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Olympus TG-6 vs Pentax 645Z

Portability
90
Imaging
39
Features
54
Overall
45
Olympus Tough TG-6 front
 
Pentax 645Z front
Portability
49
Imaging
81
Features
74
Overall
78

Olympus TG-6 vs Pentax 645Z Key Specs

Olympus TG-6
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 100 - 12800
  • Sensor-shift Image Stabilization
  • 3840 x 2160 video
  • 25-100mm (F2.0-4.9) lens
  • 253g - 113 x 66 x 32mm
  • Announced May 2019
  • Superseded the Olympus TG-5
Pentax 645Z
(Full Review)
  • 51MP - Medium format Sensor
  • 3.2" Tilting Display
  • ISO 100 - 204800
  • No Anti-Alias Filter
  • 1920 x 1080 video
  • Pentax 645AF2 Mount
  • 1550g - 156 x 117 x 123mm
  • Released April 2014
  • Replaced the Pentax 645D
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Olympus TG-6 vs Pentax 645Z Overview

Here is a thorough assessment of the Olympus TG-6 versus Pentax 645Z, one being a Waterproof and the other is a Pro DSLR by rivals Olympus and Pentax. There exists a crucial gap among the resolutions of the TG-6 (12MP) and 645Z (51MP) and the TG-6 (1/2.3") and 645Z (Medium format) use totally different sensor size.

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The TG-6 was released 5 years later than the 645Z and that is a fairly serious gap as far as camera technology is concerned. Each of the cameras come with different body type with the Olympus TG-6 being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before we go in to a in-depth comparison, below is a simple introduction of how the TG-6 scores vs the 645Z when considering portability, imaging, features and an overall rating.

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Reasons to pick Olympus TG-6 over the Pentax 645Z

 TG-6 645Z 
ReleasedMay 2019April 2014Fresher by 63 months
Display resolution1040k1037kSharper display (+3k dot)

Reasons to pick Pentax 645Z over the Olympus TG-6

 645Z TG-6 
Display typeTiltingFixed Tilting display
Display dimension3.2"3"Larger display (+0.2")

Common features in the Olympus TG-6 and Pentax 645Z

 TG-6 645Z 
Manual focus More accurate focusing
Selfie screen Absent selfie screen
Touch display Absent Touch display

Olympus TG-6 vs Pentax 645Z Physical Comparison

When you are going to carry your camera regularly, you'll have to think about its weight and size. The Olympus TG-6 enjoys exterior measurements of 113mm x 66mm x 32mm (4.4" x 2.6" x 1.3") accompanied by a weight of 253 grams (0.56 lbs) and the Pentax 645Z has specifications of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") with a weight of 1550 grams (3.42 lbs).

Compare the Olympus TG-6 versus Pentax 645Z in the latest Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilizing at that moment. Underneath is the front view over all size comparison of the TG-6 compared to the 645Z.

Olympus TG-6 vs Pentax 645Z size comparison

Taking into account dimensions and weight, the portability score of the TG-6 and 645Z is 90 and 49 respectively.

Olympus TG-6 vs Pentax 645Z top view buttons comparison

Olympus TG-6 vs Pentax 645Z Sensor Comparison

Quite often, it is tough to see the difference in sensor sizing merely by checking out specifications. The photograph below will offer you a clearer sense of the sensor measurements in the TG-6 and 645Z.

Plainly, both of the cameras have got different resolutions and different sensor sizing. The TG-6 because of its smaller sensor will make shooting shallow DOF tougher and the Pentax 645Z will produce greater detail as a result of its extra 39MP. Greater resolution will also let you crop photos much more aggressively. The newer TG-6 is going to have an edge in sensor technology.

Olympus TG-6 vs Pentax 645Z sensor size comparison

Olympus TG-6 vs Pentax 645Z Screen and ViewFinder

Olympus TG-6 vs Pentax 645Z Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Olympus TG-6 Portrait photography details
Pentax 645Z Portrait photography details
40
you can focus manually
provides face detection autofocus
supports RAW formats
manual exposure not possible
no external flash support
MP count low (12MP)
very small sensor size (1/2.3")
88
has manual focus
MP count amazing (51MP)
large sensor size (Medium format)
provides face detection autofocus
supports RAW formats
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Street Comparison

Olympus TG-6 as a Street photography camera
Pentax 645Z as a Street photography camera
65
image stabilization (Sensor-shift)
supports RAW formats
weather proof
no moving screen
very small sensor size (1/2.3")
heavier than competition in class (253 grams)
63
tilting screen
large sensor size (Medium format)
supports RAW formats
weather sealing
very good high ISO (204,800)
no image stabilization
heavier than average (1,550g)
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Sports Comparison

Olympus TG-6 as a Sports photography camera
Pentax 645Z as a Sports photography camera
47
max frames per second high (20.0 fps)
image stabilization (Sensor-shift)
provides tracking autofocus
weather proof
great battery pack (340 shots)
no shutter priority
MP count low (12MP)
very small sensor size (1/2.3")
does not have phase detect autofocus
71
MP count amazing (51MP)
large sensor size (Medium format)
provides tracking autofocus
weather sealing
comes with phase detect autofocus
slow continuous shooting (3.0 fps)
no image stabilization
not so great battery pack (650 CIPA)
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Travel Comparison

