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Pentax RZ18 vs Samsung ST6500

Portability
92
Imaging
39
Features
37
Overall
38
Pentax Optio RZ18 front
 
Samsung ST6500 front
Portability
99
Imaging
39
Features
29
Overall
35

Pentax RZ18 vs Samsung ST6500 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
Samsung ST6500
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 3200
  • 1280 x 720 video
  • 26-130mm (F) lens
  • n/ag - 102 x 57 x 19mm
  • Announced January 2011
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Pentax RZ18 vs Samsung ST6500 Overview

Lets look more in depth at the Pentax RZ18 and Samsung ST6500, one being a Small Sensor Superzoom and the other is a Ultracompact by companies Pentax and Samsung. The resolution of the RZ18 (16MP) and the ST6500 (16MP) is very comparable and both cameras have the same sensor measurements (1/2.3").

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The RZ18 was launched 8 months later than the ST6500 and they are both of a similar generation. The two cameras have different body design with the Pentax RZ18 being a Compact camera and the Samsung ST6500 being a Ultracompact camera.

Before diving right into a more detailed comparison, here is a concise summation of how the RZ18 grades vs the ST6500 with respect to portability, imaging, features and an overall rating.

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Reasons to pick Pentax RZ18 over the Samsung ST6500

 RZ18 ST6500 
AnnouncedSeptember 2011January 2011Fresher by 8 months
Focus manually Dial precise focusing

Reasons to pick Samsung ST6500 over the Pentax RZ18

 ST6500 RZ18 
Touch display Easily navigate

Common features in the Pentax RZ18 and Samsung ST6500

 RZ18 ST6500 
Display typeFixed Fixed Fixed display
Display dimensions3"3"Equal display measurements
Display resolution460k460kEqual display resolution
Selfie screen Absent selfie screen

Pentax RZ18 vs Samsung ST6500 Physical Comparison

For anyone who is aiming to carry your camera frequently, you are going to need to factor in its weight and size. The Pentax RZ18 has got physical measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") accompanied by a weight of 178 grams (0.39 lbs) and the Samsung ST6500 has specifications of 102mm x 57mm x 19mm (4.0" x 2.2" x 0.7") having a weight of n/a grams (0.00 lbs).

Check out the Pentax RZ18 and Samsung ST6500 in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an Interchangeable Lens Camera will vary based on the lens you have attached at that time. Underneath is a front view over all size comparison of the RZ18 compared to the ST6500.

Pentax RZ18 vs Samsung ST6500 size comparison

Taking into consideration dimensions and weight, the portability score of the RZ18 and ST6500 is 92 and 99 respectively.

Pentax RZ18 vs Samsung ST6500 top view buttons comparison

Pentax RZ18 vs Samsung ST6500 Sensor Comparison

Normally, it is tough to envision the contrast in sensor sizing purely by checking out specifications. The photograph here will give you a much better sense of the sensor measurements in the RZ18 and ST6500.

Plainly, both cameras provide the same sensor dimensions and the same MP and you should expect comparable quality of photos though you need to factor the production date of the cameras into account. The younger RZ18 will have a benefit when it comes to sensor tech.

Pentax RZ18 vs Samsung ST6500 sensor size comparison

Pentax RZ18 vs Samsung ST6500 Screen and ViewFinder

Pentax RZ18 vs Samsung ST6500 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax RZ18 Portrait photography details
Samsung ST6500 Portrait photography details
36
focusing manually
decent sensor resolution (16 megapixels)
manual exposure not possible
no external flash support
very small sensor size (1/2.3")
lacks RAW support
30
resolution is good (16 megapixels)
lack of manual focus
no manual control
no external flash support
sensor size is small (1/2.3")
lack of RAW format
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Street Comparison

Street photography with Pentax RZ18
Street photography with Samsung ST6500
65
built in image stabilization (Sensor-shift)
weather proofing
lighter than average (178g)
screen does not articulate
very small sensor size (1/2.3")
lacks RAW support
50
screen is fixed
no image stabilization
sensor size is small (1/2.3")
lack of RAW format
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Sports Comparison

Pentax RZ18 Sports photography factors
Samsung ST6500 Sports photography factors
47
excellent zoom range (25-450mm 18.0 x zoom)
built in image stabilization (Sensor-shift)
decent sensor resolution (16 megapixels)
provides tracking autofocus
weather proofing
slow fps (1.0 frames/s)
no shutter priority
very small sensor size (1/2.3")
lacks phase detect auto focus
29
resolution is good (16 megapixels)
lack of shutter priority mode
no image stabilization
sensor size is small (1/2.3")
lack of phase detect auto focus
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Travel Comparison

