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Pentax 645Z vs Pentax WG-2 GPS

Portability
49
Imaging
80
Features
74
Overall
77
Pentax 645Z front
 
Pentax Optio WG-2 GPS front
Portability
91
Imaging
39
Features
37
Overall
38

Pentax 645Z vs Pentax WG-2 GPS Key Specs

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
  • Introduced April 2014
  • Older Model is Pentax 645D
Pentax WG-2 GPS
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 125 - 6400
  • 1920 x 1080 video
  • 28-140mm (F3.5-5.5) lens
  • 198g - 122 x 61 x 30mm
  • Revealed February 2012
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Pentax 645Z vs Pentax WG-2 GPS Overview

Here is a in-depth analysis of the Pentax 645Z versus Pentax WG-2 GPS, former being a Pro DSLR while the latter is a Waterproof and both are created by Pentax. There is a large difference among the resolutions of the 645Z (51MP) and WG-2 GPS (16MP) and the 645Z (Medium format) and WG-2 GPS (1/2.3") provide totally different sensor size.

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The 645Z was launched 2 years later than the WG-2 GPS and that is a fairly serious difference as far as camera tech is concerned. The two cameras have different body design with the Pentax 645Z being a Large SLR camera and the Pentax WG-2 GPS being a Compact camera.

Before we go right into a in depth comparison, here is a short view of how the 645Z scores against the WG-2 GPS when considering portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Pentax 645Z over the Pentax WG-2 GPS

 645Z WG-2 GPS 
RevealedApril 2014February 2012Fresher by 27 months
Screen typeTiltingFixed Tilting screen
Screen dimensions3.2"3"Bigger screen (+0.2")
Screen resolution1037k460kClearer screen (+577k dot)

Reasons to pick Pentax WG-2 GPS over the Pentax 645Z

 WG-2 GPS 645Z 

Common features in the Pentax 645Z and Pentax WG-2 GPS

 645Z WG-2 GPS 
Focus manually Dial exact focusing
Selfie screen Neither offers selfie screen
Touch screen Lack of Touch screen

Pentax 645Z vs Pentax WG-2 GPS Physical Comparison

For anybody who is intending to carry your camera often, you should think about its weight and size. The Pentax 645Z offers exterior measurements of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") with a weight of 1550 grams (3.42 lbs) whilst the Pentax WG-2 GPS has specifications of 122mm x 61mm x 30mm (4.8" x 2.4" x 1.2") with a weight of 198 grams (0.44 lbs).

Take a look at the Pentax 645Z versus Pentax WG-2 GPS in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ depending on the lens you have attached at that moment. Following is a front view over all size comparison of the 645Z versus the WG-2 GPS.

Pentax 645Z vs Pentax WG-2 GPS size comparison

Considering size and weight, the portability rating of the 645Z and WG-2 GPS is 49 and 91 respectively.

Pentax 645Z vs Pentax WG-2 GPS top view buttons comparison

Pentax 645Z vs Pentax WG-2 GPS Sensor Comparison

Oftentimes, it is tough to see the difference in sensor sizing just by looking through specifications. The photograph underneath will help give you a much better sense of the sensor measurements in the 645Z and WG-2 GPS.

To sum up, both of those cameras have different megapixel count and different sensor sizing. The 645Z featuring a bigger sensor will make achieving shallower DOF less difficult and the Pentax 645Z will provide you with extra detail utilizing its extra 35MP. Higher resolution can also make it easier to crop shots a bit more aggressively. The younger 645Z is going to have an edge with regard to sensor tech.

Pentax 645Z vs Pentax WG-2 GPS sensor size comparison

Pentax 645Z vs Pentax WG-2 GPS Screen and ViewFinder

Pentax 645Z vs Pentax WG-2 GPS Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax 645Z as a Portrait photography camera
Pentax WG-2 GPS as a Portrait photography camera
88
has manual focus
sensor resolution is great (51 megapixels)
large sensor size (Medium format)
includes face detection focusing
saves RAW files
40
has manual focus
good MP (16MP)
features face detect focus
no manual control
cannot use external flash
sensor size is small (1/2.3")
lack of RAW files
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Street Comparison

Pentax 645Z Street photography details
Pentax WG-2 GPS Street photography details
63
screen tilts
large sensor size (Medium format)
saves RAW files
weather proof
good ISO range (204,800)
no image stabilization
more heavy than competitors (1,550g)
54
weather proof
screen does not articulate
lack of image stabilization
sensor size is small (1/2.3")
lack of RAW files
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Sports Comparison

Pentax 645Z Sports photography highlights
Pentax WG-2 GPS Sports photography highlights
71
sensor resolution is great (51 megapixels)
large sensor size (Medium format)
includes tracking autofocus
weather proof
supports phase detect AF
slow frames per second (3.0 frames per second)
no image stabilization
not so great battery (650 per charge)
38
good MP (16MP)
features tracking focus
weather proof
continuous shooting slow (1.0 frames/s)
no shutter priority
lack of image stabilization
sensor size is small (1/2.3")
lack of phase detect auto focus
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Travel Comparison

