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Pentax RZ18 vs Sony S950

Portability
92
Imaging
39
Features
37
Overall
38
Pentax Optio RZ18 front
 
Sony Cyber-shot DSC-S950 front
Portability
94
Imaging
33
Features
17
Overall
26

Pentax RZ18 vs Sony S950 Key Specs

Pentax RZ18
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 25-450mm (F3.5-5.9) lens
  • 178g - 97 x 61 x 33mm
  • Released September 2011
Sony S950
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 80 - 3200
  • Sensor-shift Image Stabilization
  • No Video
  • 33-132mm (F3.3-5.2) lens
  • 167g - 93 x 56 x 24mm
  • Launched February 2009
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Pentax RZ18 vs Sony S950 Overview

Here, we will be looking at the Pentax RZ18 vs Sony S950, one is a Small Sensor Superzoom and the latter is a Small Sensor Compact by rivals Pentax and Sony. There is a significant difference among the sensor resolutions of the RZ18 (16MP) and S950 (10MP) but both cameras posses the identical sensor dimensions (1/2.3").

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The RZ18 was introduced 2 years after the S950 which is a fairly sizable gap as far as camera tech is concerned. Both of the cameras feature the same body design (Compact).

Before diving straight to a comprehensive comparison, here is a concise summary of how the RZ18 grades versus the S950 with respect to portability, imaging, features and an overall mark.

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Reasons to pick Pentax RZ18 over the Sony S950

 RZ18 S950 
LaunchedSeptember 2011February 2009Newer by 32 months
Screen size3"2.7"Bigger screen (+0.3")
Screen resolution460k230kClearer screen (+230k dot)

Reasons to pick Sony S950 over the Pentax RZ18

 S950 RZ18 

Common features in the Pentax RZ18 and Sony S950

 RZ18 S950 
Focus manually More accurate focus
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen
Touch screen Absent Touch screen

Pentax RZ18 vs Sony S950 Physical Comparison

In case you're planning to travel with your camera frequently, you will have to consider its weight and proportions. The Pentax RZ18 comes with external dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") and a weight of 178 grams (0.39 lbs) while the Sony S950 has measurements of 93mm x 56mm x 24mm (3.7" x 2.2" x 0.9") and a weight of 167 grams (0.37 lbs).

Contrast the Pentax RZ18 vs Sony S950 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will differ based on the lens you have at that time. Following is a front view overall size comparison of the RZ18 and the S950.

Pentax RZ18 vs Sony S950 size comparison

Taking into consideration size and weight, the portability grade of the RZ18 and S950 is 92 and 94 respectively.

Pentax RZ18 vs Sony S950 top view buttons comparison

Pentax RZ18 vs Sony S950 Sensor Comparison

Generally, it is very difficult to visualize the difference in sensor dimensions simply by researching specifications. The image below may offer you a clearer sense of the sensor dimensions in the RZ18 and S950.

To sum up, both of the cameras come with the identical sensor size albeit different MP. You should count on the Pentax RZ18 to result in more detail using its extra 6 Megapixels. Higher resolution will also let you crop pictures a good deal more aggressively. The fresher RZ18 provides a benefit when it comes to sensor tech.

Pentax RZ18 vs Sony S950 sensor size comparison

Pentax RZ18 vs Sony S950 Screen and ViewFinder

Pentax RZ18 vs Sony S950 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax RZ18
Portrait photography with Sony S950
36
has manual focus
good MP (16MP)
no manual control
can't use external flash
tiny sensor (1/2.3")
no RAW support
26
manual focus
no manual exposure
external flash not possible
low MP (10 megapixels)
small sensor size (1/2.3")
lacks RAW support
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Street Comparison

Pentax RZ18 Street photography information
Sony S950 Street photography information
65
built in image stabilization (Sensor-shift)
weather proof
lighter than competitors (178g)
screen does not articulate
tiny sensor (1/2.3")
no RAW support
56
has image stabilization (Sensor-shift)
screen does not articulate
small sensor size (1/2.3")
lacks RAW support
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Sports Comparison

