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Olympus TG-610 vs Pentax 645Z

Portability
93
Imaging
37
Features
37
Overall
37
Olympus TG-610 front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Olympus TG-610 vs Pentax 645Z 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
  • Released January 2011
Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Screen
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Introduced April 2014
  • Old Model is Pentax 645D
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Olympus TG-610 vs Pentax 645Z Overview

Following is a detailed analysis of the Olympus TG-610 versus Pentax 645Z, former is a Waterproof while the latter is a Pro DSLR by rivals Olympus and Pentax. There exists a noticeable gap between the resolutions of the TG-610 (14MP) and 645Z (51MP) and the TG-610 (1/2.3") and 645Z (Medium format) feature different sensor dimensions.

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The TG-610 was launched 4 years prior to the 645Z which is quite a sizable difference as far as technology is concerned. Both the cameras offer different body type with the Olympus TG-610 being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before getting straight into a detailed comparison, below is a short highlight of how the TG-610 grades versus the 645Z with regard to portability, imaging, features and an overall score.

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

 TG-610 645Z 

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

 645Z TG-610 
IntroducedApril 2014January 2011More modern by 39 months
Manually focus Very exact focusing
Screen typeTiltingFixed Tilting screen
Screen sizing3.2"3"Bigger screen (+0.2")
Screen resolution1037k920kSharper screen (+117k dot)

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

 TG-610 645Z 
Selfie screen No selfie screen
Touch friendly screen No Touch friendly screen

Olympus TG-610 vs Pentax 645Z Physical Comparison

When you are aiming to carry around your camera, you will have to factor in its weight and measurements. The Olympus TG-610 offers external measurements of 96mm x 65mm x 26mm (3.8" x 2.6" x 1.0") having a weight of 190 grams (0.42 lbs) and the Pentax 645Z has proportions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") having a weight of 1550 grams (3.42 lbs).

Examine the Olympus TG-610 versus Pentax 645Z in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will vary based on the lens you select at the time. The following is the front view dimensions comparison of the TG-610 versus the 645Z.

Olympus TG-610 vs Pentax 645Z size comparison

Considering dimensions and weight, the portability grade of the TG-610 and 645Z is 93 and 49 respectively.

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

Olympus TG-610 vs Pentax 645Z Sensor Comparison

Quite often, it can be tough to visualize the contrast between sensor sizes purely by going over a spec sheet. The image below should offer you a better sense of the sensor measurements in the TG-610 and 645Z.

Clearly, both of these cameras offer different megapixels and different sensor sizes. The TG-610 because of its tinier sensor is going to make shooting shallower DOF harder and the Pentax 645Z will deliver greater detail utilizing its extra 37MP. Higher resolution will also enable you to crop photographs a little more aggressively. The more aged TG-610 is going to be disadvantaged in sensor tech.

Olympus TG-610 vs Pentax 645Z sensor size comparison

Olympus TG-610 vs Pentax 645Z Screen and ViewFinder

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

Portrait Comparison

Olympus TG-610 Portrait photography info
Pentax 645Z Portrait photography info
33
MP count decent (14 megapixels)
supports face detect focusing
lack of manual focus
lack of manual exposure
external flash not possible
sensor size is very small (1/2.3")
has no RAW files
88
has manual focus
megapixel count amazing (51MP)
large sensor size (Medium format)
features face detection focusing
exports RAW files
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Street Comparison

Olympus TG-610 Street photography factors
Pentax 645Z Street photography factors
62
has image stabilization (Sensor-shift)
weather proof
no articulating screen
sensor size is very small (1/2.3")
has no RAW files
63
has a tilting screen
large sensor size (Medium format)
exports RAW files
weather proof
very good ISO range (204,800)
lack of image stabilization
more heavy than competitors in class (1,550 grams)
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Sports Comparison

Olympus TG-610 Sports photography factors
Pentax 645Z Sports photography factors
40
has image stabilization (Sensor-shift)
MP count decent (14MP)
supports tracking focus
weather proof
max frames per second low (1.0 frames per second)
no shutter priority mode
sensor size is very small (1/2.3")
low battery (210 shots)
has no phase detect AF
71
megapixel count amazing (51 megapixels)
large sensor size (Medium format)
features tracking autofocus
weather proof
sensor has phase detect AF
low frames per second (3.0 fps)
lack of image stabilization
low battery power (650 shots)
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Travel Comparison

