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Olympus TG-820 iHS vs Pentax RZ18

Portability
92 Imaging
36 Features
37 Overall
36
Olympus TG-820 iHS front
 
Pentax Optio RZ18 front
Portability
92 Imaging
39 Features
37 Overall
38

Olympus TG-820 iHS vs Pentax RZ18 Key Specs

Olympus TG-820 iHS
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1920 x 1080 video
  • 28-140mm (F3.9-5.9) lens
  • 206g - 101 x 65 x 26mm
  • Introduced February 2012
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
  • Revealed September 2011
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Olympus TG-820 iHS vs Pentax RZ18 Overview

In this article, we will be comparing the Olympus TG-820 iHS vs Pentax RZ18, one being a Waterproof and the latter is a Small Sensor Superzoom by competitors Olympus and Pentax. There exists a big gap among the resolutions of the TG-820 iHS (12MP) and RZ18 (16MP) but they come with the same exact sensor measurements (1/2.3").

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The TG-820 iHS was announced 5 months later than the RZ18 so they are both of a similar generation. Both cameras offer the identical body type (Compact).

Before we go through a in-depth comparison, below is a concise highlight of how the TG-820 iHS grades versus the RZ18 in terms of portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-820 iHS over the Pentax RZ18

		

		

			
 TG-820 iHS RZ18 
Screen resolution1030k460kClearer screen (+570k dot)
		

	

	
	

		

		
Reasons to pick Pentax RZ18 over the Olympus TG-820 iHS

		

		

			
 RZ18 TG-820 iHS 
Focus manually  Very precise focus
		

	

	
	

		

		
Common features in the Olympus TG-820 iHS and Pentax RZ18

		

		

			
 TG-820 iHS RZ18 
RevealedFebruary 2012September 2011Same generation
Screen typeFixed Fixed Fixed screen
Screen sizing3"3"Equivalent screen measurements
Selfie screen  Lack of selfie screen
Touch screen  Lack of Touch screen
		

	

	

	
	
	
	

	

		

		
Olympus TG-820 iHS vs Pentax RZ18 Physical Comparison

		

		

			
For those who are going to carry your camera, you need to take into account its weight and size. The Olympus TG-820 iHS comes with outside measurements of 101mm x 65mm x 26mm (4.0" x 2.6" x 1.0") and a weight of 206 grams (0.45 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).
Take a look at the Olympus TG-820 iHS vs Pentax RZ18 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses
Take into account, the weight of an Interchangeable Lens Camera will vary depending on the lens you use at that time. Here is the front view measurement comparison of the TG-820 iHS against the RZ18.
Olympus TG-820 iHS vs Pentax RZ18 size comparison
Taking into consideration dimensions and weight, the portability grade of the TG-820 iHS and RZ18 is 92 and 92 respectively.
Olympus TG-820 iHS vs Pentax RZ18 top view buttons comparison		

	

	
	

		

		
Olympus TG-820 iHS vs Pentax RZ18 Sensor Comparison

		

		

			
Quite often, it is tough to see the gap in sensor sizing only by seeing specifications. The visual below will give you a much better sense of the sensor measurements in the TG-820 iHS and RZ18.
To sum up, the 2 cameras enjoy the same exact sensor sizing albeit not the same MP. You should expect the Pentax RZ18 to provide more detail with its extra 4 Megapixels. Higher resolution will also make it easier to crop photographs far more aggressively.
	
			Olympus TG-820 iHS vs Pentax RZ18 sensor size comparison			
		

	

	
	

		

		
Olympus TG-820 iHS vs Pentax RZ18 Screen and ViewFinder

		

		

					

		Olympus TG-820 iHS vs Pentax RZ18 Screen and Viewfinder comparison	

	
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Photography Type Scores

		

	

