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Pentax 645D vs Sony A6300

Portability
50
Imaging
76
Features
52
Overall
66
Pentax 645D front
 
Sony Alpha a6300 front
Portability
83
Imaging
67
Features
82
Overall
73

Pentax 645D vs Sony A6300 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
  • Released March 2010
  • Replacement is Pentax 645Z
Sony A6300
(Full Review)
  • 24MP - APS-C Sensor
  • 3" Tilting Screen
  • ISO 100 - 25600 (Bump to 51200)
  • 3840 x 2160 video
  • Sony E Mount
  • 404g - 120 x 67 x 49mm
  • Released February 2016
  • Previous Model is Sony A6000
  • Refreshed by Sony A6500
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Pentax 645D vs Sony A6300 Overview

On this page, we will be matching up the Pentax 645D vs Sony A6300, former is a Pro DSLR while the latter is a Advanced Mirrorless by rivals Pentax and Sony. There is a sizable difference among the image resolutions of the 645D (40MP) and A6300 (24MP) and the 645D (Medium format) and A6300 (APS-C) provide totally different sensor sizes.

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The 645D was introduced 6 years earlier than the A6300 which is a fairly significant difference as far as camera tech is concerned. Each of these cameras have different body design with the Pentax 645D being a Large SLR camera and the Sony A6300 being a Rangefinder-style mirrorless camera.

Before going into a in depth comparison, here is a brief summary of how the 645D grades vs the A6300 in relation to portability, imaging, features and an overall mark.

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Reasons to pick Pentax 645D over the Sony A6300

 645D A6300 

Reasons to pick Sony A6300 over the Pentax 645D

 A6300 645D 
ReleasedFebruary 2016March 2010Newer by 71 months
Screen typeTiltingFixed Tilting screen
Screen resolution922k921kSharper screen (+1k dot)

Common features in the Pentax 645D and Sony A6300

 645D A6300 
Manually focus Dial accurate focus
Screen dimensions3"3"Equal screen dimensions
Selfie screen Neither features selfie screen
Touch screen No Touch screen

Pentax 645D vs Sony A6300 Physical Comparison

For anyone who is planning to travel with your camera regularly, you should factor in its weight and dimensions. The Pentax 645D enjoys outer dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") with a weight of 1480 grams (3.26 lbs) whilst the Sony A6300 has dimensions of 120mm x 67mm x 49mm (4.7" x 2.6" x 1.9") with a weight of 404 grams (0.89 lbs).

Compare the Pentax 645D vs Sony A6300 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Always remember, the weight of an ILC will differ depending on the lens you are utilizing at that time. Underneath is a front view dimension comparison of the 645D vs the A6300.

Pentax 645D vs Sony A6300 size comparison

Using size and weight, the portability rating of the 645D and A6300 is 50 and 83 respectively.

Pentax 645D vs Sony A6300 top view buttons comparison

Pentax 645D vs Sony A6300 Sensor Comparison

Generally, it is difficult to visualise the contrast in sensor dimensions merely by going through specifications. The image below might provide you a far better sense of the sensor dimensions in the 645D and A6300.

To sum up, both of the cameras have different megapixel count and different sensor dimensions. The 645D using its bigger sensor will make getting shallow DOF easier and the Pentax 645D will provide extra detail using its extra 16MP. Higher resolution can also help you crop photographs a bit more aggressively. The more aged 645D will be behind in sensor technology.

Pentax 645D vs Sony A6300 sensor size comparison

Pentax 645D vs Sony A6300 Screen and ViewFinder

Pentax 645D vs Sony A6300 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax 645D
Portrait photography with Sony A6300
77
focusing manually
megapixel count amazing (40MP)
large sensor size (Medium format)
exports RAW files
no liveview feature
80
you can focus manually
decent MP (24MP)
sensor size is good (APS-C)
comes with face detection focus
delivers RAW files
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Street Comparison

Pentax 645D Street photography info
Sony A6300 Street photography info
58
large sensor size (Medium format)
exports RAW files
environment proofing
no articulating screen
lack of image stabilization
79
screen tilts up and down
sensor size is good (APS-C)
delivers RAW files
environment proof
great ISO range (25,600)
no image stabilization
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Sports Comparison

Pentax 645D Sports photography advice
Sony A6300 Sports photography advice
63
megapixel count amazing (40 megapixels)
large sensor size (Medium format)
environment proofing
has phase detect auto focus
no liveview feature
very slow continuous shooting (1.0 frames per second)
lack of image stabilization
bad battery power (800 per charge)
75
decent MP (24MP)
sensor size is good (APS-C)
comes with tracking autofocus
environment proof
sensor has phase detect auto focus
no image stabilization
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Travel Comparison

