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Casio EX-Z450 vs Pentax RZ18

Portability
96
Imaging
35
Features
24
Overall
30
Casio Exilim EX-Z450 front
 
Pentax Optio RZ18 front
Portability
92
Imaging
39
Features
37
Overall
38

Casio EX-Z450 vs Pentax RZ18 Key Specs

Casio EX-Z450
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 64 - 1600
  • 1280 x 720 video
  • 28-112mm (F2.6-5.8) lens
  • 128g - 81 x 56 x 21mm
  • Launched August 2009
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
  • Announced September 2011
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Casio EX-Z450 vs Pentax RZ18 Overview

Let's look more closely at the Casio EX-Z450 versus Pentax RZ18, former being a Small Sensor Compact while the latter is a Small Sensor Superzoom by manufacturers Casio and Pentax. There exists a sizable gap among the image resolutions of the EX-Z450 (12MP) and RZ18 (16MP) but they enjoy the exact same sensor size (1/2.3").

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The EX-Z450 was brought out 3 years prior to the RZ18 and that is a fairly significant difference as far as camera technology is concerned. Both the cameras come with the identical body type (Compact).

Before we go in to a step-by-step comparison, below is a simple highlight of how the EX-Z450 scores vs the RZ18 with regards to portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Casio EX-Z450 over the Pentax RZ18

 EX-Z450 RZ18 

Reasons to pick Pentax RZ18 over the Casio EX-Z450

 RZ18 EX-Z450 
AnnouncedSeptember 2011August 2009Fresher by 25 months
Screen resolution460k230kSharper screen (+230k dot)

Common features in the Casio EX-Z450 and Pentax RZ18

 EX-Z450 RZ18 
Focus manually Very accurate focusing
Screen typeFixed Fixed Fixed screen
Screen dimension3"3"Identical screen size
Selfie screen Absent selfie screen
Touch screen Neither features Touch screen

Casio EX-Z450 vs Pentax RZ18 Physical Comparison

If you are aiming to carry your camera frequently, you'll need to factor in its weight and proportions. The Casio EX-Z450 enjoys exterior measurements of 81mm x 56mm x 21mm (3.2" x 2.2" x 0.8") along with a weight of 128 grams (0.28 lbs) while 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 Casio EX-Z450 versus Pentax RZ18 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will differ based on the lens you are using at that time. Here is the front view scale comparison of the EX-Z450 compared to the RZ18.

Casio EX-Z450 vs Pentax RZ18 size comparison

Taking into account dimensions and weight, the portability score of the EX-Z450 and RZ18 is 96 and 92 respectively.

Casio EX-Z450 vs Pentax RZ18 top view buttons comparison

Casio EX-Z450 vs Pentax RZ18 Sensor Comparison

Quite often, it's hard to see the contrast in sensor sizing merely by viewing specifications. The visual underneath will help offer you a stronger sense of the sensor measurements in the EX-Z450 and RZ18.

To sum up, the two cameras posses the exact same sensor measurements albeit not the same megapixels. You can expect the Pentax RZ18 to result in extra detail having its extra 4MP. Higher resolution will allow you to crop shots somewhat more aggressively. The older EX-Z450 will be behind in sensor technology.

Casio EX-Z450 vs Pentax RZ18 sensor size comparison

Casio EX-Z450 vs Pentax RZ18 Screen and ViewFinder

Casio EX-Z450 vs Pentax RZ18 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Casio EX-Z450 Portrait photography information
Pentax RZ18 Portrait photography information
27
you can focus manually
no manual mode
external flash not possible
low megapixels (12MP)
small sensor size (1/2.3")
has no RAW format
36
has manual focus
megapixel count decent (16MP)
no manual exposure
can't use external flash
small sensor (1/2.3")
lack of RAW files
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Street Comparison

Casio EX-Z450 Street photography factors
Pentax RZ18 Street photography factors
55
lighter than competition (128 grams)
screen does not articulate
lack of image stabilization
small sensor size (1/2.3")
has no RAW format
65
image stabilization (Sensor-shift)
environment proof
lighter than competition (178 grams)
screen is fixed
small sensor (1/2.3")
lack of RAW files
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Sports Comparison

Casio EX-Z450 Sports photography information
Pentax RZ18 Sports photography information
17
low maximum shutter speed (1/1,000s)
no shutter priority
lack of image stabilization
low megapixels (12 megapixels)
small sensor size (1/2.3")
has no phase detect auto focus
47
amazing zoom range (25-450mm 18.0 x zoom)
image stabilization (Sensor-shift)
megapixel count decent (16 megapixels)
supports tracking autofocus
environment proof
continuous shooting slow (1.0 fps)
lack of shutter priority mode
small sensor (1/2.3")
lack of phase detect AF
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Travel Comparison

