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Pentax K-5 IIs vs Pentax RZ18

Portability
60
Imaging
58
Features
83
Overall
68
Pentax K-5 IIs front
 
Pentax Optio RZ18 front
Portability
92
Imaging
39
Features
37
Overall
38

Pentax K-5 IIs vs Pentax RZ18 Key Specs

Pentax K-5 IIs
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 12800 (Raise to 51200)
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 760g - 131 x 97 x 73mm
  • Introduced June 2013
  • Succeeded the Pentax K-5
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
  • Announced September 2011
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Pentax K-5 IIs vs Pentax RZ18 Overview

Let's look more in depth at the Pentax K-5 IIs versus Pentax RZ18, one is a Advanced DSLR and the other is a Small Sensor Superzoom and they are both produced by Pentax. The resolution of the K-5 IIs (16MP) and the RZ18 (16MP) is fairly comparable but the K-5 IIs (APS-C) and RZ18 (1/2.3") offer totally different sensor sizes.

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The K-5 IIs was brought out 22 months after the RZ18 making them a generation away from each other. The two cameras feature different body design with the Pentax K-5 IIs being a Mid-size SLR camera and the Pentax RZ18 being a Compact camera.

Before diving straight to a more detailed comparison, here is a short view of how the K-5 IIs matches up against the RZ18 in terms of portability, imaging, features and an overall score.

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Reasons to pick Pentax K-5 IIs over the Pentax RZ18

 K-5 IIs RZ18 
AnnouncedJune 2013September 2011More modern by 22 months
Display resolution921k460kCrisper display (+461k dot)

Reasons to pick Pentax RZ18 over the Pentax K-5 IIs

 RZ18 K-5 IIs 

Common features in the Pentax K-5 IIs and Pentax RZ18

 K-5 IIs RZ18 
Focus manually Very accurate focusing
Display typeFixed Fixed Fixed display
Display size3"3"Same display dimensions
Selfie screen Neither offers selfie screen
Touch display Neither offers Touch display

Pentax K-5 IIs vs Pentax RZ18 Physical Comparison

If you are intending to carry around your camera, you have to think about its weight and proportions. The Pentax K-5 IIs offers outside measurements of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 760 grams (1.68 lbs) and the Pentax RZ18 has measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") and a weight of 178 grams (0.39 lbs).

Check out the Pentax K-5 IIs versus Pentax RZ18 in the new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will vary dependant on the lens you use during that time. Below is a front view dimensions comparison of the K-5 IIs and the RZ18.

Pentax K-5 IIs vs Pentax RZ18 size comparison

Looking at size and weight, the portability rating of the K-5 IIs and RZ18 is 60 and 92 respectively.

Pentax K-5 IIs vs Pentax RZ18 top view buttons comparison

Pentax K-5 IIs vs Pentax RZ18 Sensor Comparison

Oftentimes, it can be difficult to envision the gap in sensor sizes only by checking out specifications. The pic here may provide you a much better sense of the sensor measurements in the K-5 IIs and RZ18.

Plainly, both cameras come with the identical resolution but not the same sensor sizes. The K-5 IIs comes with the larger sensor which is going to make getting shallower DOF simpler. The newer K-5 IIs will have an advantage with regard to sensor innovation.

Pentax K-5 IIs vs Pentax RZ18 sensor size comparison

Pentax K-5 IIs vs Pentax RZ18 Screen and ViewFinder

Pentax K-5 IIs vs Pentax RZ18 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-5 IIs Portrait photography info
Pentax RZ18 Portrait photography info
74
you can focus manually
MP count good (16MP)
decent sensor size (APS-C)
supports face detect focus
delivers RAW files
36
focusing manually
sensor resolution is decent (16 megapixels)
manual mode not available
external flash not possible
sensor size is small (1/2.3")
no RAW format
Photography Glossary

Street Comparison

Pentax K-5 IIs Street photography info
Pentax RZ18 Street photography info
67
has image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW files
weather sealing
fixed screen
65
built in image stabilization (Sensor-shift)
weather proofing
lighter than competitors (178g)
no articulating screen
sensor size is small (1/2.3")
no RAW format
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Sports Comparison

Sports photography with Pentax K-5 IIs
Sports photography with Pentax RZ18
79
high shutter speed (1/8,000s)
has image stabilization (Sensor based)
MP count good (16MP)
decent sensor size (APS-C)
supports tracking focus
weather sealing
supports phase detect auto focus
47
incredible zoom range (25-450mm 18.0 x zoom)
built in image stabilization (Sensor-shift)
sensor resolution is decent (16 megapixels)
comes with tracking autofocus
weather proofing
max fps very slow (1.0 fps)
lack of shutter priority mode
sensor size is small (1/2.3")
no phase detect auto focus
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Travel Comparison

