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Olympus TG-850 iHS vs Pentax RZ18

Portability
91
Imaging
40
Features
44
Overall
41
Olympus Stylus Tough TG-850 iHS front
 
Pentax Optio RZ18 front
Portability
92
Imaging
39
Features
37
Overall
38

Olympus TG-850 iHS vs Pentax RZ18 Key Specs

Olympus TG-850 iHS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Tilting Display
  • ISO 125 - 6400
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 21-105mm (F3.5-5.7) lens
  • 218g - 110 x 64 x 28mm
  • Announced January 2014
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
  • Released September 2011
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Olympus TG-850 iHS vs Pentax RZ18 Overview

Lets look more in depth at the Olympus TG-850 iHS and Pentax RZ18, former being a Waterproof while the latter is a Small Sensor Superzoom by rivals Olympus and Pentax. The resolution of the TG-850 iHS (16MP) and the RZ18 (16MP) is relatively close and both cameras posses the identical sensor sizing (1/2.3").

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The TG-850 iHS was introduced 2 years later than the RZ18 and that is a fairly significant difference as far as camera tech is concerned. The two cameras feature the same body design (Compact).

Before delving right into a step-by-step comparison, here is a quick synopsis of how the TG-850 iHS scores vs the RZ18 with regards to portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-850 iHS over the Pentax RZ18

 TG-850 iHS RZ18 
ReleasedJanuary 2014September 2011Fresher by 29 months
Screen typeTiltingFixed Tilting screen

Reasons to pick Pentax RZ18 over the Olympus TG-850 iHS

 RZ18 TG-850 iHS 
Manual focus Dial precise focus

Common features in the Olympus TG-850 iHS and Pentax RZ18

 TG-850 iHS RZ18 
Screen size3"3"Same screen measurement
Screen resolution460k460kIdentical screen resolution
Selfie screen Neither comes with selfie screen
Touch friendly screen Neither comes with Touch friendly screen

Olympus TG-850 iHS vs Pentax RZ18 Physical Comparison

For anyone who is going to carry your camera, you will want to factor in its weight and proportions. The Olympus TG-850 iHS comes with outside measurements of 110mm x 64mm x 28mm (4.3" x 2.5" x 1.1") along with a weight of 218 grams (0.48 lbs) and 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).

Compare the Olympus TG-850 iHS and Pentax RZ18 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will change dependant on the lens you are using at that time. The following is a front view size comparison of the TG-850 iHS against the RZ18.

Olympus TG-850 iHS vs Pentax RZ18 size comparison

Taking into account size and weight, the portability score of the TG-850 iHS and RZ18 is 91 and 92 respectively.

Olympus TG-850 iHS vs Pentax RZ18 top view buttons comparison

Olympus TG-850 iHS vs Pentax RZ18 Sensor Comparison

Usually, it is very hard to picture the contrast in sensor sizing merely by researching specs. The graphic here will give you a better sense of the sensor sizing in the TG-850 iHS and RZ18.

As you can plainly see, each of these cameras come with the identical sensor size and the exact same megapixels and you can expect comparable quality of images but you will want to take the launch date of the cameras into account. The more modern TG-850 iHS provides a benefit in sensor tech.

Olympus TG-850 iHS vs Pentax RZ18 sensor size comparison

Olympus TG-850 iHS vs Pentax RZ18 Screen and ViewFinder

Olympus TG-850 iHS vs Pentax RZ18 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Olympus TG-850 iHS Portrait photography details
Pentax RZ18 Portrait photography details
35
sensor resolution is decent (16 megapixels)
provides face detect focus
lack of manual focus
manual mode not available
cannot use external flash
tiny sensor size (1/2.3")
lack of RAW format
36
manual focus
resolution is good (16 megapixels)
no manual control
external flash not possible
small sensor (1/2.3")
does not have RAW format
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Street Comparison

Olympus TG-850 iHS Street photography advice
Pentax RZ18 Street photography advice
69
tilting screen
built in image stabilization (Optical)
environment sealing
tiny sensor size (1/2.3")
lack of RAW format
65
image stabilization (Sensor-shift)
environment proof
lighter than competition (178g)
fixed screen
small sensor (1/2.3")
does not have RAW format
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Sports Comparison

Olympus TG-850 iHS Sports photography highlights
Pentax RZ18 Sports photography highlights
51
built in image stabilization (Optical)
sensor resolution is decent (16 megapixels)
provides tracking focus
environment sealing
better than average battery pack (330 per charge)
no shutter priority mode
tiny sensor size (1/2.3")
lack of phase detect auto focus
47
great zoom range (25-450mm 18.0 x zoom)
image stabilization (Sensor-shift)
resolution is good (16 megapixels)
offers tracking autofocus
environment proof
max frames per second low (1.0 fps)
no shutter priority
small sensor (1/2.3")
does not have phase detect AF
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Travel Comparison

