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Pentax 645D vs Pentax K-50

Portability
50
Imaging
76
Features
52
Overall
66
Pentax 645D front
 
Pentax K-50 front
Portability
63
Imaging
58
Features
65
Overall
60

Pentax 645D vs Pentax K-50 Key Specs

Pentax 645D
(Full Review)
  • 40MP - Medium format Sensor
  • 3" Fixed Screen
  • ISO 200 - 1600
  • No Anti-Alias Filter
  • No Video
  • Pentax 645AF2 Mount
  • 1480g - 156 x 117 x 119mm
  • Launched March 2010
  • Replacement is Pentax 645Z
Pentax K-50
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 51600
  • Sensor based Image Stabilization
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 650g - 130 x 97 x 71mm
  • Introduced November 2013
  • Superseded the Pentax K-30
Photography Glossary

Pentax 645D vs Pentax K-50 Overview

In this article, we are matching up the Pentax 645D versus Pentax K-50, former is a Pro DSLR while the other is a Entry-Level DSLR and both are manufactured by Pentax. There exists a substantial gap among the image resolutions of the 645D (40MP) and K-50 (16MP) and the 645D (Medium format) and K-50 (APS-C) feature totally different sensor size.

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The 645D was released 4 years earlier than the K-50 which is a fairly big difference as far as camera technology is concerned. Both of these cameras offer different body type with the Pentax 645D being a Large SLR camera and the Pentax K-50 being a Compact SLR camera.

Before diving straight into a in-depth comparison, below is a brief synopsis of how the 645D matches up vs the K-50 for portability, imaging, features and an overall mark.

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Reasons to pick Pentax 645D over the Pentax K-50

 645D K-50 

Reasons to pick Pentax K-50 over the Pentax 645D

 K-50 645D 
IntroducedNovember 2013March 2010Newer by 45 months

Common features in the Pentax 645D and Pentax K-50

 645D K-50 
Focus manually Very accurate focusing
Display typeFixed Fixed Fixed display
Display sizing3"3"Equivalent display size
Display resolution921k921kEqual display resolution
Selfie screen Neither provides selfie screen
Touch friendly display Lacking Touch friendly display

Pentax 645D vs Pentax K-50 Physical Comparison

For anyone who is intending to travel with your camera regularly, you will have to take into account its weight and volume. The Pentax 645D provides physical measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") accompanied by a weight of 1480 grams (3.26 lbs) whilst the Pentax K-50 has sizing of 130mm x 97mm x 71mm (5.1" x 3.8" x 2.8") having a weight of 650 grams (1.43 lbs).

Look at the Pentax 645D versus Pentax K-50 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will change dependant on the lens you are employing at the time. Below is the front view scale comparison of the 645D compared to the K-50.

Pentax 645D vs Pentax K-50 size comparison

Taking into account dimensions and weight, the portability score of the 645D and K-50 is 50 and 63 respectively.

Pentax 645D vs Pentax K-50 top view buttons comparison

Pentax 645D vs Pentax K-50 Sensor Comparison

Normally, it is very hard to envision the difference in sensor dimensions just by seeing a spec sheet. The image below may give you a clearer sense of the sensor sizing in the 645D and K-50.

As you can see, both cameras enjoy different resolutions and different sensor dimensions. The 645D featuring a larger sensor will make getting shallow DOF simpler and the Pentax 645D will show extra detail as a result of its extra 24 Megapixels. Greater resolution can also help you crop photos far more aggressively. The more aged 645D will be disadvantaged when it comes to sensor technology.

Pentax 645D vs Pentax K-50 sensor size comparison

Pentax 645D vs Pentax K-50 Screen and ViewFinder

Pentax 645D vs Pentax K-50 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax 645D as a Portrait photography camera
Pentax K-50 as a Portrait photography camera
77
you can focus manually
resolution is excellent (40 megapixels)
big sensor size (Medium format)
delivers RAW files
doesn't have liveview
74
focusing manually
decent MP (16 megapixels)
sensor size is decent (APS-C)
offers face detection focus
saves RAW files
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Street Comparison

Pentax 645D Street photography factors
Pentax K-50 Street photography factors
58
big sensor size (Medium format)
delivers RAW files
environment proof
no articulating screen
lack of image stabilization
65
built in image stabilization (Sensor based)
sensor size is decent (APS-C)
saves RAW files
environment sealing
above average high ISO (51,600)
screen does not articulate
more heavy than competitors (650 grams)
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Sports Comparison

Pentax 645D Sports photography info
Pentax K-50 Sports photography info
63
resolution is excellent (40MP)
big sensor size (Medium format)
environment proof
supports phase detect auto focus
doesn't have liveview
slow continuous shooting (1.0 frames/s)
lack of image stabilization
low battery life (800 per charge)
67
maximum shutter speed is high (1/6,000 seconds)
built in image stabilization (Sensor based)
decent MP (16MP)
sensor size is decent (APS-C)
offers tracking autofocus
environment sealing
sensor has phase detect auto focus
slow frames per second (6.0 frames per second)
bad battery (410 CIPA)
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Travel Comparison

