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Pentax 645D vs Sony HX100V

Portability
50
Imaging
75
Features
52
Overall
65
Pentax 645D front
 
Sony Cyber-shot DSC-HX100V front
Portability
66
Imaging
39
Features
50
Overall
43

Pentax 645D vs Sony HX100V 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
Sony HX100V
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Tilting Display
  • ISO 100 - 3200
  • Optical Image Stabilization
  • 1920 x 1080 video
  • 27-810mm (F2.8-5.6) lens
  • 577g - 122 x 87 x 93mm
  • Introduced October 2011
  • Newer Model is Sony HX200V
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Pentax 645D vs Sony HX100V Overview

Its time to examine more in depth at the Pentax 645D versus Sony HX100V, one is a Pro DSLR and the other is a Small Sensor Superzoom by rivals Pentax and Sony. There is a big difference among the sensor resolutions of the 645D (40MP) and HX100V (16MP) and the 645D (Medium format) and HX100V (1/2.3") feature different sensor sizes.

Photography Glossary

The 645D was launched 19 months earlier than the HX100V making the cameras a generation away from each other. Both of the cameras come with different body type with the Pentax 645D being a Large SLR camera and the Sony HX100V being a SLR-like (bridge) camera.

Before getting in to a more detailed comparison, below is a brief synopsis of how the 645D grades vs the HX100V with regard to portability, imaging, features and an overall mark.

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Reasons to pick Pentax 645D over the Sony HX100V

 645D HX100V 

Reasons to pick Sony HX100V over the Pentax 645D

 HX100V 645D 
IntroducedOctober 2011March 2010Newer by 19 months
Display typeTiltingFixed Tilting display

Common features in the Pentax 645D and Sony HX100V

 645D HX100V 
Manually focus More accurate focusing
Display dimension3"3"Identical display dimensions
Display resolution921k921kSame display resolution
Selfie screen Lack of selfie screen
Touch display Lack of Touch display

Pentax 645D vs Sony HX100V Physical Comparison

If you're aiming to travel with your camera often, you will have to consider its weight and dimensions. The Pentax 645D features physical measurements of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") having a weight of 1480 grams (3.26 lbs) while the Sony HX100V has dimensions of 122mm x 87mm x 93mm (4.8" x 3.4" x 3.7") along with a weight of 577 grams (1.27 lbs).

Take a look at the Pentax 645D versus Sony HX100V in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Bear in mind, the weight of an Interchangeable Lens Camera will differ depending on the lens you are utilizing at the time. Following is the front view dimensions comparison of the 645D compared to the HX100V.

Pentax 645D vs Sony HX100V size comparison

Taking into account size and weight, the portability rating of the 645D and HX100V is 50 and 66 respectively.

Pentax 645D vs Sony HX100V top view buttons comparison

Pentax 645D vs Sony HX100V Sensor Comparison

In many cases, it can be difficult to imagine the difference in sensor dimensions purely by seeing technical specs. The picture here might offer you a far better sense of the sensor measurements in the 645D and HX100V.

As you can tell, each of the cameras posses different resolutions and different sensor dimensions. The 645D because of its larger sensor is going to make shooting shallow depth of field simpler and the Pentax 645D will produce greater detail utilizing its extra 24MP. Greater resolution will also enable you to crop photos somewhat more aggressively. The more aged 645D will be behind when it comes to sensor innovation.

Pentax 645D vs Sony HX100V sensor size comparison

Pentax 645D vs Sony HX100V Screen and ViewFinder

Pentax 645D vs Sony HX100V Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax 645D Portrait photography highlights
Sony HX100V Portrait photography highlights
77
you can focus manually
resolution is high (40 megapixels)
sensor size is big (Medium format)
exports RAW files
does not have liveview
39
focusing manually
MP count decent (16 megapixels)
cannot use external flash
sensor size is small (1/2.3")
has no RAW format
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Street Comparison

Pentax 645D Street photography info
Sony HX100V Street photography info
58
sensor size is big (Medium format)
exports RAW files
weather proofing
no articulating screen
does not have image stabilization
50
screen tilts
image stabilization (Optical)
sensor size is small (1/2.3")
has no RAW format
heavier than competition in class (577g)
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Sports Comparison

Pentax 645D as a Sports photography camera
Sony HX100V as a Sports photography camera
62
resolution is high (40 megapixels)
sensor size is big (Medium format)
weather proofing
supports phase detect AF
does not have liveview
slow frames per second (1.0 frames per second)
does not have image stabilization
terrible battery power (800 shots)
49
great zoom range (27-810mm 30.0 x zoom)
image stabilization (Optical)
MP count decent (16 megapixels)
sensor size is small (1/2.3")
has no phase detect autofocus
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Travel Comparison

