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Olympus TG-610 vs Pentax 645D

Portability
93
Imaging
37
Features
37
Overall
37
Olympus TG-610 front
 
Pentax 645D front
Portability
50
Imaging
76
Features
52
Overall
66

Olympus TG-610 vs Pentax 645D Key Specs

Olympus TG-610
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 80 - 1600
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-140mm (F3.9-5.9) lens
  • 190g - 96 x 65 x 26mm
  • Announced January 2011
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
  • Released March 2010
  • New Model is Pentax 645Z
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Olympus TG-610 vs Pentax 645D Overview

In this article, we will be reviewing the Olympus TG-610 vs Pentax 645D, one is a Waterproof and the latter is a Pro DSLR by manufacturers Olympus and Pentax. There is a huge difference among the sensor resolutions of the TG-610 (14MP) and 645D (40MP) and the TG-610 (1/2.3") and 645D (Medium format) feature different sensor size.

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The TG-610 was manufactured 11 months after the 645D which means that they are of a similar generation. Both of these cameras offer different body type with the Olympus TG-610 being a Compact camera and the Pentax 645D being a Large SLR camera.

Before going in to a step-by-step comparison, below is a concise highlight of how the TG-610 grades versus the 645D when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Olympus TG-610 over the Pentax 645D

 TG-610 645D 
ReleasedJanuary 2011March 2010Newer by 11 months

Reasons to pick Pentax 645D over the Olympus TG-610

 645D TG-610 
Manually focus Dial precise focusing
Screen resolution921k920kClearer screen (+1k dot)

Common features in the Olympus TG-610 and Pentax 645D

 TG-610 645D 
Screen typeFixed Fixed Fixed screen
Screen sizing3"3"Equivalent screen size
Selfie screen Missing selfie screen
Touch screen Missing Touch screen

Olympus TG-610 vs Pentax 645D Physical Comparison

For anyone who is intending to travel with your camera, you're going to have to think about its weight and dimensions. The Olympus TG-610 offers external dimensions of 96mm x 65mm x 26mm (3.8" x 2.6" x 1.0") along with a weight of 190 grams (0.42 lbs) and the Pentax 645D has dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs).

Check out the Olympus TG-610 vs Pentax 645D in the all new Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will change depending on the lens you are working with at that moment. Here is the front view size comparison of the TG-610 compared to the 645D.

Olympus TG-610 vs Pentax 645D size comparison

Looking at size and weight, the portability grade of the TG-610 and 645D is 93 and 50 respectively.

Olympus TG-610 vs Pentax 645D top view buttons comparison

Olympus TG-610 vs Pentax 645D Sensor Comparison

Oftentimes, it's hard to visualize the gap in sensor dimensions only by viewing specifications. The pic here will help provide you a stronger sense of the sensor sizes in the TG-610 and 645D.

Plainly, both the cameras offer different megapixel count and different sensor dimensions. The TG-610 because of its smaller sensor is going to make shooting shallower DOF trickier and the Pentax 645D will render extra detail due to its extra 26 Megapixels. Higher resolution will enable you to crop photographs a little more aggressively. The more recent TG-610 should have an advantage with regard to sensor technology.

Olympus TG-610 vs Pentax 645D sensor size comparison

Olympus TG-610 vs Pentax 645D Screen and ViewFinder

Olympus TG-610 vs Pentax 645D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus TG-610 Portrait photography highlights
Pentax 645D Portrait photography highlights
33
megapixel count good (14MP)
supports face detection focus
no manual focus
manual mode not possible
can't use external flash
small sensor (1/2.3")
has no RAW files
77
focusing manually
megapixel count high (40 megapixels)
sensor size is great (Medium format)
saves RAW files
does not have liveview
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Street Comparison

Olympus TG-610 Street photography details
Pentax 645D Street photography details
62
has image stabilization (Sensor-shift)
weather proof
no moving screen
small sensor (1/2.3")
has no RAW files
58
sensor size is great (Medium format)
saves RAW files
weather sealing
screen does not articulate
no image stabilization
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Sports Comparison