Travel photography with Casio EX-Z450
Travel photography with Pentax RZ18
62
lighter than competition (128g)
flash built-in
rather wide (28mm)
does not have Timelapse function
low megapixels (12 megapixels)
screen isn't selfie friendly
slow max aperture (f2.6)
71
lighter than competition (178 grams)
environment proof
megapixel count decent (16MP)
flash built-in
pretty wide (25mm)
very long zoom (450mm)
missing Time Lapse mode
doesn't posses selfie friendly screen
sluggish max aperture (f3.5)
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Landscape Comparison

Casio EX-Z450 Landscape photography info
Pentax RZ18 Landscape photography info
37
you can focus manually
rather wide (28mm)
screen size is decent (3 inches)
lens is fixed (fixed lens mount)
slow max aperture (f2.6)
no manual mode
lack of image stabilization
low megapixels (12 megapixels)
small sensor size (1/2.3")
has no RAW format
does not have Timelapse function
49
has manual focus
pretty wide (25mm)
decent sized screen (3 inches)
image stabilization (Sensor-shift)
megapixel count decent (16MP)
environment proof
lens is fixed (fixed lens mount)
sluggish max aperture (f3.5)
no manual exposure
small sensor (1/2.3")
lack of RAW files
missing Time Lapse mode
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Vlogging Comparison

Casio EX-Z450 Vlogging factors
Pentax RZ18 Vlogging factors
28
rather wide (28mm)
lighter than competition (128 grams)
slow max aperture (f2.6)
screen isn't selfie friendly
lack of image stabilization
low video resolution (1280 x 720 resolution)
does not have external microphone jack
30
pretty wide (25mm)
image stabilization (Sensor-shift)
lighter than competition (178g)
sluggish max aperture (f3.5)
doesn't posses selfie friendly screen
video resolution low (1280 x 720 pxls)
missing external mic socket
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Casio EX-Z450 vs Pentax RZ18 Specifications

Detailed spec comparison table for Casio EX-Z450 and Pentax RZ18
 Casio Exilim EX-Z450Pentax Optio RZ18
General Information
Manufacturer Casio Pentax
Model Casio Exilim EX-Z450 Pentax Optio RZ18
Category Small Sensor Compact Small Sensor Superzoom
Launched 2009-08-18 2011-09-12
Physical type Compact Compact
Sensor Information
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor dimensions 6.17 x 4.55mm 6.08 x 4.56mm
Sensor surface area 28.1mm² 27.7mm²
Sensor resolution 12 megapixels 16 megapixels
Anti aliasing filter
Aspect ratio 4:3, 3:2 and 16:9 1:1, 4:3 and 16:9
Full resolution 4000 x 3000 4608 x 3456
Max native ISO 1600 6400
Min native ISO 64 80
RAW photos
Autofocusing
Focus manually
AF touch
AF continuous
AF single
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points - 9
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 28-112mm (4.0x) 25-450mm (18.0x)
Maximum aperture f/2.6-5.8 f/3.5-5.9
Macro focus distance 10cm 4cm
Focal length multiplier 5.8 5.9
Screen
Screen type Fixed Type Fixed Type
Screen sizing 3" 3"
Screen resolution 230 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch display
Screen technology - TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder None None
Features
Lowest shutter speed 1/2 seconds 4 seconds
Highest shutter speed 1/1000 seconds 1/2000 seconds
Continuous shooting rate 10.0fps 1.0fps
Shutter priority
Aperture priority
Manual mode
Change WB
Image stabilization
Built-in flash
Flash range 3.00 m 2.80 m
Flash settings Auto, On, Off, Red-eye, Soft Auto, On, Off, Red-eye, Soft
External flash
Auto exposure bracketing
WB bracketing
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (24 fps), 640 x 480 (30 fps), 320 x 240 (15 fps) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 1280x720 1280x720
Video format Motion JPEG Motion JPEG
Mic port
Headphone port
Connectivity
Wireless Eye-Fi Connected Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 128g (0.28 lb) 178g (0.39 lb)
Dimensions 81 x 56 x 21mm (3.2" x 2.2" x 0.8") 97 x 61 x 33mm (3.8" x 2.4" x 1.3")
DXO scores
DXO All around 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 NP-40 D-LI92
Self timer Yes (2 or 10 sec, Triple) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC card, Internal SD/SDHC/SDXC, Internal
Card slots One One
Launch cost $229 $210