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Canon A2100 IS vs Pentax RZ18

Portability
92
Imaging
35
Features
20
Overall
29
Canon PowerShot A2100 IS front
 
Pentax Optio RZ18 front
Portability
92
Imaging
39
Features
37
Overall
38

Canon A2100 IS vs Pentax RZ18 Key Specs

Canon A2100 IS
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 1600
  • Optical Image Stabilization
  • 640 x 480 video
  • 36-216mm (F3.2-5.9) lens
  • 185g - 102 x 64 x 32mm
  • Introduced February 2009
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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Canon A2100 IS vs Pentax RZ18 Overview

Let's take a deeper look at the Canon A2100 IS and Pentax RZ18, former is a Small Sensor Compact while the other is a Small Sensor Superzoom by competitors Canon and Pentax. There exists a large gap among the sensor resolutions of the A2100 IS (12MP) and RZ18 (16MP) but both cameras offer the identical sensor sizes (1/2.3").

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The A2100 IS was brought out 3 years before the RZ18 which is a fairly serious difference as far as camera technology is concerned. Both cameras feature the same body design (Compact).

Before diving into a detailed comparison, here is a concise highlight of how the A2100 IS scores against the RZ18 when considering portability, imaging, features and an overall mark.

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Reasons to pick Canon A2100 IS over the Pentax RZ18

 A2100 IS RZ18 

Reasons to pick Pentax RZ18 over the Canon A2100 IS

 RZ18 A2100 IS 
AnnouncedSeptember 2011February 2009Newer by 31 months
Focus manually Dial precise focusing
Display resolution460k230kCrisper display (+230k dot)

Common features in the Canon A2100 IS and Pentax RZ18

 A2100 IS RZ18 
Display typeFixed Fixed Fixed display
Display size3"3"Same display dimensions
Selfie screen Neither offers selfie screen
Touch display Neither offers Touch display

Canon A2100 IS vs Pentax RZ18 Physical Comparison

For anyone who is intending to travel with your camera frequently, you'll have to think about its weight and size. The Canon A2100 IS offers outer measurements of 102mm x 64mm x 32mm (4.0" x 2.5" x 1.3") along with a weight of 185 grams (0.41 lbs) and the Pentax RZ18 has specifications of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") along with a weight of 178 grams (0.39 lbs).

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Take into consideration, the weight of an ILC will vary based on the lens you are employing at that moment. Here is a front view measurements comparison of the A2100 IS versus the RZ18.

Canon A2100 IS vs Pentax RZ18 size comparison

Looking at dimensions and weight, the portability grade of the A2100 IS and RZ18 is 92 and 92 respectively.

Canon A2100 IS vs Pentax RZ18 top view buttons comparison

Canon A2100 IS vs Pentax RZ18 Sensor Comparison

Typically, it is very hard to envision the gap in sensor dimensions only by seeing technical specs. The pic underneath might provide you a far better sense of the sensor sizing in the A2100 IS and RZ18.

As you can tell, both the cameras come with the identical sensor size but not the same megapixels. You can anticipate the Pentax RZ18 to produce greater detail having its extra 4 Megapixels. Greater resolution will enable you to crop pics a good deal more aggressively. The more aged A2100 IS will be disadvantaged with regard to sensor innovation.

Canon A2100 IS vs Pentax RZ18 sensor size comparison

Canon A2100 IS vs Pentax RZ18 Screen and ViewFinder

Canon A2100 IS vs Pentax RZ18 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Canon A2100 IS
Portrait photography with Pentax RZ18
26
provides face detection focusing
no manual focus
lack of manual exposure
external flash not possible
sensor resolution low (12 megapixels)
sensor size is tiny (1/2.3")
no RAW support
36
focusing manually
sensor resolution is decent (16MP)
manual exposure not available
no external flash support
very small sensor (1/2.3")
doesn't have RAW files
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Street Comparison

Canon A2100 IS as a Street photography camera
Pentax RZ18 as a Street photography camera
55
has image stabilization (Optical)
screen is fixed
sensor size is tiny (1/2.3")
no RAW support
65
has image stabilization (Sensor-shift)
environment proofing
lighter than average in class (178g)
no moving screen
very small sensor (1/2.3")
doesn't have RAW files
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Sports Comparison

Canon A2100 IS Sports photography details
Pentax RZ18 Sports photography details
25
has image stabilization (Optical)
max frames per second very slow (1.0 frames per second)
no shutter priority
sensor resolution low (12MP)
sensor size is tiny (1/2.3")
no phase detect AF
47
long zoom range (25-450mm 18.0 x zoom)
has image stabilization (Sensor-shift)
sensor resolution is decent (16 megapixels)
comes with tracking focus
environment proofing
painfully slow continuous shooting (1.0 frames/s)
no shutter priority mode
very small sensor (1/2.3")
doesn't have phase detect AF
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Travel Comparison