Travel photography with Pentax 645Z
Travel photography with Pentax WG-2 GPS
51
weather proof
sensor resolution is great (51 megapixels)
not so great battery (650 CIPA)
more heavy than competitors (1,550 grams)
screen isn't selfie friendly
70
weather proof
good MP (16MP)
built-in flash
decently wide (28mm)
does not contain selfie friendly display
sluggish max aperture (f3.5)
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Landscape Comparison

Landscape photography with Pentax 645Z
Landscape photography with Pentax WG-2 GPS
78
has manual focus
change lenses (Pentax 645AF2 mount)
pretty good screen size (3.2 inches)
sensor resolution is great (51 megapixels)
large sensor size (Medium format)
no low pass filter
good ISO range (204,800)
saves RAW files
weather proof
has dual storage slots
no image stabilization
not so great battery (650 shots)
47
has manual focus
decently wide (28mm)
screen size is good (3")
good MP (16 megapixels)
weather proof
fixed lens (fixed lens mount)
sluggish max aperture (f3.5)
no manual control
lack of image stabilization
sensor size is small (1/2.3")
lack of RAW files
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Vlogging Comparison

Pentax 645Z Vlogging highlights
Pentax WG-2 GPS Vlogging highlights
27
includes face detection focusing
video resolution high (1920 x 1080 resolution)
comes with external microphone jack
screen isn't selfie friendly
no image stabilization
more heavy than competitors (1,550g)
30
decently wide (28mm)
features face detect focus
high res video (1920 x 1080 pxls)
sluggish max aperture (f3.5)
does not contain selfie friendly display
lack of image stabilization
does not have microphone jack
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Pentax 645Z vs Pentax WG-2 GPS Specifications

Detailed spec comparison table for Pentax 645Z and Pentax WG-2 GPS
 Pentax 645ZPentax Optio WG-2 GPS
General Information
Manufacturer Pentax Pentax
Model type Pentax 645Z Pentax Optio WG-2 GPS
Class Pro DSLR Waterproof
Introduced 2014-04-15 2012-02-07
Body design Large SLR Compact
Sensor Information
Processor Chip PRIME III -
Sensor type CMOS BSI-CMOS
Sensor size Medium format 1/2.3"
Sensor measurements 44 x 33mm 6.17 x 4.55mm
Sensor surface area 1,452.0mm² 28.1mm²
Sensor resolution 51 megapixel 16 megapixel
Anti alias filter
Aspect ratio 4:3 1:1, 4:3 and 16:9
Peak resolution 8256 x 6192 4288 x 3216
Highest native ISO 204800 6400
Min native ISO 100 125
RAW format
Autofocusing
Manual focusing
Touch to focus
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points 27 9
Lens
Lens support Pentax 645AF2 fixed lens
Lens zoom range - 28-140mm (5.0x)
Maximal aperture - f/3.5-5.5
Macro focusing range - 1cm
Total lenses 6 -
Crop factor 0.8 5.8
Screen
Display type Tilting Fixed Type
Display size 3.2 inch 3 inch
Resolution of display 1,037 thousand dot 460 thousand dot
Selfie friendly
Liveview
Touch function
Display tech - Widescreen TFT color LCD with anti-reflective coating
Viewfinder Information
Viewfinder type Optical (pentaprism) None
Viewfinder coverage 98% -
Viewfinder magnification 0.85x -
Features
Min shutter speed 30 seconds 4 seconds
Max shutter speed 1/4000 seconds 1/4000 seconds
Continuous shutter speed 3.0 frames per sec 1.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes -
Set WB
Image stabilization
Integrated flash
Flash distance no built-in flash 5.40 m
Flash settings 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 Auto, On, Off, Red-eye, Soft
External flash
Auto exposure bracketing
WB bracketing
Max flash sync 1/125 seconds -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Supported video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) 1920 x 1080 (30 fps), 1280 x 720 (60, 30 fps), 640 x 480 (30fps), 320 x 240 (30, 15 fps)
Highest video resolution 1920x1080 1920x1080
Video format MPEG-4, H.264 MPEG-4, H.264
Microphone input
Headphone input
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional BuiltIn
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1550 grams (3.42 lbs) 198 grams (0.44 lbs)
Physical dimensions 156 x 117 x 123mm (6.1" x 4.6" x 4.8") 122 x 61 x 30mm (4.8" x 2.4" x 1.2")
DXO scores
DXO Overall rating 101 not tested
DXO Color Depth rating 26.0 not tested
DXO Dynamic range rating 14.7 not tested
DXO Low light rating 4505 not tested
Other
Battery life 650 images 260 images
Battery format Battery Pack Battery Pack
Battery ID D-LI90 D-LI92
Self timer Yes (2 or 10 secs) Yes (2 or 10 sec)
Time lapse recording
Storage media Dual SD/SDHC/SDXC slots SD/SDHC/SDXC card, Internal
Storage slots Dual One
Price at release $5,024 $300