	
Portrait Comparison
Portrait photography with Olympus TG-820 iHS
Portrait photography with Pentax RZ18
27
 offers face detection focus
 no manual focus
 manual mode not available
 can't use external flash
 low megapixels (12 megapixels)
 sensor  is tiny (1/2.3")
 has no RAW files
36
 focusing manually
 sensor resolution is decent (16 megapixels)
 lack of manual exposure
 can't use external flash
 small sensor (1/2.3")
 lack of RAW format
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Street Comparison
Olympus TG-820 iHS Street photography info
Pentax RZ18 Street photography info
61
 image stabilization (Sensor-shift)
 environment sealing
 no articulating screen
 sensor  is tiny (1/2.3")
 has no RAW files
65
 image stabilization (Sensor-shift)
 weather sealing
 lighter than others in class (178g)
 no moving screen
 small sensor (1/2.3")
 lack of RAW format
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Sports Comparison
Sports photography with Olympus TG-820 iHS
Sports photography with Pentax RZ18
34
 image stabilization (Sensor-shift)
 offers tracking autofocus
 environment sealing
 max frames per second low (5.0 frames per second)
 no shutter priority mode
 low megapixels (12 megapixels)
 sensor  is tiny (1/2.3")
 not so great battery (220 per charge)
 has no phase detect auto focus
47
 long zoom range (25-450mm  18.0 x zoom)
 image stabilization (Sensor-shift)
 sensor resolution is decent (16 megapixels)
 supports tracking focus
 weather sealing
 slow frames per second (1.0 fps)
 lack of shutter priority mode
 small sensor (1/2.3")
 lack of phase detect auto focus
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Travel Comparison
Olympus TG-820 iHS Travel photography info
Pentax RZ18 Travel photography info
59
 environment sealing
 has built in flash
 decently wide (28mm)
 lack of Timelapse function
 not so great battery (220 per charge)
 low megapixels (12MP)
 display isn't selfie friendly
 slow max aperture (f3.9)
71
 lighter than others in class (178 grams)
 weather sealing
 sensor resolution is decent (16 megapixels)
 has built in flash
 reasonably wide (25mm)
 great reach (450mm)
 doesn't have Time Lapse function
 screen is not selfie friendly
 slow max aperture (f3.5)
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Landscape Comparison
 Olympus TG-820 iHS as a Landscape photography camera
 Pentax RZ18 as a Landscape photography camera
38
 decently wide (28mm)
 good sized screen (3 inches)
 image stabilization (Sensor-shift)
 environment sealing
 no manual focus
 lens is fixed (fixed lens mount)
 slow max aperture (f3.9)
 manual mode not available
 low megapixels (12MP)
 sensor  is tiny (1/2.3")
 has no RAW files
 not so great battery (220 per charge)
 lack of Timelapse function
49
 focusing manually
 reasonably wide (25mm)
 screen size is good (3 inches)
 image stabilization (Sensor-shift)
 sensor resolution is decent (16MP)
 weather sealing
 can't change lenses (fixed lens mount)
 slow max aperture (f3.5)
 lack of manual exposure
 small sensor (1/2.3")
 lack of RAW format
 doesn't have Time Lapse function
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Vlogging Comparison
Olympus TG-820 iHS Vlogging features
Pentax RZ18 Vlogging features
33
 decently wide (28mm)
 image stabilization (Sensor-shift)
 offers face detection focus
 high quality video (1920 x 1080 resolution)
 slow max aperture (f3.9)
 display isn't selfie friendly
 lack of external microphone support
30
 reasonably wide (25mm)
 image stabilization (Sensor-shift)
 lighter than others in class (178g)
 slow max aperture (f3.5)
 screen is not selfie friendly
 video quality not great (1280 x 720 pixels)
 doesn't have mic socket
Photography Glossary
	

		

			
Olympus TG-820 iHS vs Pentax RZ18 Specifications

		

		

					

		
		

			Detailed spec comparison table for Olympus TG-820 iHS and Pentax RZ18
 Olympus TG-820 iHSPentax Optio RZ18
General Information
Company Olympus Pentax
Model type Olympus TG-820 iHS Pentax Optio RZ18
Class Waterproof Small Sensor Superzoom
Introduced 2012-02-08 2011-09-12
Physical type Compact Compact
Sensor Information
Processor TruePic VI -
Sensor type CMOS 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 megapixel 16 megapixel
Anti alias filter    
Aspect ratio - 1:1, 4:3 and  16:9
Highest Possible resolution 3968 x 2976 4608 x 3456
Maximum native ISO 6400 6400
Minimum native ISO 100 80
RAW data    
Autofocusing
Manual focusing    
Touch to focus    
AF continuous    
Single AF    
Tracking AF    
AF selectice    
Center weighted AF    
Multi area AF    
Live view AF    
Face detection focusing    
Contract detection focusing    
Phase detection focusing    
Total focus points - 9
Lens
Lens support fixed lens fixed lens
Lens zoom range 28-140mm (5.0x) 25-450mm (18.0x)
Max aperture f/3.9-5.9 f/3.5-5.9
Macro focusing distance 1cm 4cm
Crop factor 5.8 5.9
Screen
Screen type Fixed Type Fixed Type
Screen sizing 3 inches 3 inches
Resolution of screen 1,030 thousand dots 460 thousand dots
Selfie friendly    
Liveview    
Touch functionality    
Screen technology HyperCrystal III TFT Color LCD TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder type None None
Features
Minimum shutter speed 4 seconds 4 seconds
Fastest shutter speed 1/2000 seconds 1/2000 seconds
Continuous shutter rate 5.0 frames/s 1.0 frames/s
Shutter priority    
Aperture priority    
Manual mode    
Custom WB    
Image stabilization    
Integrated flash    
Flash distance 3.50 m 2.80 m
Flash options Auto, On, Off, Red-Eye, Fill-in 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
Supported video resolutions 1920 x 1080 (30 fps)1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Maximum video resolution 1920x1080 1280x720
Video format MPEG-4, H.264 Motion JPEG
Mic 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
Environment sealing    
Water proofing    
Dust proofing    
Shock proofing    
Crush proofing    
Freeze proofing    
Weight 206 gr (0.45 lbs) 178 gr (0.39 lbs)
Dimensions 101 x 65 x 26mm (4.0" x 2.6" x 1.0") 97 x 61 x 33mm (3.8" x 2.4" x 1.3")
DXO scores
DXO Overall 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 220 photographs -
Battery type Battery Pack -
Battery ID LI-50B D-LI92
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 10 sec)
Time lapse shooting    
Storage type SD/SDHC/SDXC SD/SDHC/SDXC, Internal
Card slots One One
Cost at release $500 $210