Pentax 645D as a Travel photography camera
Sony A6300 as a Travel photography camera
55
environment proofing
megapixel count amazing (40MP)
bad battery power (800 shots)
display isn't selfie friendly
76
environment proof
decent MP (24 megapixels)
built-in flash
does not have a selfie friendly screen
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Landscape Comparison

Landscape photography with Pentax 645D
Landscape photography with Sony A6300
72
focusing manually
switch lenses (Pentax 645AF2 mount)
screen size is good (3 inch)
megapixel count amazing (40 megapixels)
large sensor size (Medium format)
doesnt have low pass filter
exports RAW files
environment proofing
has double storage slots
no liveview feature
lack of image stabilization
bad battery power (800 per charge)
79
you can focus manually
swap lenses (Sony E mount)
screen is a decent size (3 inches)
decent MP (24 megapixels)
sensor size is good (APS-C)
great ISO range (25,600)
delivers RAW files
environment proof
no image stabilization
Photography Glossary

Vlogging Comparison

Pentax 645D Vlogging features
Sony A6300 Vlogging features
9
lack of video recording
35
comes with face detection focus
video res high (3840 x 2160 pixels)
includes external microphone support
does not have a selfie friendly screen
no image stabilization
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Pentax 645D vs Sony A6300 Specifications

Detailed spec comparison table for Pentax 645D and Sony A6300
 Pentax 645DSony Alpha a6300
General Information
Company Pentax Sony
Model Pentax 645D Sony Alpha a6300
Category Pro DSLR Advanced Mirrorless
Released 2010-03-10 2016-02-03
Physical type Large SLR Rangefinder-style mirrorless
Sensor Information
Chip Prime II BIONZ X
Sensor type CCD CMOS
Sensor size Medium format APS-C
Sensor measurements 44 x 33mm 23.5 x 15.6mm
Sensor area 1,452.0mm² 366.6mm²
Sensor resolution 40 megapixel 24 megapixel
Anti aliasing filter
Aspect ratio 4:3 3:2 and 16:9
Max resolution 7264 x 5440 6000 x 4000
Max native ISO 1600 25600
Max enhanced ISO - 51200
Minimum native ISO 200 100
RAW photos
Minimum enhanced ISO 100 -
Autofocusing
Manual focus
Touch to focus
AF continuous
AF single
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection AF
Contract detection AF
Phase detection AF
Number of focus points 11 425
Lens
Lens mounting type Pentax 645AF2 Sony E
Amount of lenses 6 121
Focal length multiplier 0.8 1.5
Screen
Screen type Fixed Type Tilting
Screen sizing 3 inches 3 inches
Screen resolution 921 thousand dots 922 thousand dots
Selfie friendly
Liveview
Touch capability
Screen tech TFT Color LCD with wide-viewing angle and with AR coating -
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder resolution - 2,359 thousand dots
Viewfinder coverage 98% 100%
Viewfinder magnification 0.85x 0.7x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shutter rate 1.0 frames/s 11.0 frames/s
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash range no built-in flash 6.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-eye, Slow Sync, Rear Curtain Flash off, Autoflash, Fill-flash, Rear Sync., Slow Sync., Red-eye reduction, Hi-speed sync, Wireless
External flash
AEB
WB bracketing
Fastest flash synchronize 1/125 seconds -
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 4K (3840 x 2160 @ 30p/24p), 1920 x 1080 (120p, 60p, 60i, 30p, 24p), 1280 x 720 (24p)
Max video resolution None 3840x2160
Video file format - MPEG-4, AVCHD, XAVC S, H.264
Microphone support
Headphone support
Connectivity
Wireless None Built-In
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 1480 grams (3.26 lbs) 404 grams (0.89 lbs)
Physical dimensions 156 x 117 x 119mm (6.1" x 4.6" x 4.7") 120 x 67 x 49mm (4.7" x 2.6" x 1.9")
DXO scores
DXO Overall score 82 85
DXO Color Depth score 24.6 24.4
DXO Dynamic range score 12.6 13.7
DXO Low light score 1262 1437
Other
Battery life 800 pictures 400 pictures
Battery style Battery Pack Battery Pack
Battery model D-LI90 NP-FW50
Self timer Yes (2 or 10 sec) Yes
Time lapse shooting With downloadable app
Type of storage SD/SDHC SD/SDHC/SDXC
Card slots Two 1
Launch price $4,000 $889