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Pentax K-1 II vs Pentax RZ18

Portability
55
Imaging
78
Features
82
Overall
79
Pentax K-1 Mark II front
 
Pentax Optio RZ18 front
Portability
92
Imaging
39
Features
37
Overall
38

Pentax K-1 II vs Pentax RZ18 Key Specs

Pentax K-1 II
(Full Review)
  • 36MP - Full frame Sensor
  • 3.2" Fully Articulated Screen
  • ISO 100 - 819200
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Max Shutter
  • 1920 x 1080 video
  • Pentax KAF4 Mount
  • 1010g - 137 x 110 x 86mm
  • Announced February 2018
  • Superseded the Pentax K-1
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
  • Introduced September 2011
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Pentax K-1 II vs Pentax RZ18 Overview

Below, we will be evaluating the Pentax K-1 II versus Pentax RZ18, former being a Advanced DSLR while the latter is a Small Sensor Superzoom and both are offered by Pentax. There is a sizable difference between the sensor resolutions of the K-1 II (36MP) and RZ18 (16MP) and the K-1 II (Full frame) and RZ18 (1/2.3") enjoy different sensor sizes.

Photography Glossary

The K-1 II was introduced 6 years later than the RZ18 and that is quite a significant difference as far as tech is concerned. Each of the cameras come with different body type with the Pentax K-1 II being a Mid-size SLR camera and the Pentax RZ18 being a Compact camera.

Before diving through a full comparison, below is a simple view of how the K-1 II grades versus the RZ18 in the way of portability, imaging, features and an overall grade.

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Reasons to pick Pentax K-1 II over the Pentax RZ18

 K-1 II RZ18 
IntroducedFebruary 2018September 2011More recent by 79 months
Screen typeFully ArticulatedFixed Fully Articulating screen
Screen dimension3.2"3"Bigger screen (+0.2")
Screen resolution1037k460kClearer screen (+577k dot)

Reasons to pick Pentax RZ18 over the Pentax K-1 II

 RZ18 K-1 II 

Common features in the Pentax K-1 II and Pentax RZ18

 K-1 II RZ18 
Manual focus Very precise focus
Selfie screen Neither provides selfie screen
Touch friendly screen Missing Touch friendly screen

Pentax K-1 II vs Pentax RZ18 Physical Comparison

If you're aiming to lug around your camera, you will have to think about its weight and proportions. The Pentax K-1 II provides physical measurements of 137mm x 110mm x 86mm (5.4" x 4.3" x 3.4") having a weight of 1010 grams (2.23 lbs) whilst the Pentax RZ18 has measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") with a weight of 178 grams (0.39 lbs).

Look at the Pentax K-1 II versus Pentax RZ18 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an ILC will change based on the lens you select at that moment. The following is the front view sizing comparison of the K-1 II compared to the RZ18.

Pentax K-1 II vs Pentax RZ18 size comparison

Using size and weight, the portability grade of the K-1 II and RZ18 is 55 and 92 respectively.

Pentax K-1 II vs Pentax RZ18 top view buttons comparison

Pentax K-1 II vs Pentax RZ18 Sensor Comparison

Often, it is very hard to picture the gap between sensor measurements merely by going over specs. The graphic here may offer you a more clear sense of the sensor measurements in the K-1 II and RZ18.

As you can plainly see, both of the cameras posses different megapixels and different sensor measurements. The K-1 II having a bigger sensor is going to make achieving shallow DOF easier and the Pentax K-1 II will deliver greater detail using its extra 20MP. Higher resolution will also enable you to crop shots somewhat more aggressively. The fresher K-1 II should have an advantage when it comes to sensor tech.

Pentax K-1 II vs Pentax RZ18 sensor size comparison

Pentax K-1 II vs Pentax RZ18 Screen and ViewFinder

Pentax K-1 II vs Pentax RZ18 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-1 II as a Portrait photography camera
Pentax RZ18 as a Portrait photography camera
86
you can focus manually
high sensor resolution (36MP)
big sensor size (Full frame)
includes face detection autofocus
delivers RAW files
36
you can focus manually
decent sensor resolution (16MP)
manual mode not possible
cannot use external flash
sensor size is small (1/2.3")
has no RAW format
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Street Comparison

Pentax K-1 II Street photography features
Pentax RZ18 Street photography features
70
screen articulates
has image stabilization (Sensor based 5-axis)
big sensor size (Full frame)
delivers RAW files
weather sealing
great ISO range (819,200)
more heavy than competitors in class (1,010 grams)
65
image stabilization (Sensor-shift)
environment proof
lighter than competition (178g)
fixed screen
sensor size is small (1/2.3")
has no RAW format
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Sports Comparison

Pentax K-1 II Sports photography advice
Pentax RZ18 Sports photography advice
77
max shutter speed is good (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
high sensor resolution (36 megapixels)
big sensor size (Full frame)
includes tracking autofocus
weather sealing
sensor has phase detect autofocus
continuous shooting slow (4.4 fps)
not so great battery life (670 CIPA)
47
incredible zoom range (25-450mm 18.0 x zoom)
image stabilization (Sensor-shift)
decent sensor resolution (16MP)
comes with tracking autofocus
environment proof
slow continuous shooting (1.0 fps)
no shutter priority mode
sensor size is small (1/2.3")
has no phase detect autofocus
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Travel Comparison

