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Olympus TG-630 iHS vs Pentax 645D

Portability
94
Imaging
36
Features
34
Overall
35
Olympus TG-630 iHS front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Olympus TG-630 iHS vs Pentax 645D Key Specs

Olympus TG-630 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
  • 167g - 98 x 66 x 22mm
  • Revealed January 2013
Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Screen
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Revealed March 2010
  • Newer Model is Pentax 645Z
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Olympus TG-630 iHS vs Pentax 645D Overview

On this page, we will be analyzing the Olympus TG-630 iHS and Pentax 645D, former is a Waterproof while the latter is a Pro DSLR by competitors Olympus and Pentax. There is a sizable difference between the image resolutions of the TG-630 iHS (12MP) and 645D (40MP) and the TG-630 iHS (1/2.3") and 645D (Medium format) provide totally different sensor sizes.

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The TG-630 iHS was introduced 2 years after the 645D which is quite a significant difference as far as tech is concerned. Both the cameras have different body design with the Olympus TG-630 iHS being a Compact camera and the Pentax 645D being a Large SLR camera.

Before going straight to a complete comparison, here is a simple synopsis of how the TG-630 iHS matches up versus the 645D in terms of portability, imaging, features and an overall mark.

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Reasons to pick Olympus TG-630 iHS over the Pentax 645D

 TG-630 iHS 645D 
RevealedJanuary 2013March 2010Newer by 35 months

Reasons to pick Pentax 645D over the Olympus TG-630 iHS

 645D TG-630 iHS 
Manual focus More precise focus
Screen resolution921k460kCrisper screen (+461k dot)

Common features in the Olympus TG-630 iHS and Pentax 645D

 TG-630 iHS 645D 
Screen typeFixed Fixed Fixed screen
Screen dimensions3"3"Equal screen dimensions
Selfie screen Neither provides selfie screen
Touch screen Neither provides Touch screen

Olympus TG-630 iHS vs Pentax 645D Physical Comparison

If you are going to travel with your camera often, you'll need to factor its weight and proportions. The Olympus TG-630 iHS provides physical measurements of 98mm x 66mm x 22mm (3.9" x 2.6" x 0.9") and a weight of 167 grams (0.37 lbs) whilst the Pentax 645D has measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs).

Examine the Olympus TG-630 iHS and Pentax 645D in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an ILC will vary depending on the lens you use during that time. The following is a front view overall size comparison of the TG-630 iHS compared to the 645D.

Olympus TG-630 iHS vs Pentax 645D size comparison

Considering size and weight, the portability score of the TG-630 iHS and 645D is 94 and 50 respectively.

Olympus TG-630 iHS vs Pentax 645D top view buttons comparison

Olympus TG-630 iHS vs Pentax 645D Sensor Comparison

Generally, it is very hard to envision the difference between sensor dimensions purely by looking at specifications. The image here might provide you a clearer sense of the sensor measurements in the TG-630 iHS and 645D.

Plainly, both of these cameras provide different resolutions and different sensor dimensions. The TG-630 iHS with its tinier sensor will make getting shallow depth of field harder and the Pentax 645D will give you greater detail using its extra 28 Megapixels. Higher resolution will also make it easier to crop pictures more aggressively. The younger TG-630 iHS will have a benefit when it comes to sensor innovation.

Olympus TG-630 iHS vs Pentax 645D sensor size comparison

Olympus TG-630 iHS vs Pentax 645D Screen and ViewFinder

Olympus TG-630 iHS vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Olympus TG-630 iHS
Portrait photography with Pentax 645D
27
features face detection focusing
manual focus not available
manual mode not possible
external flash not possible
low megapixels (12 megapixels)
sensor size is very small (1/2.3")
lacks RAW support
77
has manual focus
MP count fantastic (40 megapixels)
sensor size is great (Medium format)
saves RAW files
does not have liveview
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Street Comparison

Olympus TG-630 iHS Street photography factors
Pentax 645D Street photography factors
62
image stabilization (Sensor-shift)
environment proofing
no articulating screen
sensor size is very small (1/2.3")
lacks RAW support
58
sensor size is great (Medium format)
saves RAW files
weather proofing
no moving screen
does not have image stabilization
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Sports Comparison

Olympus TG-630 iHS Sports photography info
Pentax 645D Sports photography info
34
image stabilization (Sensor-shift)
features tracking autofocus
environment proofing
slow frames per second (5.0 fps)
lack of shutter priority mode
low megapixels (12 megapixels)
sensor size is very small (1/2.3")
bad battery pack (220 shots)
lacks phase detect AF
63
MP count fantastic (40MP)
sensor size is great (Medium format)
weather proofing
supports phase detect autofocus
does not have liveview
max frames per second very slow (1.0 frames/s)
does not have image stabilization
terrible battery (800 CIPA)
Photography Glossary

