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Panasonic ZR3 vs Pentax 645Z

Portability
94
Imaging
36
Features
26
Overall
32
Panasonic Lumix DMC-ZR3 front
 
Pentax 645Z front
Portability
49
Imaging
80
Features
74
Overall
77

Panasonic ZR3 vs Pentax 645Z Key Specs

Panasonic ZR3
(Full Review)
  • 14MP - 1/2.3" Sensor
  • 2.7" Fixed Display
  • ISO 80 - 6400
  • Optical Image Stabilization
  • 1280 x 720 video
  • 25-200mm (F3.3-5.9) lens
  • 159g - 98 x 55 x 26mm
  • Launched January 2010
  • Also Known as Lumix DMC-ZX3
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
  • Launched April 2014
  • Previous Model is Pentax 645D
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Panasonic ZR3 vs Pentax 645Z Overview

On this page, we are comparing the Panasonic ZR3 versus Pentax 645Z, one is a Small Sensor Compact and the other is a Pro DSLR by rivals Panasonic and Pentax. There is a significant difference among the image resolutions of the ZR3 (14MP) and 645Z (51MP) and the ZR3 (1/2.3") and 645Z (Medium format) boast totally different sensor sizing.

Photography Glossary

The ZR3 was launched 5 years earlier than the 645Z which is a fairly sizable gap as far as camera tech is concerned. Both of the cameras have different body design with the Panasonic ZR3 being a Compact camera and the Pentax 645Z being a Large SLR camera.

Before getting straight to a in depth comparison, here is a brief summary of how the ZR3 scores against the 645Z in the way of portability, imaging, features and an overall mark.

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Reasons to pick Panasonic ZR3 over the Pentax 645Z

 ZR3 645Z 

Reasons to pick Pentax 645Z over the Panasonic ZR3

 645Z ZR3 
LaunchedApril 2014January 2010Newer by 51 months
Focus manually Dial accurate focusing
Display typeTiltingFixed Tilting display
Display dimensions3.2"2.7"Larger display (+0.5")
Display resolution1037k230kSharper display (+807k dot)

Common features in the Panasonic ZR3 and Pentax 645Z

 ZR3 645Z 
Selfie screen Neither has selfie screen
Touch display Neither has Touch display

Panasonic ZR3 vs Pentax 645Z Physical Comparison

In case you're going to travel with your camera regularly, you'll need to factor in its weight and size. The Panasonic ZR3 has outside measurements of 98mm x 55mm x 26mm (3.9" x 2.2" x 1.0") accompanied by a weight of 159 grams (0.35 lbs) whilst the Pentax 645Z has specifications of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") along with a weight of 1550 grams (3.42 lbs).

Compare the Panasonic ZR3 versus Pentax 645Z in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an Interchangeable Lens Camera will differ dependant on the lens you are working with at that moment. Below is a front view physical size comparison of the ZR3 versus the 645Z.

Panasonic ZR3 vs Pentax 645Z size comparison

Considering size and weight, the portability score of the ZR3 and 645Z is 94 and 49 respectively.

Panasonic ZR3 vs Pentax 645Z top view buttons comparison

Panasonic ZR3 vs Pentax 645Z Sensor Comparison

Generally, it's difficult to see the contrast in sensor dimensions simply by viewing specifications. The picture below may give you a far better sense of the sensor measurements in the ZR3 and 645Z.

To sum up, both cameras provide different megapixel count and different sensor dimensions. The ZR3 featuring a smaller sensor will make achieving shallower depth of field trickier and the Pentax 645Z will provide you with extra detail utilizing its extra 37 Megapixels. Greater resolution will also make it easier to crop images more aggressively. The more aged ZR3 will be behind when it comes to sensor tech.

Panasonic ZR3 vs Pentax 645Z sensor size comparison

Panasonic ZR3 vs Pentax 645Z Screen and ViewFinder

Panasonic ZR3 vs Pentax 645Z Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Panasonic ZR3
Portrait photography with Pentax 645Z
28
resolution is good (14 megapixels)
manual focus not available
no manual control
can't use external flash
small sensor (1/2.3")
lacks RAW format
88
has manual focus
resolution is great (51MP)
big sensor size (Medium format)
has face detect focusing
delivers RAW formats
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Street Comparison

Panasonic ZR3 as a Street photography camera
Pentax 645Z as a Street photography camera
56
image stabilization (Optical)
screen does not articulate
small sensor (1/2.3")
lacks RAW format
63
screen tilts up and down
big sensor size (Medium format)
delivers RAW formats
environment proofing
good high ISO (204,800)
no image stabilization
more heavy than competitors (1,550g)
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Sports Comparison