Travel photography with Canon A2100 IS
Travel photography with Pentax RZ18
50
flash built-in
missing Time Lapse recording
sensor resolution low (12MP)
doesn't have selfie friendly screen
wide angle not the best (36mm)
sluggish max aperture (f3.2)
71
lighter than average in class (178g)
environment proofing
sensor resolution is decent (16MP)
built-in flash
pretty wide (25mm)
very long zoom (450mm)
lack of Timelapse function
screen isn't selfie friendly
somewhat slow maximum aperture (f3.5)
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Landscape Comparison

Canon A2100 IS Landscape photography details
Pentax RZ18 Landscape photography details
32
decent sized screen (3 inch)
has image stabilization (Optical)
no manual focus
can't switch lenses (fixed lens mount)
wide angle not the best (36mm)
sluggish max aperture (f3.2)
lack of manual exposure
sensor resolution low (12MP)
sensor size is tiny (1/2.3")
no RAW support
missing Time Lapse recording
49
focusing manually
pretty wide (25mm)
screen size is decent (3")
has image stabilization (Sensor-shift)
sensor resolution is decent (16MP)
environment proofing
cannot swap lenses (fixed lens mount)
somewhat slow maximum aperture (f3.5)
manual exposure not available
very small sensor (1/2.3")
doesn't have RAW files
lack of Timelapse function
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Vlogging Comparison

Canon A2100 IS as a Vlogging camera
Pentax RZ18 as a Vlogging camera
27
has image stabilization (Optical)
provides face detection focusing
wide angle not the best (36mm)
sluggish max aperture (f3.2)
doesn't have selfie friendly screen
low video resolution (640 x 480 resolution)
missing external mic port
30
pretty wide (25mm)
has image stabilization (Sensor-shift)
lighter than average in class (178 grams)
somewhat slow maximum aperture (f3.5)
screen isn't selfie friendly
low res video (1280 x 720 pxls)
lack of microphone socket
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Canon A2100 IS vs Pentax RZ18 Specifications

Detailed spec comparison table for Canon A2100 IS and Pentax RZ18
 Canon PowerShot A2100 ISPentax Optio RZ18
General Information
Brand Canon Pentax
Model Canon PowerShot A2100 IS Pentax Optio RZ18
Type Small Sensor Compact Small Sensor Superzoom
Introduced 2009-02-18 2011-09-12
Physical type Compact Compact
Sensor Information
Sensor type CCD CCD
Sensor size 1/2.3" 1/2.3"
Sensor measurements 6.17 x 4.55mm 6.08 x 4.56mm
Sensor area 28.1mm² 27.7mm²
Sensor resolution 12MP 16MP
Anti aliasing filter
Aspect ratio 4:3 and 16:9 1:1, 4:3 and 16:9
Peak resolution 4000 x 3000 4608 x 3456
Highest native ISO 1600 6400
Min native ISO 80 80
RAW files
Autofocusing
Manual focus
AF touch
AF continuous
Single AF
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 9 9
Lens
Lens mount fixed lens fixed lens
Lens focal range 36-216mm (6.0x) 25-450mm (18.0x)
Highest aperture f/3.2-5.9 f/3.5-5.9
Macro focus distance 1cm 4cm
Focal length multiplier 5.8 5.9
Screen
Type of screen Fixed Type Fixed Type
Screen diagonal 3 inches 3 inches
Resolution of screen 230k dots 460k dots
Selfie friendly
Liveview
Touch friendly
Screen tech - TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder type None None
Features
Min shutter speed 15 secs 4 secs
Max shutter speed 1/1600 secs 1/2000 secs
Continuous shutter rate 1.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manual mode
Change WB
Image stabilization
Inbuilt flash
Flash range 3.50 m 2.80 m
Flash options Auto, Fill-in, Red-Eye reduction, Slow Sync, Off Auto, On, Off, Red-eye, Soft
Hot shoe
AEB
WB bracketing
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 640 x 480 (30 fps), 320 x 240 (30 fps) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Highest video resolution 640x480 1280x720
Video format Motion JPEG Motion JPEG
Microphone port
Headphone port
Connectivity
Wireless None 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 185 grams (0.41 pounds) 178 grams (0.39 pounds)
Physical dimensions 102 x 64 x 32mm (4.0" x 2.5" x 1.3") 97 x 61 x 33mm (3.8" x 2.4" x 1.3")
DXO scores
DXO Overall 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 2 x AA D-LI92
Self timer Yes (2, 10, Custom, Face) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/MMC/MMCplus/HD MMCplus SD/SDHC/SDXC, Internal
Card slots 1 1
Launch cost $220 $210