Travel photography with Pentax RZ18
Travel photography with Samsung ST6500
71
lighter than average (178g)
weather proofing
decent sensor resolution (16 megapixels)
built-in flash
rather wide (25mm)
very long reach (450mm)
does not have Timelapse mode
does not have selfie friendly screen
sluggish maximum aperture (f3.5)
74
resolution is good (16 megapixels)
has built in flash
relatively wide (26mm)
very good max aperture (f)
does not have Timelapse recording
doesn't have selfie friendly display
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Landscape Comparison

Pentax RZ18 Landscape photography info
Samsung ST6500 Landscape photography info
49
focusing manually
rather wide (25mm)
decent sized screen (3")
built in image stabilization (Sensor-shift)
decent sensor resolution (16 megapixels)
weather proofing
lens is fixed (fixed lens mount)
sluggish maximum aperture (f3.5)
manual exposure not possible
very small sensor size (1/2.3")
lacks RAW support
does not have Timelapse mode
43
relatively wide (26mm)
very good max aperture (f)
pretty good screen size (3 inches)
resolution is good (16 megapixels)
lack of manual focus
can't change lens (fixed lens mount)
no manual control
no image stabilization
sensor size is small (1/2.3")
lack of RAW format
does not have Timelapse recording
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Vlogging Comparison

Pentax RZ18 Vlogging information
Samsung ST6500 Vlogging information
30
rather wide (25mm)
built in image stabilization (Sensor-shift)
lighter than average (178 grams)
sluggish maximum aperture (f3.5)
does not have selfie friendly screen
video quality not great (1280 x 720 pixels)
does not have external microphone port
32
relatively wide (26mm)
very good max aperture (f)
touchscreen enabled
doesn't have selfie friendly display
no image stabilization
video quality not great (1280 x 720 resolution)
does not have external microphone port
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Pentax RZ18 vs Samsung ST6500 Specifications

Detailed spec comparison table for Pentax RZ18 and Samsung ST6500
 Pentax Optio RZ18Samsung ST6500
General Information
Make Pentax Samsung
Model type Pentax Optio RZ18 Samsung ST6500
Type Small Sensor Superzoom Ultracompact
Released 2011-09-12 2011-01-19
Body design Compact Ultracompact
Sensor Information
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.08 x 4.56mm 6.08 x 4.56mm
Sensor area 27.7mm² 27.7mm²
Sensor resolution 16MP 16MP
Anti alias filter
Aspect ratio 1:1, 4:3 and 16:9 4:3, 3:2 and 16:9
Maximum resolution 4608 x 3456 4608 x 3456
Maximum native ISO 6400 3200
Lowest native ISO 80 80
RAW images
Autofocusing
Focus manually
AF touch
Continuous AF
AF single
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 9 -
Cross type focus points - -
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 25-450mm (18.0x) 26-130mm (5.0x)
Highest aperture f/3.5-5.9 -
Macro focusing distance 4cm -
Focal length multiplier 5.9 5.9
Screen
Display type Fixed Type Fixed Type
Display sizing 3 inches 3 inches
Display resolution 460k dot 460k dot
Selfie friendly
Liveview
Touch functionality
Display tech TFT color LCD with Anti-reflective coating -
Viewfinder Information
Viewfinder None None
Features
Slowest shutter speed 4 secs 8 secs
Maximum shutter speed 1/2000 secs 1/2000 secs
Continuous shooting speed 1.0 frames per sec -
Shutter priority
Aperture priority
Manually set exposure
Set WB
Image stabilization
Inbuilt flash
Flash distance 2.80 m -
Flash modes Auto, On, Off, Red-eye, Soft -
Hot shoe
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
Maximum video resolution 1280x720 1280x720
Video format Motion JPEG -
Microphone jack
Headphone jack
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) none
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 178g (0.39 lb) -
Physical dimensions 97 x 61 x 33mm (3.8" x 2.4" x 1.3") 102 x 57 x 19mm (4.0" x 2.2" 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) -
Time lapse recording
Type of storage SD/SDHC/SDXC, Internal -
Storage slots One One
Retail price $210 -