Travel photography with Olympus TG-6
Travel photography with Pentax 645Z
68
great battery pack (340 shots)
weather proof
built-in flash
decently wide (25mm)
very good max aperture (f2.0)
heavier than competition in class (253 grams)
MP count low (12 megapixels)
does not have selfie friendly display
51
weather sealing
MP count amazing (51 megapixels)
not so great battery pack (650 per charge)
heavier than average (1,550g)
screen is not selfie friendly
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Landscape Comparison

Olympus TG-6 as a Landscape photography camera
Pentax 645Z as a Landscape photography camera
57
you can focus manually
decently wide (25mm)
very good max aperture (f2.0)
screen size is good (3 inches)
image stabilization (Sensor-shift)
supports RAW formats
weather proof
great battery pack (340 CIPA)
lens is fixed (fixed lens mount)
manual exposure not possible
MP count low (12 megapixels)
very small sensor size (1/2.3")
78
has manual focus
swap lenses (Pentax 645AF2 mount)
decent sized screen (3.2 inches)
MP count amazing (51MP)
large sensor size (Medium format)
does not have low pass filter
very good high ISO (204,800)
supports RAW formats
weather sealing
has double storage slots
no image stabilization
not so great battery pack (650 per charge)
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Vlogging Comparison

Olympus TG-6 as a Vlogging camera
Pentax 645Z as a Vlogging camera
34
decently wide (25mm)
very good max aperture (f2.0)
image stabilization (Sensor-shift)
provides face detection autofocus
video resolution high (3840 x 2160 pixels)
does not have selfie friendly display
missing external mic port
heavier than competition in class (253 grams)
27
provides face detection autofocus
high res video (1920 x 1080 pixels)
does have external mic port
screen is not selfie friendly
no image stabilization
heavier than average (1,550 grams)
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Olympus TG-6 vs Pentax 645Z Specifications

Detailed spec comparison table for Olympus TG-6 and Pentax 645Z
 Olympus Tough TG-6Pentax 645Z
General Information
Brand Name Olympus Pentax
Model type Olympus Tough TG-6 Pentax 645Z
Category Waterproof Pro DSLR
Announced 2019-05-22 2014-04-15
Body design Compact Large SLR
Sensor Information
Powered by TruePic VIII PRIME III
Sensor type BSI-CMOS CMOS
Sensor size 1/2.3" Medium format
Sensor dimensions 6.17 x 4.55mm 44 x 33mm
Sensor surface area 28.1mm² 1,452.0mm²
Sensor resolution 12 megapixels 51 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 4:3
Max resolution 4000 x 3000 8256 x 6192
Max native ISO 12800 204800
Lowest native ISO 100 100
RAW photos
Autofocusing
Focus manually
Touch focus
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 25 27
Lens
Lens support fixed lens Pentax 645AF2
Lens zoom range 25-100mm (4.0x) -
Largest aperture f/2.0-4.9 -
Macro focusing range 1cm -
Number of lenses - 6
Crop factor 5.8 0.8
Screen
Screen type Fixed Type Tilting
Screen sizing 3 inches 3.2 inches
Screen resolution 1,040k dot 1,037k dot
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 98 percent
Viewfinder magnification - 0.85x
Features
Min shutter speed 4 secs 30 secs
Max shutter speed 1/2000 secs 1/4000 secs
Continuous shutter speed 20.0fps 3.0fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Custom WB
Image stabilization
Built-in flash
Flash distance - no built-in flash
Flash options Auto, Red Eye Reduction, Slow sync. (1st curtain), Red-eye Slow sync. (1st curtain), Fill- in, Manual, Flash Off 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
External flash
Auto exposure bracketing
White balance bracketing
Max flash sync - 1/125 secs
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 3840 x 2160 @ 30p / 102 Mbps, MOV, H.264, Linear PC 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Max video resolution 3840x2160 1920x1080
Video format MPEG-4, H.264 MPEG-4, H.264
Mic jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS Built-in Optional
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 253g (0.56 lb) 1550g (3.42 lb)
Dimensions 113 x 66 x 32mm (4.4" x 2.6" x 1.3") 156 x 117 x 123mm (6.1" x 4.6" x 4.8")
DXO scores
DXO Overall rating not tested 101
DXO Color Depth rating not tested 26.0
DXO Dynamic range rating not tested 14.7
DXO Low light rating not tested 4505
Other
Battery life 340 photos 650 photos
Type of battery Battery Pack Battery Pack
Battery ID LI-92B D-LI90
Self timer Yes Yes (2 or 10 secs)
Time lapse recording
Type of storage SD/SDHC/SDXC card (UHS-I support) Dual SD/SDHC/SDXC slots
Storage slots One Two
Launch pricing $449 $5,024