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Pentax RZ18 vs Samsung ST150F

Portability
92
Imaging
39
Features
37
Overall
38
Pentax Optio RZ18 front
 
Samsung ST150F front
Portability
96
Imaging
39
Features
30
Overall
35

Pentax RZ18 vs Samsung ST150F 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
  • Launched September 2011
Samsung ST150F
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 3200
  • 1280 x 720 video
  • 25-125mm (F2.5-6.3) lens
  • 114g - 94 x 58 x 18mm
  • Revealed January 2013
Photography Glossary

Pentax RZ18 vs Samsung ST150F Overview

Below, we will be comparing the Pentax RZ18 and Samsung ST150F, one is a Small Sensor Superzoom and the latter is a Small Sensor Compact by rivals Pentax and Samsung. The resolution of the RZ18 (16MP) and the ST150F (16MP) is relatively close and they enjoy the exact same sensor dimensions (1/2.3").

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The RZ18 was announced 16 months earlier than the ST150F which makes the cameras a generation away from one another. Each of these cameras come with the identical body type (Compact).

Before going in to a in depth comparison, below is a quick introduction of how the RZ18 scores vs the ST150F in regards to portability, imaging, features and an overall score.

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Reasons to pick Pentax RZ18 over the Samsung ST150F

 RZ18 ST150F 
Manually focus More exact focus
Screen resolution460k230kCrisper screen (+230k dot)

Reasons to pick Samsung ST150F over the Pentax RZ18

 ST150F RZ18 
RevealedJanuary 2013September 2011More modern by 16 months

Common features in the Pentax RZ18 and Samsung ST150F

 RZ18 ST150F 
Screen typeFixed Fixed Fixed screen
Screen dimension3"3"Identical screen sizing
Selfie screen No selfie screen
Touch friendly screen Neither includes Touch friendly screen

Pentax RZ18 vs Samsung ST150F Physical Comparison

For those who are looking to carry around your camera frequently, you'll need to consider its weight and dimensions. The Pentax RZ18 features physical dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") accompanied by a weight of 178 grams (0.39 lbs) whilst the Samsung ST150F has dimensions of 94mm x 58mm x 18mm (3.7" x 2.3" x 0.7") along with a weight of 114 grams (0.25 lbs).

Contrast the Pentax RZ18 and Samsung ST150F in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you are working with during that time. The following is the front view measurements comparison of the RZ18 versus the ST150F.

Pentax RZ18 vs Samsung ST150F size comparison

Taking into consideration dimensions and weight, the portability rating of the RZ18 and ST150F is 92 and 96 respectively.

Pentax RZ18 vs Samsung ST150F top view buttons comparison

Pentax RZ18 vs Samsung ST150F Sensor Comparison

Normally, it is very hard to visualize the difference in sensor sizes only by looking through specs. The picture here may offer you a much better sense of the sensor dimensions in the RZ18 and ST150F.

As you can plainly see, each of these cameras posses the exact same sensor measurements and the identical megapixels therefore you should expect comparable quality of photos but you need to consider the release date of the cameras into account. The more aged RZ18 will be disadvantaged when it comes to sensor technology.

Pentax RZ18 vs Samsung ST150F sensor size comparison

Pentax RZ18 vs Samsung ST150F Screen and ViewFinder

Pentax RZ18 vs Samsung ST150F Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax RZ18 Portrait photography details
Samsung ST150F Portrait photography details
36
focusing manually
decent sensor resolution (16 megapixels)
manual exposure not possible
can't use external flash
very small sensor size (1/2.3")
no RAW files
34
megapixel count good (16MP)
supports face detection autofocus
lack of manual focus
manual exposure not available
can't use external flash
sensor size is small (1/2.3")
lacks RAW format
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Street Comparison

Pentax RZ18 Street photography factors
Samsung ST150F Street photography factors
65
image stabilization (Sensor-shift)
weather proofing
lighter than average (178g)
screen is fixed
very small sensor size (1/2.3")
no RAW files
56
lighter than competition (114g)
no moving screen
lack of image stabilization
sensor size is small (1/2.3")
lacks RAW format
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Sports Comparison

Sports photography with Pentax RZ18
Sports photography with Samsung ST150F
47
long zoom range (25-450mm 18.0 x zoom)
image stabilization (Sensor-shift)
decent sensor resolution (16MP)
features tracking focus
weather proofing
slow fps (1.0 frames per second)
lack of shutter priority mode
very small sensor size (1/2.3")
no phase detect autofocus
36
megapixel count good (16MP)
supports tracking autofocus
no shutter priority mode
lack of image stabilization
sensor size is small (1/2.3")
lacks phase detect autofocus
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Travel Comparison