Sports photography with Olympus TG-610
Sports photography with Pentax 645D
40
has image stabilization (Sensor-shift)
megapixel count good (14MP)
supports tracking autofocus
weather proof
max frames per second low (1.0 fps)
no shutter priority mode
small sensor (1/2.3")
bad battery pack (210 CIPA)
has no phase detect auto focus
63
megapixel count high (40MP)
sensor size is great (Medium format)
weather sealing
comes with phase detect auto focus
does not have liveview
slow fps (1.0 frames/s)
no image stabilization
bad battery (800 per charge)
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Travel Comparison

Travel photography with Olympus TG-610
Travel photography with Pentax 645D
64
weather proof
megapixel count good (14MP)
built-in flash
relatively wide (28mm)
lack of Time Lapse function
bad battery pack (210 CIPA)
does not posses selfie friendly display
somewhat slow max aperture (f3.9)
55
weather sealing
megapixel count high (40MP)
bad battery (800 shots)
doesn't contain selfie friendly display
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Landscape Comparison

Olympus TG-610 as a Landscape photography camera
Pentax 645D as a Landscape photography camera
43
relatively wide (28mm)
nice screen size (3")
has image stabilization (Sensor-shift)
megapixel count good (14 megapixels)
weather proof
no manual focus
fixed lens (fixed lens mount)
somewhat slow max aperture (f3.9)
manual mode not possible
small sensor (1/2.3")
has no RAW files
bad battery pack (210 CIPA)
lack of Time Lapse function
72
focusing manually
switch lenses (Pentax 645AF2 mount)
good sized screen (3 inches)
megapixel count high (40 megapixels)
sensor size is great (Medium format)
no anti-alias filter
saves RAW files
weather sealing
has dual storage slots
does not have liveview
no image stabilization
bad battery (800 shots)
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Vlogging Comparison

Olympus TG-610 Vlogging features
Pentax 645D Vlogging features
30
relatively wide (28mm)
has image stabilization (Sensor-shift)
supports face detection focus
somewhat slow max aperture (f3.9)
does not posses selfie friendly display
low video resolution (1280 x 720 pxls)
lack of external mic support
9
no video
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Olympus TG-610 vs Pentax 645D Specifications

Detailed spec comparison table for Olympus TG-610 and Pentax 645D
 Olympus TG-610Pentax 645D
General Information
Company Olympus Pentax
Model Olympus TG-610 Pentax 645D
Class Waterproof Pro DSLR
Announced 2011-01-06 2010-03-10
Body design Compact Large SLR
Sensor Information
Processor Chip TruePic III+ Prime II
Sensor type CCD CCD
Sensor size 1/2.3" Medium format
Sensor dimensions 6.17 x 4.55mm 44 x 33mm
Sensor area 28.1mm² 1,452.0mm²
Sensor resolution 14MP 40MP
Anti aliasing filter
Aspect ratio 4:3 and 16:9 4:3
Highest resolution 4288 x 3216 7264 x 5440
Highest native ISO 1600 1600
Minimum native ISO 80 200
RAW photos
Minimum boosted ISO - 100
Autofocusing
Manual focus
Touch focus
AF continuous
Single AF
Tracking AF
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points - 11
Cross focus points - -
Lens
Lens mounting type fixed lens Pentax 645AF2
Lens focal range 28-140mm (5.0x) -
Max aperture f/3.9-5.9 -
Macro focus distance 3cm -
Total lenses - 6
Crop factor 5.8 0.8
Screen
Range of display Fixed Type Fixed Type
Display size 3 inch 3 inch
Display resolution 920 thousand dot 921 thousand dot
Selfie friendly
Liveview
Touch function
Display technology TFT Hypercrystal III Color LCD 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 speed 1.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Custom WB
Image stabilization
Built-in flash
Flash range 4.20 m 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 sync - 1/125s
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) -
Highest video resolution 1280x720 None
Video file format Motion JPEG -
Mic input
Headphone input
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 190g (0.42 pounds) 1480g (3.26 pounds)
Dimensions 96 x 65 x 26mm (3.8" x 2.6" x 1.0") 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 210 photographs 800 photographs
Battery format Battery Pack Battery Pack
Battery model LI-50B D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec)
Time lapse recording
Storage media SD/SDHC/SDXC SD/SDHC
Storage slots 1 Dual
Retail price $223 $4,000