Travel photography with Pentax 645D
Travel photography with Pentax K-50
55
environment proof
resolution is excellent (40 megapixels)
low battery life (800 per charge)
display isn't selfie friendly
56
environment sealing
decent MP (16MP)
built-in flash
bad battery (410 shots)
more heavy than competitors (650 grams)
screen isn't selfie friendly
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Landscape Comparison

Pentax 645D as a Landscape photography camera
Pentax K-50 as a Landscape photography camera
72
you can focus manually
interchangeable lenses (Pentax 645AF2 mount)
screen is a good size (3")
resolution is excellent (40 megapixels)
big sensor size (Medium format)
does not have low pass filter
delivers RAW files
environment proof
has double storage slots
doesn't have liveview
lack of image stabilization
low battery life (800 shots)
74
focusing manually
swap lenses (Pentax KAF2 mount)
screen size is good (3")
built in image stabilization (Sensor based)
decent MP (16 megapixels)
sensor size is decent (APS-C)
above average high ISO (51,600)
saves RAW files
environment sealing
bad battery (410 per charge)
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Vlogging Comparison

Pentax 645D Vlogging factors
Pentax K-50 Vlogging factors
9
can't record video
28
built in image stabilization (Sensor based)
offers face detection focus
high res video (1920 x 1080 pixels)
screen isn't selfie friendly
doesn't have external microphone socket
more heavy than competitors (650g)
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Pentax 645D vs Pentax K-50 Specifications

Detailed spec comparison table for Pentax 645D and Pentax K-50
 Pentax 645DPentax K-50
General Information
Company Pentax Pentax
Model Pentax 645D Pentax K-50
Class Pro DSLR Entry-Level DSLR
Launched 2010-03-10 2013-11-27
Physical type Large SLR Compact SLR
Sensor Information
Powered by Prime II PRIME M
Sensor type CCD CMOS
Sensor size Medium format APS-C
Sensor measurements 44 x 33mm 23.7 x 15.7mm
Sensor area 1,452.0mm² 372.1mm²
Sensor resolution 40MP 16MP
Anti aliasing filter
Aspect ratio 4:3 3:2
Maximum resolution 7264 x 5440 4928 x 3264
Maximum native ISO 1600 51600
Min native ISO 200 100
RAW data
Min boosted ISO 100 -
Autofocusing
Manual focus
AF touch
Continuous AF
AF single
AF tracking
Selective AF
AF center weighted
AF multi area
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 11 11
Cross focus points - 9
Lens
Lens mount Pentax 645AF2 Pentax KAF2
Number of lenses 6 151
Focal length multiplier 0.8 1.5
Screen
Screen type Fixed Type Fixed Type
Screen sizing 3 inches 3 inches
Resolution of screen 921k dots 921k dots
Selfie friendly
Liveview
Touch screen
Screen tech TFT Color LCD with wide-viewing angle and with AR coating TFT LCD monitor with brightness/color adjustment and AR coating
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentaprism)
Viewfinder coverage 98 percent 100 percent
Viewfinder magnification 0.85x 0.61x
Features
Slowest shutter speed 30 seconds 30 seconds
Maximum shutter speed 1/4000 seconds 1/6000 seconds
Continuous shooting rate 1.0 frames/s 6.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash range no built-in flash 12.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-eye, Slow Sync, Rear Curtain Auto, On, Off, Red-eye, Slow Sync, Slow Sync+Redeye, Trailing Curtain Sync, Wireless
External flash
AE bracketing
White balance bracketing
Maximum flash synchronize 1/125 seconds 1/180 seconds
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50,30,25,24 fps), 640 x 424 (30,25,24 fps)
Maximum video resolution None 1920x1080
Video file format - MPEG-4, H.264
Microphone port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1480 grams (3.26 pounds) 650 grams (1.43 pounds)
Dimensions 156 x 117 x 119mm (6.1" x 4.6" x 4.7") 130 x 97 x 71mm (5.1" x 3.8" x 2.8")
DXO scores
DXO All around score 82 79
DXO Color Depth score 24.6 23.7
DXO Dynamic range score 12.6 13.0
DXO Low light score 1262 1120
Other
Battery life 800 photographs 410 photographs
Battery type Battery Pack Battery Pack
Battery model D-LI90 D-LI109
Self timer Yes (2 or 10 sec) Yes ( 2 or 12 seconds)
Time lapse shooting
Type of storage SD/SDHC SD/SDHC/SDXC
Card slots 2 1
Launch pricing $4,000 $610