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Pentax RZ18 vs Sony WX50

Portability
92
Imaging
39
Features
37
Overall
38
Pentax Optio RZ18 front
 
Sony Cyber-shot DSC-WX50 front
Portability
96
Imaging
39
Features
36
Overall
37

Pentax RZ18 vs Sony WX50 Key Specs

Pentax RZ18
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 25-450mm (F3.5-5.9) lens
  • 178g - 97 x 61 x 33mm
  • Launched September 2011
Sony WX50
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 12800
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 25-125mm (F2.6-6.3) lens
  • 117g - 92 x 52 x 19mm
  • Revealed January 2012
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Pentax RZ18 vs Sony WX50 Overview

Let's take a deeper look at the Pentax RZ18 and Sony WX50, one being a Small Sensor Superzoom and the latter is a Small Sensor Compact by rivals Pentax and Sony. The resolution of the RZ18 (16MP) and the WX50 (16MP) is relatively close and both cameras offer the identical sensor measurements (1/2.3").

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The RZ18 was announced 4 months before the WX50 and they are both of a similar generation. Both the cameras feature the same body design (Compact).

Before we go right into a in-depth comparison, here is a simple summary of how the RZ18 matches up vs the WX50 when it comes to portability, imaging, features and an overall grade.

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Reasons to pick Pentax RZ18 over the Sony WX50

 RZ18 WX50 
Manually focus More accurate focus
Screen size3"2.7"Bigger screen (+0.3")

Reasons to pick Sony WX50 over the Pentax RZ18

 WX50 RZ18 
Screen resolution461k460kCrisper screen (+1k dot)

Common features in the Pentax RZ18 and Sony WX50

 RZ18 WX50 
RevealedSeptember 2011January 2012Same generation
Screen typeFixed Fixed Fixed screen
Selfie screen Neither provides selfie screen
Touch screen Neither provides Touch screen

Pentax RZ18 vs Sony WX50 Physical Comparison

For those who are going to lug around your camera, you should take into account its weight and volume. The Pentax RZ18 provides external measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") having a weight of 178 grams (0.39 lbs) and the Sony WX50 has sizing of 92mm x 52mm x 19mm (3.6" x 2.0" x 0.7") and a weight of 117 grams (0.26 lbs).

Look at the Pentax RZ18 and Sony WX50 in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will differ based on the lens you are employing at the time. Here is a front view measurement comparison of the RZ18 versus the WX50.

Pentax RZ18 vs Sony WX50 size comparison

Taking into consideration size and weight, the portability grade of the RZ18 and WX50 is 92 and 96 respectively.

Pentax RZ18 vs Sony WX50 top view buttons comparison

Pentax RZ18 vs Sony WX50 Sensor Comparison

In many cases, it can be difficult to picture the contrast in sensor measurements purely by researching technical specs. The visual underneath should provide you a stronger sense of the sensor measurements in the RZ18 and WX50.

As you can tell, the two cameras come with the identical sensor size and the exact same MP and you should expect comparable quality of images but you will want to consider the release date of the cameras into account.

Pentax RZ18 vs Sony WX50 sensor size comparison

Pentax RZ18 vs Sony WX50 Screen and ViewFinder

Pentax RZ18 vs Sony WX50 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax RZ18
Portrait photography with Sony WX50
36
you can focus manually
sensor resolution is decent (16 megapixels)
manual exposure not possible
can't use external flash
sensor size is very small (1/2.3")
has no RAW format
34
decent megapixels (16MP)
comes with face detection focus
no manual focus
lack of manual mode
external flash not possible
sensor size is tiny (1/2.3")
doesn't have RAW format
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Street Comparison

Street photography with Pentax RZ18
Street photography with Sony WX50
65
has image stabilization (Sensor-shift)
weather sealing
lighter than competitors (178 grams)
fixed screen
sensor size is very small (1/2.3")
has no RAW format
63
has image stabilization (Optical)
lighter than average (117 grams)
no articulating screen
sensor size is tiny (1/2.3")
doesn't have RAW format
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Sports Comparison

Pentax RZ18 Sports photography info
Sony WX50 Sports photography info
47
excellent zoom range (25-450mm 18.0 x zoom)
has image stabilization (Sensor-shift)
sensor resolution is decent (16 megapixels)
supports tracking autofocus
weather sealing
continuous shooting slow (1.0 fps)
no shutter priority mode
sensor size is very small (1/2.3")
has no phase detect autofocus
44
has image stabilization (Optical)
decent megapixels (16 megapixels)
comes with tracking autofocus
lack of shutter priority mode
sensor size is tiny (1/2.3")
doesn't have phase detect auto focus
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Travel Comparison

