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Pentax 645Z vs Pentax K10D

Portability
49
Imaging
80
Features
74
Overall
77
Pentax 645Z front
 
Pentax K10D front
Portability
59
Imaging
48
Features
43
Overall
46

Pentax 645Z vs Pentax K10D 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
  • Revealed April 2014
  • Old Model is Pentax 645D
Pentax K10D
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 793g - 142 x 101 x 70mm
  • Introduced December 2006
  • Updated by Pentax K20D
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Pentax 645Z vs Pentax K10D Overview

Its time to take a more detailed look at the Pentax 645Z and Pentax K10D, one is a Pro DSLR and the other is a Advanced DSLR and both are offered by Pentax. There exists a big gap among the image resolutions of the 645Z (51MP) and K10D (10MP) and the 645Z (Medium format) and K10D (APS-C) posses totally different sensor sizing.

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The 645Z was revealed 7 years after the K10D which is a fairly big gap as far as camera technology is concerned. Both of the cameras have different body design with the Pentax 645Z being a Large SLR camera and the Pentax K10D being a Mid-size SLR camera.

Before diving into a comprehensive comparison, here is a simple summation of how the 645Z matches up against the K10D with regards to portability, imaging, features and an overall mark.

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Reasons to pick Pentax 645Z over the Pentax K10D

 645Z K10D 
IntroducedApril 2014December 2006Newer by 90 months
Display typeTiltingFixed Tilting display
Display dimensions3.2"2.5"Larger display (+0.7")
Display resolution1037k210kSharper display (+827k dot)

Reasons to pick Pentax K10D over the Pentax 645Z

 K10D 645Z 

Common features in the Pentax 645Z and Pentax K10D

 645Z K10D 
Manually focus Dial precise focus
Selfie screen Neither comes with selfie screen
Touch friendly display Missing Touch friendly display

Pentax 645Z vs Pentax K10D Physical Comparison

If you're aiming to travel with your camera regularly, you have to factor its weight and measurements. The Pentax 645Z comes with external dimensions of 156mm x 117mm x 123mm (6.1" x 4.6" x 4.8") and a weight of 1550 grams (3.42 lbs) and the Pentax K10D has proportions of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") accompanied by a weight of 793 grams (1.75 lbs).

Contrast the Pentax 645Z and Pentax K10D in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an Interchangeable Lens Camera will vary based on the lens you have at that time. Below is a front view overall size comparison of the 645Z against the K10D.

Pentax 645Z vs Pentax K10D size comparison

Using dimensions and weight, the portability score of the 645Z and K10D is 49 and 59 respectively.

Pentax 645Z vs Pentax K10D top view buttons comparison

Pentax 645Z vs Pentax K10D Sensor Comparison

More often than not, it is very difficult to see the contrast in sensor dimensions purely by looking through a spec sheet. The pic below will offer you a stronger sense of the sensor sizes in the 645Z and K10D.

Clearly, both of these cameras provide different megapixel count and different sensor dimensions. The 645Z with its larger sensor will make getting shallower depth of field simpler and the Pentax 645Z will render greater detail because of its extra 41 Megapixels. Greater resolution can also help you crop images more aggressively. The younger 645Z is going to have an advantage in sensor innovation.

Pentax 645Z vs Pentax K10D sensor size comparison

Pentax 645Z vs Pentax K10D Screen and ViewFinder

Pentax 645Z vs Pentax K10D Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax 645Z Portrait photography details
Pentax K10D Portrait photography details
88
you can focus manually
megapixel count high (51MP)
sensor size is large (Medium format)
provides face detection autofocus
saves RAW files
52
focusing manually
good sensor size (APS-C)
exports RAW files
no liveview feature
low resolution (10 megapixels)
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Street Comparison

Pentax 645Z Street photography details
Pentax K10D Street photography details
63
screen tilts up and down
sensor size is large (Medium format)
saves RAW files
weather proofing
very good ISO range (204,800)
does not have image stabilization
heavier than competitors (1,550g)
64
built in image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW files
environment proof
screen does not articulate
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Sports Comparison