Travel Comparison

Olympus TG-630 iHS as a Travel photography camera
Pentax 645D as a Travel photography camera
59
environment proofing
has built in flash
relatively wide (28mm)
missing Timelapse mode
bad battery pack (220 per charge)
low megapixels (12MP)
does not contain selfie friendly display
sluggish max aperture (f3.9)
55
weather proofing
MP count fantastic (40MP)
terrible battery (800 CIPA)
doesn't have a selfie friendly screen
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Landscape Comparison

Olympus TG-630 iHS Landscape photography factors
Pentax 645D Landscape photography factors
39
relatively wide (28mm)
screen size is good (3")
image stabilization (Sensor-shift)
environment proofing
manual focus not available
fixed lens (fixed lens mount)
sluggish max aperture (f3.9)
manual mode not possible
low megapixels (12MP)
sensor size is very small (1/2.3")
lacks RAW support
bad battery pack (220 shots)
missing Timelapse mode
72
has manual focus
swap lenses (Pentax 645AF2 mount)
screen size is decent (3 inch)
MP count fantastic (40MP)
sensor size is great (Medium format)
no anti aliasing filter
saves RAW files
weather proofing
2 card slots
does not have liveview
does not have image stabilization
terrible battery (800 per charge)
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Vlogging Comparison

Olympus TG-630 iHS Vlogging advice
Pentax 645D Vlogging advice
33
relatively wide (28mm)
image stabilization (Sensor-shift)
features face detection focusing
video resolution high (1920 x 1080 resolution)
sluggish max aperture (f3.9)
does not contain selfie friendly display
missing external microphone jack
9
can't record video
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Olympus TG-630 iHS vs Pentax 645D Specifications

Detailed spec comparison table for Olympus TG-630 iHS and Pentax 645D
 Olympus TG-630 iHSPentax 645D
General Information
Brand Name Olympus Pentax
Model Olympus TG-630 iHS Pentax 645D
Type Waterproof Pro DSLR
Revealed 2013-01-08 2010-03-10
Physical type Compact Large SLR
Sensor Information
Chip - Prime II
Sensor type CMOS CCD
Sensor size 1/2.3" Medium format
Sensor measurements 6.17 x 4.55mm 44 x 33mm
Sensor surface area 28.1mm² 1,452.0mm²
Sensor resolution 12 megapixel 40 megapixel
Anti aliasing filter
Aspect ratio 4:3 and 16:9 4:3
Full resolution 3968 x 2976 7264 x 5440
Max native ISO 6400 1600
Minimum native ISO 100 200
RAW support
Minimum boosted ISO - 100
Autofocusing
Focus manually
Touch focus
AF continuous
AF single
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points - 11
Cross focus points - -
Lens
Lens mounting type fixed lens Pentax 645AF2
Lens focal range 28-140mm (5.0x) -
Highest aperture f/3.9-5.9 -
Macro focus distance 1cm -
Amount of lenses - 6
Crop factor 5.8 0.8
Screen
Screen type Fixed Type Fixed Type
Screen size 3 inches 3 inches
Resolution of screen 460 thousand dots 921 thousand dots
Selfie friendly
Liveview
Touch screen
Screen tech - TFT Color LCD with wide-viewing angle and with AR coating
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 98%
Viewfinder magnification - 0.85x
Features
Slowest shutter speed 4s 30s
Maximum shutter speed 1/2000s 1/4000s
Continuous shooting rate 5.0 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Manual mode
Exposure compensation - Yes
Set WB
Image stabilization
Inbuilt flash
Flash range - no built-in flash
Flash modes Auto, On, Off, Red-Eye, Fill-in Auto, On, Off, Red-eye, Slow Sync, Rear Curtain
External flash
AEB
WB bracketing
Maximum flash synchronize - 1/125s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions 1920 x 1080 (60 fps), 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) -
Max video resolution 1920x1080 None
Video file format MPEG-4, H.264 -
Microphone support
Headphone support
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 167 grams (0.37 pounds) 1480 grams (3.26 pounds)
Physical dimensions 98 x 66 x 22mm (3.9" x 2.6" x 0.9") 156 x 117 x 119mm (6.1" x 4.6" x 4.7")
DXO scores
DXO All around score not tested 82
DXO Color Depth score not tested 24.6
DXO Dynamic range score not tested 12.6
DXO Low light score not tested 1262
Other
Battery life 220 shots 800 shots
Form of battery Battery Pack Battery Pack
Battery model LI-50B D-LI90
Self timer Yes (2 or 12 sec, pet auto shutter) Yes (2 or 10 sec)
Time lapse recording
Storage type SD/SDHC/SDXC SD/SDHC
Card slots One Two
Launch pricing $200 $4,000