Pentax RZ18 Travel photography advice
Sony WX50 Travel photography advice
71
lighter than competitors (178 grams)
weather sealing
sensor resolution is decent (16MP)
built-in flash
rather wide (25mm)
very long reach (450mm)
lack of Timelapse recording
does not have selfie friendly screen
sluggish max aperture (f3.5)
69
lighter than average (117 grams)
decent megapixels (16 megapixels)
has built in flash
reasonably wide (25mm)
missing Timelapse mode
doesn't feature selfie friendly screen
slow max aperture (f2.6)
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Landscape Comparison

Landscape photography with Pentax RZ18
Landscape photography with Sony WX50
49
you can focus manually
rather wide (25mm)
pretty good screen size (3 inches)
has image stabilization (Sensor-shift)
sensor resolution is decent (16 megapixels)
weather sealing
lens is fixed (fixed lens mount)
sluggish max aperture (f3.5)
manual exposure not possible
sensor size is very small (1/2.3")
has no RAW format
lack of Timelapse recording
38
reasonably wide (25mm)
has image stabilization (Optical)
decent megapixels (16MP)
no manual focus
lens is fixed (fixed lens mount)
slow max aperture (f2.6)
tiny screen (2.7 inches)
lack of manual mode
sensor size is tiny (1/2.3")
doesn't have RAW format
missing Timelapse mode
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Vlogging Comparison

Pentax RZ18 Vlogging factors
Sony WX50 Vlogging factors
30
rather wide (25mm)
has image stabilization (Sensor-shift)
lighter than competitors (178g)
sluggish max aperture (f3.5)
does not have selfie friendly screen
low res video (1280 x 720 resolution)
lack of external microphone jack
35
reasonably wide (25mm)
has image stabilization (Optical)
comes with face detection focus
good video quality (1920 x 1080 resolution)
lighter than average (117 grams)
slow max aperture (f2.6)
doesn't feature selfie friendly screen
missing external microphone port
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Pentax RZ18 vs Sony WX50 Specifications

Detailed spec comparison table for Pentax RZ18 and Sony WX50
 Pentax Optio RZ18Sony Cyber-shot DSC-WX50
General Information
Company Pentax Sony
Model Pentax Optio RZ18 Sony Cyber-shot DSC-WX50
Type Small Sensor Superzoom Small Sensor Compact
Launched 2011-09-12 2012-01-30
Body design Compact Compact
Sensor Information
Powered by - BIONZ
Sensor type CCD BSI-CMOS
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.08 x 4.56mm 6.17 x 4.55mm
Sensor surface area 27.7mm² 28.1mm²
Sensor resolution 16 megapixel 16 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 16:9 4:3 and 16:9
Full resolution 4608 x 3456 4608 x 3456
Max native ISO 6400 12800
Min native ISO 80 100
RAW photos
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
AF selectice
Center weighted AF
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 9 -
Cross focus points - -
Lens
Lens mount fixed lens fixed lens
Lens focal range 25-450mm (18.0x) 25-125mm (5.0x)
Maximal aperture f/3.5-5.9 f/2.6-6.3
Macro focus range 4cm 5cm
Focal length multiplier 5.9 5.8
Screen
Range of screen Fixed Type Fixed Type
Screen size 3 inches 2.7 inches
Resolution of screen 460k dot 461k dot
Selfie friendly
Liveview
Touch function
Screen tech TFT color LCD with Anti-reflective coating Clearfoto TFT LCD display
Viewfinder Information
Viewfinder None None
Features
Slowest shutter speed 4 secs 4 secs
Maximum shutter speed 1/2000 secs 1/1600 secs
Continuous shooting speed 1.0 frames/s 10.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Change WB
Image stabilization
Inbuilt flash
Flash range 2.80 m 5.30 m
Flash options Auto, On, Off, Red-eye, Soft Auto, On, Off, Slow Sync
External flash
AE bracketing
WB bracketing
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) 1920 x 1080 (60 fps), 1440 x 1080 (30 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps)
Max video resolution 1280x720 1920x1080
Video data format Motion JPEG MPEG-4, AVCHD
Microphone jack
Headphone jack
Connectivity
Wireless Eye-Fi Connected None
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 178 gr (0.39 lb) 117 gr (0.26 lb)
Physical dimensions 97 x 61 x 33mm (3.8" x 2.4" x 1.3") 92 x 52 x 19mm (3.6" x 2.0" x 0.7")
DXO scores
DXO All around score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life - 240 photographs
Battery form - Battery Pack
Battery model D-LI92 NP-BN
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse feature
Storage media SD/SDHC/SDXC, Internal SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Storage slots 1 1
Launch pricing $210 $250