Travel photography with Olympus TG-610
Travel photography with Pentax 645Z
64
weather proof
MP count decent (14MP)
has built in flash
rather wide (28mm)
missing Timelapse recording
low battery (210 CIPA)
screen isn't selfie friendly
slow max aperture (f3.9)
51
weather proof
megapixel count amazing (51 megapixels)
low battery power (650 shots)
more heavy than competitors in class (1,550g)
display isn't selfie friendly
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Landscape Comparison

Olympus TG-610 Landscape photography advice
Pentax 645Z Landscape photography advice
43
rather wide (28mm)
nice screen size (3 inch)
has image stabilization (Sensor-shift)
MP count decent (14MP)
weather proof
lack of manual focus
cannot change lenses (fixed lens mount)
slow max aperture (f3.9)
lack of manual exposure
sensor size is very small (1/2.3")
has no RAW files
low battery (210 per charge)
missing Timelapse recording
78
has manual focus
switch lenses (Pentax 645AF2 mount)
pretty good screen size (3.2")
megapixel count amazing (51 megapixels)
large sensor size (Medium format)
does not have anti-alias filter
very good ISO range (204,800)
exports RAW files
weather proof
has double storage slots
lack of image stabilization
low battery power (650 CIPA)
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Vlogging Comparison

Vlogging with Olympus TG-610
Vlogging with Pentax 645Z
30
rather wide (28mm)
has image stabilization (Sensor-shift)
supports face detect focusing
slow max aperture (f3.9)
screen isn't selfie friendly
low res video (1280 x 720 pixels)
missing microphone port
27
features face detection focusing
high res video (1920 x 1080 pixels)
includes external microphone port
display isn't selfie friendly
lack of image stabilization
more heavy than competitors in class (1,550 grams)
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Olympus TG-610 vs Pentax 645Z Specifications

Detailed spec comparison table for Olympus TG-610 and Pentax 645Z
 Olympus TG-610Pentax 645Z
General Information
Make Olympus Pentax
Model Olympus TG-610 Pentax 645Z
Category Waterproof Pro DSLR
Released 2011-01-06 2014-04-15
Body design Compact Large SLR
Sensor Information
Chip TruePic III+ PRIME III
Sensor type CCD CMOS
Sensor size 1/2.3" Medium format
Sensor measurements 6.17 x 4.55mm 44 x 33mm
Sensor area 28.1mm² 1,452.0mm²
Sensor resolution 14 megapixel 51 megapixel
Anti aliasing filter
Aspect ratio 4:3 and 16:9 4:3
Full resolution 4288 x 3216 8256 x 6192
Max native ISO 1600 204800
Lowest native ISO 80 100
RAW format
Autofocusing
Manual focus
Autofocus touch
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Center weighted autofocus
Autofocus multi area
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Number of focus points - 27
Cross focus points - -
Lens
Lens mount fixed lens Pentax 645AF2
Lens focal range 28-140mm (5.0x) -
Max aperture f/3.9-5.9 -
Macro focus range 3cm -
Amount of lenses - 6
Crop factor 5.8 0.8
Screen
Display type Fixed Type Tilting
Display size 3 inch 3.2 inch
Resolution of display 920k dot 1,037k dot
Selfie friendly
Liveview
Touch capability
Display tech TFT Hypercrystal III Color LCD -
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.85x
Features
Lowest shutter speed 4 seconds 30 seconds
Highest shutter speed 1/2000 seconds 1/4000 seconds
Continuous shooting speed 1.0 frames per sec 3.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range 4.20 m no built-in flash
Flash settings Auto, On, Off, Red-Eye, Fill-in Flash On, Flash On+Red-eye Reduction, Slow-speed Sync, Slow-speed Sync+Red-eye, P-TTL, Trailing Curtain Sync, contrast-control-sync, high-speed sync, wireless sync
Hot shoe
AE bracketing
WB bracketing
Highest flash sync - 1/125 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 180 (30fps) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Max video resolution 1280x720 1920x1080
Video file format Motion JPEG MPEG-4, H.264
Microphone jack
Headphone jack
Connectivity
Wireless Eye-Fi Connected None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environment seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 190 gr (0.42 lb) 1550 gr (3.42 lb)
Dimensions 96 x 65 x 26mm (3.8" x 2.6" x 1.0") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO All around score not tested 101
DXO Color Depth score not tested 26.0
DXO Dynamic range score not tested 14.7
DXO Low light score not tested 4505
Other
Battery life 210 images 650 images
Form of battery Battery Pack Battery Pack
Battery model LI-50B D-LI90
Self timer Yes (2 or 12 sec) Yes (2 or 10 secs)
Time lapse shooting
Storage media SD/SDHC/SDXC Dual SD/SDHC/SDXC slots
Storage slots 1 2
Price at launch $223 $5,024