Pentax 645D as a Travel photography camera
Sony HX100V as a Travel photography camera
55
weather proofing
resolution is high (40MP)
terrible battery power (800 per charge)
display isn't selfie friendly
54
MP count decent (16MP)
flash built-in
rather wide (27mm)
long reach (810mm)
no Time Lapse mode
heavier than competition in class (577 grams)
screen is not selfie friendly
somewhat slow max aperture (f2.8)
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Landscape Comparison

Pentax 645D Landscape photography features
Sony HX100V Landscape photography features
72
you can focus manually
interchangeable lenses (Pentax 645AF2 mount)
good sized screen (3")
resolution is high (40 megapixels)
sensor size is big (Medium format)
does not have anti-alias filter
exports RAW files
weather proofing
has double storage slots
does not have liveview
does not have image stabilization
terrible battery power (800 CIPA)
47
focusing manually
rather wide (27mm)
nice screen size (3 inch)
image stabilization (Optical)
MP count decent (16 megapixels)
lens is fixed (fixed lens mount)
somewhat slow max aperture (f2.8)
sensor size is small (1/2.3")
has no RAW format
no Time Lapse mode
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Vlogging Comparison

Pentax 645D Vlogging highlights
Sony HX100V Vlogging highlights
9
no video
25
rather wide (27mm)
image stabilization (Optical)
high video quality (1920 x 1080 pxls)
somewhat slow max aperture (f2.8)
screen is not selfie friendly
no external mic jack
heavier than competition in class (577 grams)
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Pentax 645D vs Sony HX100V Specifications

Detailed spec comparison table for Pentax 645D and Sony HX100V
 Pentax 645DSony Cyber-shot DSC-HX100V
General Information
Brand Name Pentax Sony
Model type Pentax 645D Sony Cyber-shot DSC-HX100V
Category Pro DSLR Small Sensor Superzoom
Launched 2010-03-10 2011-10-21
Body design Large SLR SLR-like (bridge)
Sensor Information
Powered by Prime II BIONZ
Sensor type CCD BSI-CMOS
Sensor size Medium format 1/2.3"
Sensor dimensions 44 x 33mm 6.17 x 4.55mm
Sensor surface area 1,452.0mm² 28.1mm²
Sensor resolution 40MP 16MP
Anti alias filter
Aspect ratio 4:3 4:3 and 16:9
Maximum resolution 7264 x 5440 4608 x 3456
Maximum native ISO 1600 3200
Min native ISO 200 100
RAW photos
Min boosted ISO 100 -
Autofocusing
Manual focusing
AF touch
Continuous AF
AF single
Tracking AF
AF selectice
Center weighted AF
AF multi area
Live view AF
Face detection AF
Contract detection AF
Phase detection AF
Total focus points 11 9
Lens
Lens mount type Pentax 645AF2 fixed lens
Lens zoom range - 27-810mm (30.0x)
Largest aperture - f/2.8-5.6
Number of lenses 6 -
Crop factor 0.8 5.8
Screen
Range of screen Fixed Type Tilting
Screen size 3" 3"
Screen resolution 921k dot 921k dot
Selfie friendly
Liveview
Touch function
Screen technology TFT Color LCD with wide-viewing angle and with AR coating XtraFine LCD display with TruBlack technology
Viewfinder Information
Viewfinder type Optical (pentaprism) Electronic
Viewfinder coverage 98 percent -
Viewfinder magnification 0.85x -
Features
Lowest shutter speed 30 secs 30 secs
Highest shutter speed 1/4000 secs 1/4000 secs
Continuous shooting speed 1.0 frames per sec 10.0 frames per sec
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Built-in flash
Flash distance no built-in flash 12.70 m
Flash modes Auto, On, Off, Red-eye, Slow Sync, Rear Curtain Auto, On, Off, Slow Sync
Hot shoe
AE bracketing
White balance bracketing
Highest flash sync 1/125 secs -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions - 1920 x 1080 (60fps), 1440 x 1080 (30fps), 1280 x 720 (30fps), 640 x 480 (30fps)
Maximum video resolution None 1920x1080
Video file format - MPEG-4, AVCHD
Mic input
Headphone input
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None BuiltIn
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1480 gr (3.26 lb) 577 gr (1.27 lb)
Dimensions 156 x 117 x 119mm (6.1" x 4.6" x 4.7") 122 x 87 x 93mm (4.8" x 3.4" x 3.7")
DXO scores
DXO All around rating 82 not tested
DXO Color Depth rating 24.6 not tested
DXO Dynamic range rating 12.6 not tested
DXO Low light rating 1262 not tested
Other
Battery life 800 images -
Battery format Battery Pack -
Battery ID D-LI90 NP-FH50
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, Portrait 1/2)
Time lapse shooting
Storage media SD/SDHC SD/SDHC/SDXC/Memory Stick Duo/Memory Stick Pro Duo, Memory Stick Pro-HG Duo
Storage slots Two 1
Pricing at launch $4,000 $429