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Olympus E-420 vs Pentax RZ10

Portability
77
Imaging
44
Features
36
Overall
40
Olympus E-420 front
 
Pentax Optio RZ10 front
Portability
92
Imaging
37
Features
31
Overall
34

Olympus E-420 vs Pentax RZ10 Key Specs

Olympus E-420
(Full Review)
  • 10MP - Four Thirds Sensor
  • 2.7" Fixed Display
  • ISO 100 - 1600
  • No Video
  • Micro Four Thirds Mount
  • 426g - 130 x 91 x 53mm
  • Launched June 2008
  • Replaced the Olympus E-410
Pentax RZ10
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • 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-420 vs Pentax RZ10 Overview

Below is a complete overview of the Olympus E-420 vs Pentax RZ10, one being a Entry-Level DSLR and the latter is a Small Sensor Compact by rivals Olympus and Pentax. There is a sizeable difference between the image resolutions of the E-420 (10MP) and RZ10 (14MP) and the E-420 (Four Thirds) and RZ10 (1/2.3") use different sensor dimensions.

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The E-420 was released 4 years prior to the RZ10 and that is quite a large gap as far as tech is concerned. Both cameras offer different body type with the Olympus E-420 being a Compact SLR camera and the Pentax RZ10 being a Compact camera.

Before we go straight into a detailed comparison, below is a simple summary of how the E-420 matches up versus the RZ10 with regards to portability, imaging, features and an overall grade.

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Reasons to pick Olympus E-420 over the Pentax RZ10

 E-420 RZ10 

Reasons to pick Pentax RZ10 over the Olympus E-420

 RZ10 E-420 
AnnouncedJuly 2011June 2008More recent by 37 months

Common features in the Olympus E-420 and Pentax RZ10

 E-420 RZ10 
Manual focus More exact focusing
Screen typeFixed Fixed Fixed screen
Screen sizing2.7"2.7"Equivalent screen sizing
Screen resolution230k230kEqual screen resolution
Selfie screen Lack of selfie screen
Touch screen Lack of Touch screen

Olympus E-420 vs Pentax RZ10 Physical Comparison

For those who are going to lug around your camera often, you will need to factor in its weight and measurements. The Olympus E-420 enjoys physical dimensions of 130mm x 91mm x 53mm (5.1" x 3.6" x 2.1") with a weight of 426 grams (0.94 lbs) and the Pentax RZ10 has proportions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") and a weight of 178 grams (0.39 lbs).

See the Olympus E-420 vs Pentax RZ10 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary depending on the lens you have chosen at that time. The following is the front view overall size comparison of the E-420 vs the RZ10.

Olympus E-420 vs Pentax RZ10 size comparison

Using size and weight, the portability rating of the E-420 and RZ10 is 77 and 92 respectively.

Olympus E-420 vs Pentax RZ10 top view buttons comparison

Olympus E-420 vs Pentax RZ10 Sensor Comparison

Generally, its hard to visualize the gap between sensor measurements merely by reviewing specifications. The visual underneath will help offer you a much better sense of the sensor sizes in the E-420 and RZ10.

To sum up, both of these cameras enjoy different megapixel count and different sensor measurements. The E-420 featuring a bigger sensor is going to make achieving bokeh easier and the Pentax RZ10 will offer greater detail as a result of its extra 4MP. Higher resolution can also allow you to crop photographs far more aggressively. The older E-420 is going to be disadvantaged in sensor technology.

Olympus E-420 vs Pentax RZ10 sensor size comparison

Olympus E-420 vs Pentax RZ10 Screen and ViewFinder

Olympus E-420 vs Pentax RZ10 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus E-420 as a Portrait photography camera
Pentax RZ10 as a Portrait photography camera
56
manual focus
decent sensor size (Four Thirds)
delivers RAW files
low MP (10MP)
35
manual focus
resolution is good (14 megapixels)
no manual mode
cannot use external flash
sensor is small (1/2.3")
lacks RAW format
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Street Comparison

Olympus E-420 Street photography highlights
Pentax RZ10 Street photography highlights
64
decent sensor size (Four Thirds)
delivers RAW files
lighter than competitors in class (426g)
screen is fixed
lack of image stabilization
61
built in image stabilization (Sensor-shift)
weather proof
fixed screen
sensor is small (1/2.3")
lacks RAW format
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Sports Comparison