Olympus TG-850 iHS as a Travel photography camera
Pentax RZ18 as a Travel photography camera
72
better than average battery pack (330 CIPA)
environment sealing
sensor resolution is decent (16 megapixels)
flash built-in
reasonably wide (21mm)
screen isn't selfie friendly
slow max aperture (f3.5)
71
lighter than competition (178g)
environment proof
resolution is good (16 megapixels)
built-in flash
relatively wide (25mm)
very long reach (450mm)
doesn't have Time Lapse recording
doesn't have a selfie friendly display
somewhat slow max aperture (f3.5)
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Landscape Comparison

Olympus TG-850 iHS Landscape photography factors
Pentax RZ18 Landscape photography factors
50
reasonably wide (21mm)
screen is a decent size (3")
built in image stabilization (Optical)
sensor resolution is decent (16MP)
environment sealing
better than average battery pack (330 per charge)
lack of manual focus
fixed lens (fixed lens mount)
slow max aperture (f3.5)
manual mode not available
tiny sensor size (1/2.3")
lack of RAW format
49
manual focus
relatively wide (25mm)
good sized screen (3 inch)
image stabilization (Sensor-shift)
resolution is good (16MP)
environment proof
lens is fixed (fixed lens mount)
somewhat slow max aperture (f3.5)
no manual control
small sensor (1/2.3")
does not have RAW format
doesn't have Time Lapse recording
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Vlogging Comparison

Olympus TG-850 iHS Vlogging advice
Pentax RZ18 Vlogging advice
33
reasonably wide (21mm)
built in image stabilization (Optical)
provides face detect focus
great video quality (1920 x 1080 pxls)
slow max aperture (f3.5)
screen isn't selfie friendly
does not have microphone port
30
relatively wide (25mm)
image stabilization (Sensor-shift)
lighter than competition (178g)
somewhat slow max aperture (f3.5)
doesn't have a selfie friendly display
video quality not great (1280 x 720 resolution)
doesn't have external mic support
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Olympus TG-850 iHS vs Pentax RZ18 Specifications

Detailed spec comparison table for Olympus TG-850 iHS and Pentax RZ18
 Olympus Stylus Tough TG-850 iHSPentax Optio RZ18
General Information
Company Olympus Pentax
Model type Olympus Stylus Tough TG-850 iHS Pentax Optio RZ18
Type Waterproof Small Sensor Superzoom
Announced 2014-01-29 2011-09-12
Physical type Compact Compact
Sensor Information
Chip TruePic VII -
Sensor type BSI-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 16MP 16MP
Anti alias filter
Aspect ratio - 1:1, 4:3 and 16:9
Full resolution 4616 x 3464 4608 x 3456
Max native ISO 6400 6400
Minimum native ISO 125 80
RAW pictures
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points - 9
Cross type focus points - -
Lens
Lens mount type fixed lens fixed lens
Lens zoom range 21-105mm (5.0x) 25-450mm (18.0x)
Maximal aperture f/3.5-5.7 f/3.5-5.9
Macro focusing range - 4cm
Focal length multiplier 5.8 5.9
Screen
Type of display Tilting Fixed Type
Display diagonal 3 inches 3 inches
Resolution of display 460 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch operation
Display technology TFT LCD TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder None None
Features
Slowest shutter speed 1/2 secs 4 secs
Maximum shutter speed 1/2000 secs 1/2000 secs
Continuous shooting rate 7.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manual mode
Custom white balance
Image stabilization
Built-in flash
Flash distance - 2.80 m
Flash options - 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
Supported video resolutions 1920 x 1080 (60p, 30p), 1280 x 720 (60p), 640 x 480 (30 fps) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 1920x1080 1280x720
Video format H.264, Motion JPEG Motion JPEG
Mic support
Headphone support
Connectivity
Wireless Yes 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 proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 218 gr (0.48 pounds) 178 gr (0.39 pounds)
Physical dimensions 110 x 64 x 28mm (4.3" x 2.5" x 1.1") 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 330 photographs -
Form of battery Battery Pack -
Battery ID LI-50B D-LI92
Self timer Yes (2 sec, 12 sec, Custom Self-Timer (1-30 sec start timer, 1-10 pictures, 1-3 sec interval)) Yes (2 or 10 sec)
Time lapse feature
Storage type SD, SDHC, SDXC, Internal Memory SD/SDHC/SDXC, Internal
Card slots Single Single
Retail cost $250 $210