Pentax RZ18 Sports photography advice
Sony S950 Sports photography advice
47
excellent zoom range (25-450mm 18.0 x zoom)
built in image stabilization (Sensor-shift)
good MP (16 megapixels)
features tracking focus
weather proof
max frames per second very slow (1.0 fps)
no shutter priority mode
tiny sensor (1/2.3")
no phase detect autofocus
24
has image stabilization (Sensor-shift)
continuous shooting slow (1.0 frames per second)
no shutter priority mode
low MP (10MP)
small sensor size (1/2.3")
lacks phase detect autofocus
Photography Glossary

Travel Comparison

Pentax RZ18 as a Travel photography camera
Sony S950 as a Travel photography camera
71
lighter than competitors (178g)
weather proof
good MP (16MP)
built-in flash
fairly wide (25mm)
great zoom (450mm)
no Timelapse function
display isn't selfie friendly
slow max aperture (f3.5)
50
built-in flash
lack of Timelapse mode
low MP (10MP)
does not have selfie friendly display
wide angle not great (33mm)
slow max aperture (f3.3)
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Landscape Comparison

Pentax RZ18 Landscape photography factors
Sony S950 Landscape photography factors
49
has manual focus
fairly wide (25mm)
screen size is good (3 inch)
built in image stabilization (Sensor-shift)
good MP (16 megapixels)
weather proof
lens is fixed (fixed lens mount)
slow max aperture (f3.5)
no manual control
tiny sensor (1/2.3")
no RAW support
no Timelapse function
31
manual focus
has image stabilization (Sensor-shift)
fixed lens (fixed lens mount)
wide angle not great (33mm)
slow max aperture (f3.3)
screen is small (2.7")
no manual exposure
low MP (10 megapixels)
small sensor size (1/2.3")
lacks RAW support
lack of Timelapse mode
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Vlogging Comparison

Pentax RZ18 Vlogging factors
Sony S950 Vlogging factors
30
fairly wide (25mm)
built in image stabilization (Sensor-shift)
lighter than competitors (178 grams)
slow max aperture (f3.5)
display isn't selfie friendly
video resolution low (1280 x 720 resolution)
no microphone socket
9
no video
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Pentax RZ18 vs Sony S950 Specifications

Detailed spec comparison table for Pentax RZ18 and Sony S950
 Pentax Optio RZ18Sony Cyber-shot DSC-S950
General Information
Company Pentax Sony
Model Pentax Optio RZ18 Sony Cyber-shot DSC-S950
Class Small Sensor Superzoom Small Sensor Compact
Released 2011-09-12 2009-02-17
Body design Compact Compact
Sensor Information
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.08 x 4.56mm 6.17 x 4.55mm
Sensor area 27.7mm² 28.1mm²
Sensor resolution 16 megapixel 10 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3 and 16:9 4:3, 3:2 and 16:9
Max resolution 4608 x 3456 4000 x 3000
Max native ISO 6400 3200
Min native ISO 80 80
RAW photos
Autofocusing
Manual focus
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points 9 9
Lens
Lens mount fixed lens fixed lens
Lens focal range 25-450mm (18.0x) 33-132mm (4.0x)
Max aperture f/3.5-5.9 f/3.3-5.2
Macro focus distance 4cm 10cm
Crop factor 5.9 5.8
Screen
Display type Fixed Type Fixed Type
Display size 3" 2.7"
Display resolution 460 thousand dot 230 thousand dot
Selfie friendly
Liveview
Touch function
Display tech TFT color LCD with Anti-reflective coating -
Viewfinder Information
Viewfinder None None
Features
Minimum shutter speed 4 secs 2 secs
Fastest shutter speed 1/2000 secs 1/1600 secs
Continuous shutter speed 1.0 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Custom white balance
Image stabilization
Integrated flash
Flash range 2.80 m 3.50 m
Flash options Auto, On, Off, Red-eye, Soft Auto, On, Off, Red-Eye reduction, Slow Sync
Hot shoe
AEB
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) -
Max video resolution 1280x720 None
Video format Motion JPEG Motion JPEG
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
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 178 grams (0.39 lb) 167 grams (0.37 lb)
Physical dimensions 97 x 61 x 33mm (3.8" x 2.4" x 1.3") 93 x 56 x 24mm (3.7" x 2.2" x 0.9")
DXO scores
DXO Overall 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 model D-LI92 -
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC, Internal Memory Stick Duo / Pro Duo, Internal
Storage slots Single Single
Retail price $210 $130