and a weight of 193 grams (0.43 lbs).

Take a look at the Olympus E-PM1 vs Panasonic ZS25 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will change based on the lens you are working with at that moment. Here is a front view measurement comparison of the E-PM1 and the ZS25.

Olympus E-PM1 vs Panasonic ZS25 size comparison

Considering dimensions and weight, the portability score of the E-PM1 and ZS25 is 89 and 93 respectively.

Olympus E-PM1 vs Panasonic ZS25 top view buttons comparison

Olympus E-PM1 vs Panasonic ZS25 Sensor Comparison

Sometimes, its hard to picture the contrast between sensor measurements just by checking a spec sheet. The photograph here might offer you a more clear sense of the sensor measurements in the E-PM1 and ZS25.

As you can see, the two cameras provide different megapixels and different sensor measurements. The E-PM1 with its larger sensor is going to make shooting shallow DOF less difficult and the Panasonic ZS25 will give you greater detail using its extra 4 Megapixels. Greater resolution will allow you to crop images more aggressively. The older E-PM1 is going to be disadvantaged with regard to sensor technology.

Olympus E-PM1 vs Panasonic ZS25 sensor size comparison

Olympus E-PM1 vs Panasonic ZS25 Screen and ViewFinder

Olympus E-PM1 vs Panasonic ZS25 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus E-PM1
Portrait photography with Panasonic ZS25
60
focusing manually
good sensor size (Four Thirds)
provides face detect autofocus
supports RAW files
megapixel count low (12MP)
32
decent megapixels (16MP)
lack of manual focus
no external flash support
very small sensor size (1/2.3")
does not have RAW support
Photography Glossary

Street Comparison

Olympus E-PM1 Street photography info
Panasonic ZS25 Street photography info
75
built in image stabilization (Sensor based)
good sensor size (Four Thirds)
supports RAW files
fixed screen
66
image stabilization (Optical)
boasts touch to focus
lighter than others (193 grams)
no articulating screen
very small sensor size (1/2.3")
does not have RAW support
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Sports Comparison

Sports photography with Olympus E-PM1
Sports photography with Panasonic ZS25
49
built in image stabilization (Sensor based)
good sensor size (Four Thirds)
provides tracking focus
continuous shooting slow (6.0 fps)
megapixel count low (12 megapixels)
doesn't have phase detect autofocus
45
excellent zoom range (24-480mm 20.0 x zoom)
image stabilization (Optical)
decent megapixels (16 megapixels)
provides tracking autofocus
low maximum shutter speed (1/1,200s)
very small sensor size (1/2.3")
bad battery pack (260 shots)
does not have phase detect AF
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Travel Comparison

Olympus E-PM1 Travel photography information
Panasonic ZS25 Travel photography information
45
lack of Timelapse recording
megapixel count low (12 megapixels)
does not have selfie friendly screen
69
lighter than others (193 grams)
boasts touch to focus
decent megapixels (16MP)
built-in flash
reasonably wide (24mm)
long reach (480mm)
no Time Lapse mode
bad battery pack (260 shots)
does not feature selfie friendly screen
slow max aperture (f3.3)
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Landscape Comparison

Olympus E-PM1 Landscape photography features
Panasonic ZS25 Landscape photography features
65
focusing manually
change lenses (Micro Four Thirds mount)
decent sized screen (3")
built in image stabilization (Sensor based)
good sensor size (Four Thirds)
supports RAW files
megapixel count low (12 megapixels)
lack of Timelapse recording
43
reasonably wide (24mm)
pretty good screen size (3")
image stabilization (Optical)
decent megapixels (16MP)
lack of manual focus
lens is fixed (fixed lens mount)
slow max aperture (f3.3)
very small sensor size (1/2.3")
does not have RAW support
bad battery pack (260 per charge)
no Time Lapse mode
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Vlogging Comparison

Olympus E-PM1 as a Vlogging camera
Panasonic ZS25 as a Vlogging camera
34
built in image stabilization (Sensor based)
provides face detect autofocus
video res high (1920 x 1080 pixels)
does not have selfie friendly screen
lack of microphone port
34
reasonably wide (24mm)
image stabilization (Optical)
video resolution high (1920 x 1080 resolution)
lighter than others (193g)
slow max aperture (f3.3)
does not feature selfie friendly screen
no external mic port
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Olympus E-PM1 vs Panasonic ZS25 Specifications

Detailed spec comparison table for Olympus E-PM1 and Panasonic ZS25
 Olympus PEN E-PM1Panasonic Lumix DMC-ZS25
General Information
Brand Olympus Panasonic
Model type Olympus PEN E-PM1 Panasonic Lumix DMC-ZS25
Alternate name - Lumix DMC-TZ35
Category Entry-Level Mirrorless Small Sensor Superzoom
Announced 2011-11-23 2013-01-07
Body design Rangefinder-style mirrorless Compact
Sensor Information
Chip TruePic VI -
Sensor type CMOS CMOS
Sensor size Four Thirds 1/2.3"
Sensor dimensions 17.3 x 13mm 6.08 x 4.56mm
Sensor area 224.9mm² 27.7mm²
Sensor resolution 12 megapixels 16 megapixels
Anti alias filter
Aspect ratio 4:3 1:1, 4:3, 3:2 and 16:9
Max resolution 4032 x 3024 4896 x 3672
Max native ISO 12800 6400
Lowest native ISO 100 100
RAW photos
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 35 23
Lens
Lens mount type Micro Four Thirds fixed lens
Lens zoom range - 24-480mm (20.0x)
Maximal aperture - f/3.3-6.4
Macro focusing range - 3cm
Amount of lenses 107 -
Crop factor 2.1 5.9
Screen
Screen type Fixed Type Fixed Type
Screen size 3 inches 3 inches
Resolution of screen 460k dot 460k dot
Selfie friendly
Liveview
Touch display
Screen technology HyperCrystal LCD AR(Anti-Reflective) coating -
Viewfinder Information
Viewfinder Electronic (optional) None
Features
Min shutter speed 60 secs 15 secs
Max shutter speed 1/4000 secs 1/1200 secs
Continuous shutter speed 6.0fps 10.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Built-in flash
Flash distance no built-in flash 6.40 m
Flash modes Auto, On, Off, Red-Eye, Fill-in, Slow Sync, Manual (3 levels) Auto, On, Off, Red-eye, Slow Syncro
External flash
AEB
White balance bracketing
Max flash sync 1/160 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps) 1920 x 1080 (60 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30 fps), 320 x 240 (220 fps)
Max video resolution 1920x1080 1920x1080
Video file format AVCHD, Motion JPEG MPEG-4, AVCHD
Mic 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 None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 265 gr (0.58 pounds) 193 gr (0.43 pounds)
Physical dimensions 110 x 64 x 34mm (4.3" x 2.5" x 1.3") 105 x 59 x 28mm (4.1" x 2.3" x 1.1")
DXO scores
DXO Overall rating 52 not tested
DXO Color Depth rating 21.0 not tested
DXO Dynamic range rating 10.3 not tested
DXO Low light rating 499 not tested
Other
Battery life 330 shots 260 shots
Battery form Battery Pack Battery Pack
Battery ID BLS-5 -
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC SD/SDHC/SDXC, Internal
Storage slots One One
Launch pricing $499 $300