Pentax K-1 II Travel photography details
Pentax RZ18 Travel photography details
53
weather sealing
high sensor resolution (36MP)
not so great battery life (670 shots)
more heavy than competitors in class (1,010 grams)
screen isn't selfie friendly
71
lighter than competition (178g)
environment proof
decent sensor resolution (16 megapixels)
flash built-in
really wide (25mm)
very long reach (450mm)
missing Timelapse mode
doesn't contain selfie friendly screen
slow max aperture (f3.5)
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Landscape Comparison

Pentax K-1 II Landscape photography highlights
Pentax RZ18 Landscape photography highlights
82
you can focus manually
swap lenses (Pentax KAF4 mount)
screen size is decent (3.2")
has image stabilization (Sensor based 5-axis)
high sensor resolution (36MP)
big sensor size (Full frame)
doesnt have anti-alias filter
great ISO range (819,200)
delivers RAW files
weather sealing
2 card slots
not so great battery life (670 CIPA)
49
you can focus manually
really wide (25mm)
screen size is good (3 inches)
image stabilization (Sensor-shift)
decent sensor resolution (16 megapixels)
environment proof
fixed lens (fixed lens mount)
slow max aperture (f3.5)
manual mode not possible
sensor size is small (1/2.3")
has no RAW format
missing Timelapse mode
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Vlogging Comparison

Pentax K-1 II as a Vlogging camera
Pentax RZ18 as a Vlogging camera
32
has image stabilization (Sensor based 5-axis)
includes face detection autofocus
video resolution high (1920 x 1080 pxls)
includes external microphone support
screen isn't selfie friendly
more heavy than competitors in class (1,010 grams)
30
really wide (25mm)
image stabilization (Sensor-shift)
lighter than competition (178 grams)
slow max aperture (f3.5)
doesn't contain selfie friendly screen
video resolution low (1280 x 720 pixels)
missing external microphone port
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Pentax K-1 II vs Pentax RZ18 Specifications

Detailed spec comparison table for Pentax K-1 II and Pentax RZ18
 Pentax K-1 Mark IIPentax Optio RZ18
General Information
Make Pentax Pentax
Model type Pentax K-1 Mark II Pentax Optio RZ18
Type Advanced DSLR Small Sensor Superzoom
Announced 2018-02-22 2011-09-12
Body design Mid-size SLR Compact
Sensor Information
Powered by PRIME IV -
Sensor type CMOS CCD
Sensor size Full frame 1/2.3"
Sensor measurements 35.9 x 24mm 6.08 x 4.56mm
Sensor surface area 861.6mm² 27.7mm²
Sensor resolution 36MP 16MP
Anti alias filter
Aspect ratio 3:2 1:1, 4:3 and 16:9
Maximum resolution 7360 x 4912 4608 x 3456
Maximum native ISO 819200 6400
Minimum native ISO 100 80
RAW support
Autofocusing
Manual focusing
AF touch
Continuous AF
AF single
AF tracking
AF selectice
AF center weighted
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 33 9
Cross type focus points 25 -
Lens
Lens support Pentax KAF4 fixed lens
Lens zoom range - 25-450mm (18.0x)
Maximum aperture - f/3.5-5.9
Macro focusing range - 4cm
Number of lenses 151 -
Focal length multiplier 1 5.9
Screen
Range of screen Fully Articulated Fixed Type
Screen diagonal 3.2 inches 3 inches
Screen resolution 1,037k dot 460k dot
Selfie friendly
Liveview
Touch friendly
Screen tech - TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 100 percent -
Viewfinder magnification 0.7x -
Features
Lowest shutter speed 30s 4s
Highest shutter speed 1/8000s 1/2000s
Continuous shooting speed 4.4 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes -
Custom WB
Image stabilization
Integrated flash
Flash distance no built-in flash 2.80 m
Flash options Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync Auto, On, Off, Red-eye, Soft
External flash
AEB
White balance bracketing
Highest flash sync 1/200s -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Maximum video resolution 1920x1080 1280x720
Video file format MPEG-4, H.264 Motion JPEG
Microphone jack
Headphone jack
Connectivity
Wireless Auto Flash Discharge, Auto Flash + Red-eye Reduction, Flash On, Flash On + Red-eye Reduction, Slow-speed Sync, Slow-speed Sync + Red-eye, P-TTL, Trailing Curtain Sync, Contrast-control-sync, High-speed sync, Wireless sync Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Built-in None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1010 gr (2.23 pounds) 178 gr (0.39 pounds)
Dimensions 137 x 110 x 86mm (5.4" x 4.3" x 3.4") 97 x 61 x 33mm (3.8" x 2.4" x 1.3")
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 life 670 photos -
Battery form Battery Pack -
Battery ID D-LI90 D-LI92
Self timer Yes (2 or 12 sec, custom) Yes (2 or 10 sec)
Time lapse recording
Storage media Dual SD/SDHC/SDXC (UHS-I) SD/SDHC/SDXC, Internal
Storage slots Two 1
Launch cost $1,737 $210