Pentax 645Z Sports photography factors
Pentax K10D Sports photography factors
71
megapixel count high (51MP)
sensor size is large (Medium format)
provides tracking autofocus
weather proofing
comes with phase detect autofocus
continuous shooting slow (3.0 frames per second)
does not have image stabilization
bad battery (650 per charge)
52
built in image stabilization (Sensor based)
good sensor size (APS-C)
environment proof
comes with phase detect autofocus
no liveview feature
max fps very slow (3.0 frames per second)
low resolution (10MP)
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Travel Comparison

Pentax 645Z Travel photography factors
Pentax K10D Travel photography factors
51
weather proofing
megapixel count high (51MP)
bad battery (650 per charge)
heavier than competitors (1,550 grams)
display isn't selfie friendly
49
environment proof
built-in flash
missing Time Lapse function
low resolution (10MP)
display isn't selfie friendly
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Landscape Comparison

Pentax 645Z Landscape photography details
Pentax K10D Landscape photography details
78
you can focus manually
interchangeable lenses (Pentax 645AF2 mount)
good sized screen (3.2 inch)
megapixel count high (51MP)
sensor size is large (Medium format)
does not have anti-alias filter
very good ISO range (204,800)
saves RAW files
weather proofing
has double storage slots
does not have image stabilization
bad battery (650 shots)
55
focusing manually
interchangeable lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW files
environment proof
screen is small (2.5")
no liveview feature
low resolution (10MP)
missing Time Lapse function
Photography Glossary

Vlogging Comparison

Pentax 645Z Vlogging factors
Pentax K10D Vlogging factors
27
provides face detection autofocus
high quality video (1920 x 1080 pxls)
does have external mic port
display isn't selfie friendly
does not have image stabilization
heavier than competitors (1,550 grams)
9
lack of video recording
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Pentax 645Z vs Pentax K10D Specifications

Detailed spec comparison table for Pentax 645Z and Pentax K10D
 Pentax 645ZPentax K10D
General Information
Manufacturer Pentax Pentax
Model Pentax 645Z Pentax K10D
Category Pro DSLR Advanced DSLR
Revealed 2014-04-15 2006-12-15
Body design Large SLR Mid-size SLR
Sensor Information
Powered by PRIME III -
Sensor type CMOS CCD
Sensor size Medium format APS-C
Sensor dimensions 44 x 33mm 23.5 x 15.7mm
Sensor area 1,452.0mm² 369.0mm²
Sensor resolution 51 megapixels 10 megapixels
Anti aliasing filter
Aspect ratio 4:3 3:2
Full resolution 8256 x 6192 3872 x 2592
Max native ISO 204800 1600
Minimum native ISO 100 100
RAW data
Autofocusing
Manual focus
AF touch
AF continuous
AF single
AF tracking
Selective AF
Center weighted AF
Multi area AF
AF live view
Face detect AF
Contract detect AF
Phase detect AF
Number of focus points 27 11
Lens
Lens mounting type Pentax 645AF2 Pentax KAF2
Number of lenses 6 151
Focal length multiplier 0.8 1.5
Screen
Range of display Tilting Fixed Type
Display size 3.2 inch 2.5 inch
Display resolution 1,037k dot 210k dot
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 98 percent 95 percent
Viewfinder magnification 0.85x 0.64x
Features
Lowest shutter speed 30 secs 30 secs
Highest shutter speed 1/4000 secs 1/4000 secs
Continuous shooting speed 3.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash range no built-in flash -
Flash options 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, Auto Red Eye
Hot shoe
AE bracketing
WB bracketing
Highest flash sync 1/125 secs 1/180 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p, 30p, 25p,24p) -
Max video resolution 1920x1080 None
Video data format MPEG-4, H.264 -
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 3.0 (5 GBit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1550 grams (3.42 lb) 793 grams (1.75 lb)
Physical dimensions 156 x 117 x 123mm (6.1" x 4.6" x 4.8") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO All around score 101 66
DXO Color Depth score 26.0 22.7
DXO Dynamic range score 14.7 11.6
DXO Low light score 4505 522
Other
Battery life 650 pictures -
Type of battery Battery Pack -
Battery model D-LI90 -
Self timer Yes (2 or 10 secs) Yes (2 or 12 sec)
Time lapse recording
Type of storage Dual SD/SDHC/SDXC slots SD/MMC/SDHC card
Storage slots Dual One
Cost at launch $5,024 $700