Pentax K-5 IIs Travel photography details
Pentax RZ18 Travel photography details
65
weather sealing
MP count good (16MP)
has built in flash
display isn't selfie friendly
71
lighter than competitors (178g)
weather proofing
sensor resolution is decent (16MP)
flash built-in
reasonably wide (25mm)
very long zoom (450mm)
doesn't have Time Lapse recording
does not have selfie friendly screen
somewhat slow maximum aperture (f3.5)
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Landscape Comparison

Pentax K-5 IIs as a Landscape photography camera
Pentax RZ18 as a Landscape photography camera
79
you can focus manually
switch lenses (Pentax KAF2 mount)
nice screen size (3 inch)
has image stabilization (Sensor based)
MP count good (16 megapixels)
decent sensor size (APS-C)
no anti-alias filter
delivers RAW files
weather sealing
49
focusing manually
reasonably wide (25mm)
pretty good screen size (3")
built in image stabilization (Sensor-shift)
sensor resolution is decent (16 megapixels)
weather proofing
lens is fixed (fixed lens mount)
somewhat slow maximum aperture (f3.5)
manual mode not available
sensor size is small (1/2.3")
no RAW format
doesn't have Time Lapse recording
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Vlogging Comparison

Pentax K-5 IIs as a Vlogging camera
Pentax RZ18 as a Vlogging camera
33
has image stabilization (Sensor based)
supports face detect focus
video res high (1920 x 1080 pxls)
comes with mic support
display isn't selfie friendly
30
reasonably wide (25mm)
built in image stabilization (Sensor-shift)
lighter than competitors (178g)
somewhat slow maximum aperture (f3.5)
does not have selfie friendly screen
low quality video (1280 x 720 resolution)
doesn't have external mic jack
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Pentax K-5 IIs vs Pentax RZ18 Specifications

Detailed spec comparison table for Pentax K-5 IIs and Pentax RZ18
 Pentax K-5 IIsPentax Optio RZ18
General Information
Brand Pentax Pentax
Model Pentax K-5 IIs Pentax Optio RZ18
Class Advanced DSLR Small Sensor Superzoom
Introduced 2013-06-04 2011-09-12
Body design Mid-size SLR Compact
Sensor Information
Powered by Prime II -
Sensor type CMOS CCD
Sensor size APS-C 1/2.3"
Sensor dimensions 23.7 x 15.7mm 6.08 x 4.56mm
Sensor surface area 372.1mm² 27.7mm²
Sensor resolution 16MP 16MP
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3 and 16:9
Peak resolution 4928 x 3264 4608 x 3456
Highest native ISO 12800 6400
Highest enhanced ISO 51200 -
Minimum native ISO 100 80
RAW files
Minimum enhanced ISO 80 -
Autofocusing
Focus manually
Touch focus
Continuous autofocus
Single autofocus
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Autofocus multi area
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 11 9
Cross focus points 9 -
Lens
Lens mounting type Pentax KAF2 fixed lens
Lens focal range - 25-450mm (18.0x)
Max aperture - f/3.5-5.9
Macro focus range - 4cm
Number of lenses 151 -
Crop factor 1.5 5.9
Screen
Range of screen Fixed Type Fixed Type
Screen diagonal 3" 3"
Screen resolution 921k dot 460k dot
Selfie friendly
Liveview
Touch operation
Screen technology TFT LCD monitor TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 100 percent -
Viewfinder magnification 0.61x -
Features
Min shutter speed 30 seconds 4 seconds
Max shutter speed 1/8000 seconds 1/2000 seconds
Continuous shutter speed 7.0fps 1.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Custom white balance
Image stabilization
Built-in flash
Flash range 13.00 m (at ISO 100) 2.80 m
Flash modes Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless Auto, On, Off, Red-eye, Soft
External flash
AEB
White balance bracketing
Max flash sync 1/180 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 480 (25, 30 fps) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution 1920x1080 1280x720
Video file format Motion JPEG Motion JPEG
Mic input
Headphone input
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 760 gr (1.68 lbs) 178 gr (0.39 lbs)
Physical dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 97 x 61 x 33mm (3.8" x 2.4" x 1.3")
DXO scores
DXO Overall score 82 not tested
DXO Color Depth score 23.9 not tested
DXO Dynamic range score 14.1 not tested
DXO Low light score 1208 not tested
Other
Battery life 980 photographs -
Battery format Battery Pack -
Battery model D-LI90 D-LI92
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec)
Time lapse recording
Storage media SD/SDHC/SDXC SD/SDHC/SDXC, Internal
Storage slots One One
Price at release $749 $210