Travel photography with Pentax RZ18
Travel photography with Samsung ST150F
71
lighter than average (178 grams)
weather proofing
decent sensor resolution (16MP)
has built in flash
rather wide (25mm)
great zoom (450mm)
lack of Timelapse recording
screen isn't selfie friendly
sluggish maximum aperture (f3.5)
69
lighter than competition (114g)
megapixel count good (16 megapixels)
flash built-in
relatively wide (25mm)
doesn't have Time Lapse recording
display is not selfie friendly
slow max aperture (f2.5)
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Landscape Comparison

Pentax RZ18 Landscape photography features
Samsung ST150F Landscape photography features
49
focusing manually
rather wide (25mm)
screen size is decent (3 inches)
image stabilization (Sensor-shift)
decent sensor resolution (16MP)
weather proofing
fixed lens (fixed lens mount)
sluggish maximum aperture (f3.5)
manual exposure not possible
very small sensor size (1/2.3")
no RAW files
lack of Timelapse recording
38
relatively wide (25mm)
pretty good screen size (3 inch)
megapixel count good (16 megapixels)
lack of manual focus
lens is fixed (fixed lens mount)
slow max aperture (f2.5)
manual exposure not available
lack of image stabilization
sensor size is small (1/2.3")
lacks RAW format
doesn't have Time Lapse recording
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Vlogging Comparison

Vlogging with Pentax RZ18
Vlogging with Samsung ST150F
30
rather wide (25mm)
image stabilization (Sensor-shift)
lighter than average (178 grams)
sluggish maximum aperture (f3.5)
screen isn't selfie friendly
video resolution low (1280 x 720 resolution)
lack of microphone jack
30
relatively wide (25mm)
supports face detection autofocus
lighter than competition (114 grams)
slow max aperture (f2.5)
display is not selfie friendly
lack of image stabilization
low res video (1280 x 720 pxls)
doesn't have external mic jack
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Pentax RZ18 vs Samsung ST150F Specifications

Detailed spec comparison table for Pentax RZ18 and Samsung ST150F
 Pentax Optio RZ18Samsung ST150F
General Information
Make Pentax Samsung
Model type Pentax Optio RZ18 Samsung ST150F
Class Small Sensor Superzoom Small Sensor Compact
Launched 2011-09-12 2013-01-07
Body design Compact Compact
Sensor Information
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor dimensions 6.08 x 4.56mm 6.17 x 4.55mm
Sensor surface area 27.7mm² 28.1mm²
Sensor resolution 16 megapixels 16 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3 and 16:9 -
Full resolution 4608 x 3456 4608 x 3456
Max native ISO 6400 3200
Minimum native ISO 80 100
RAW images
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Autofocus single
Tracking autofocus
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Total focus points 9 -
Cross type focus points - -
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 25-450mm (18.0x) 25-125mm (5.0x)
Maximum aperture f/3.5-5.9 f/2.5-6.3
Macro focusing distance 4cm -
Crop factor 5.9 5.8
Screen
Display type Fixed Type Fixed Type
Display diagonal 3 inches 3 inches
Display resolution 460k dot 230k dot
Selfie friendly
Liveview
Touch operation
Display technology TFT color LCD with Anti-reflective coating QVGA TFT LCD
Viewfinder Information
Viewfinder None None
Features
Lowest shutter speed 4 seconds 1 seconds
Highest shutter speed 1/2000 seconds 1/2000 seconds
Continuous shooting speed 1.0fps -
Shutter priority
Aperture priority
Manually set exposure
Set white balance
Image stabilization
Inbuilt flash
Flash distance 2.80 m -
Flash settings Auto, On, Off, Red-eye, Soft -
External flash
AE bracketing
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) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15fps)
Max video resolution 1280x720 1280x720
Video format Motion JPEG MPEG-4, H.264
Mic input
Headphone input
Connectivity
Wireless Eye-Fi Connected Built-In
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 178g (0.39 pounds) 114g (0.25 pounds)
Dimensions 97 x 61 x 33mm (3.8" x 2.4" x 1.3") 94 x 58 x 18mm (3.7" x 2.3" x 0.7")
DXO scores
DXO All around rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery ID D-LI92 -
Self timer Yes (2 or 10 sec) Yes
Time lapse recording
Type of storage SD/SDHC/SDXC, Internal microSD/microSDHC/microSDXC
Storage slots One One
Cost at launch $210 $300