Sports photography with Olympus E-420
Sports photography with Pentax RZ10
38
decent sensor size (Four Thirds)
supports phase detect AF
slow frames per second (4.0 fps)
lack of image stabilization
low MP (10 megapixels)
not so great battery life (500 per charge)
40
built in image stabilization (Sensor-shift)
resolution is good (14MP)
supports tracking focus
weather proof
max fps very slow (1.0 frames per second)
lack of shutter priority mode
sensor is small (1/2.3")
not so great battery power (178 CIPA)
lacks phase detect autofocus
Photography Glossary

Travel Comparison

Olympus E-420 Travel photography info
Pentax RZ10 Travel photography info
52
lighter than competitors in class (426g)
built-in flash
does not have Time Lapse recording
not so great battery life (500 shots)
low MP (10MP)
does not contain selfie friendly display
66
weather proof
resolution is good (14MP)
flash built-in
fairly wide (28mm)
great reach (280mm)
does not have Time Lapse recording
not so great battery power (178 per charge)
display is not selfie friendly
somewhat slow maximum aperture (f3.2)
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Landscape Comparison

Olympus E-420 as a Landscape photography camera
Pentax RZ10 as a Landscape photography camera
47
manual focus
switch lenses (Micro Four Thirds mount)
decent sensor size (Four Thirds)
delivers RAW files
small screen (2.7")
lack of image stabilization
low MP (10MP)
not so great battery life (500 shots)
does not have Time Lapse recording
43
manual focus
fairly wide (28mm)
built in image stabilization (Sensor-shift)
resolution is good (14MP)
weather proof
can't swap lens (fixed lens mount)
somewhat slow maximum aperture (f3.2)
small screen (2.7 inches)
no manual mode
sensor is small (1/2.3")
lacks RAW format
not so great battery power (178 per charge)
does not have Time Lapse recording
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Vlogging Comparison

Olympus E-420 Vlogging details
Pentax RZ10 Vlogging details
9
no video recording
28
fairly wide (28mm)
built in image stabilization (Sensor-shift)
somewhat slow maximum aperture (f3.2)
display is not selfie friendly
video res low (1280 x 720 resolution)
does not have mic socket
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Olympus E-420 vs Pentax RZ10 Specifications

Detailed spec comparison table for Olympus E-420 and Pentax RZ10
 Olympus E-420Pentax Optio RZ10
General Information
Manufacturer Olympus Pentax
Model type Olympus E-420 Pentax Optio RZ10
Category Entry-Level DSLR Small Sensor Compact
Launched 2008-06-23 2011-07-19
Physical type Compact SLR Compact
Sensor Information
Processor TruePic III -
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 10 megapixels 14 megapixels
Anti alias filter
Aspect ratio 4:3 1:1, 4:3 and 16:9
Full resolution 3648 x 2736 4288 x 3216
Max native ISO 1600 6400
Lowest native ISO 100 80
RAW photos
Autofocusing
Manual focusing
Touch focus
Autofocus continuous
Autofocus single
Tracking autofocus
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 3 9
Lens
Lens support Micro Four Thirds fixed lens
Lens zoom range - 28-280mm (10.0x)
Maximal aperture - f/3.2-5.9
Macro focusing range - 1cm
Available lenses 45 -
Crop factor 2.1 5.9
Screen
Type of display Fixed Type Fixed Type
Display size 2.7" 2.7"
Display resolution 230 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch function
Display technology - TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder Optical (pentamirror) None
Viewfinder coverage 95% -
Viewfinder magnification 0.46x -
Features
Lowest shutter speed 60 seconds 4 seconds
Highest shutter speed 1/4000 seconds 1/2000 seconds
Continuous shooting rate 4.0 frames per second 1.0 frames per second
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Custom white balance
Image stabilization
Built-in flash
Flash distance 12.00 m (at ISO 100) 2.80 m
Flash modes Auto, Auto FP, Manual, Red-Eye Auto, On, Off, Red-eye, Soft
Hot shoe
AE bracketing
White balance bracketing
Highest flash synchronize 1/180 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution None 1280x720
Video file format - Motion JPEG
Mic port
Headphone port
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
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 426 gr (0.94 pounds) 178 gr (0.39 pounds)
Dimensions 130 x 91 x 53mm (5.1" x 3.6" x 2.1") 97 x 61 x 33mm (3.8" x 2.4" x 1.3")
DXO scores
DXO All around rating 56 not tested
DXO Color Depth rating 21.5 not tested
DXO Dynamic range rating 10.4 not tested
DXO Low light rating 527 not tested
Other
Battery life 500 shots 178 shots
Battery type Battery Pack Battery Pack
Battery ID - D-LI92
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse feature
Storage type Compact Flash (Type I or II), xD Picture Card SD/SDHC, Internal
Card slots 1 1
Pricing at launch $999 $200