Panasonic ZR3 Sports photography highlights
Pentax 645Z Sports photography highlights
36
image stabilization (Optical)
resolution is good (14MP)
includes tracking autofocus
low maximum shutter speed (1/1,300 seconds)
slow continuous shooting (2.0 fps)
lack of shutter priority mode
small sensor (1/2.3")
lacks phase detect autofocus
71
resolution is great (51MP)
big sensor size (Medium format)
has tracking focus
environment proofing
supports phase detect AF
continuous shooting slow (3.0 frames/s)
no image stabilization
not so great battery life (650 CIPA)
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Travel Comparison

Panasonic ZR3 as a Travel photography camera
Pentax 645Z as a Travel photography camera
64
resolution is good (14 megapixels)
flash built-in
quite wide (25mm)
missing Timelapse function
does not posses selfie friendly display
somewhat slow maximum aperture (f3.3)
51
environment proofing
resolution is great (51 megapixels)
not so great battery life (650 per charge)
more heavy than competitors (1,550g)
does not contain selfie friendly display
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Landscape Comparison

Panasonic ZR3 Landscape photography information
Pentax 645Z Landscape photography information
37
quite wide (25mm)
image stabilization (Optical)
resolution is good (14 megapixels)
manual focus not available
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f3.3)
small screen (2.7 inch)
no manual control
small sensor (1/2.3")
lacks RAW format
missing Timelapse function
78
has manual focus
switch lenses (Pentax 645AF2 mount)
screen size is good (3.2 inch)
resolution is great (51 megapixels)
big sensor size (Medium format)
no anti aliasing filter
good high ISO (204,800)
delivers RAW formats
environment proofing
has dual storage slots
no image stabilization
not so great battery life (650 shots)
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Vlogging Comparison

Panasonic ZR3 Vlogging information
Pentax 645Z Vlogging information
29
quite wide (25mm)
image stabilization (Optical)
somewhat slow maximum aperture (f3.3)
does not posses selfie friendly display
video quality not great (1280 x 720 pxls)
missing external microphone support
27
has face detect focusing
video res high (1920 x 1080 resolution)
comes with microphone jack
does not contain selfie friendly display
no image stabilization
more heavy than competitors (1,550 grams)
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Panasonic ZR3 vs Pentax 645Z Specifications

Detailed spec comparison table for Panasonic ZR3 and Pentax 645Z
 Panasonic Lumix DMC-ZR3Pentax 645Z
General Information
Brand Panasonic Pentax
Model type Panasonic Lumix DMC-ZR3 Pentax 645Z
Other name Lumix DMC-ZX3 -
Class Small Sensor Compact Pro DSLR
Launched 2010-01-26 2014-04-15
Body design Compact Large SLR
Sensor Information
Processor Chip Venus Engine HD II PRIME III
Sensor type CCD CMOS
Sensor size 1/2.3" Medium format
Sensor measurements 6.08 x 4.56mm 44 x 33mm
Sensor surface area 27.7mm² 1,452.0mm²
Sensor resolution 14 megapixels 51 megapixels
Anti alias filter
Aspect ratio 4:3, 3:2 and 16:9 4:3
Peak resolution 4320 x 3240 8256 x 6192
Highest native ISO 6400 204800
Lowest native ISO 80 100
RAW pictures
Autofocusing
Focus manually
AF touch
Continuous AF
Single AF
AF tracking
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detect AF
Contract detect AF
Phase detect AF
Total focus points 11 27
Lens
Lens support fixed lens Pentax 645AF2
Lens zoom range 25-200mm (8.0x) -
Max aperture f/3.3-5.9 -
Macro focusing distance 3cm -
Total lenses - 6
Focal length multiplier 5.9 0.8
Screen
Display type Fixed Type Tilting
Display diagonal 2.7 inches 3.2 inches
Display resolution 230 thousand dot 1,037 thousand dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder None Optical (pentaprism)
Viewfinder coverage - 98%
Viewfinder magnification - 0.85x
Features
Minimum shutter speed 60s 30s
Fastest shutter speed 1/1300s 1/4000s
Continuous shutter speed 2.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation - Yes
Change WB
Image stabilization
Integrated flash
Flash distance 5.30 m no built-in flash
Flash modes Auto, On, Off, Red-eye, Slow Syncro 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
AE bracketing
White balance bracketing
Fastest flash sync - 1/125s
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1280 x 720 (30 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p)
Highest video resolution 1280x720 1920x1080
Video file format AVCHD Lite MPEG-4, H.264
Microphone input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 3.0 (5 GBit/sec)
GPS None Optional
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 159 grams (0.35 lb) 1550 grams (3.42 lb)
Physical dimensions 98 x 55 x 26mm (3.9" x 2.2" x 1.0") 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 - 650 images
Battery format - Battery Pack
Battery ID - D-LI90
Self timer Yes (2 or 10 sec) Yes (2 or 10 secs)
Time lapse shooting
Type of storage SD/SDHC/SDXC, Internal Dual SD/SDHC/SDXC slots
Storage slots One 2
Pricing at release $280 $5,024