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Pentax 645D vs Pentax VS20

Portability
50
Imaging
75
Features
52
Overall
65
Pentax 645D front
 
Pentax Optio VS20 front
Portability
90
Imaging
39
Features
35
Overall
37

Pentax 645D vs Pentax VS20 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
  • Introduced March 2010
  • Refreshed by Pentax 645Z
Pentax VS20
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 100 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 28-560mm (F3.1-4.8) lens
  • 235g - 111 x 61 x 38mm
  • Announced January 2012
Photography Glossary

Pentax 645D vs Pentax VS20 Overview

The following is a in depth overview of the Pentax 645D vs Pentax VS20, former is a Pro DSLR while the other is a Small Sensor Superzoom and both are designed by Pentax. There exists a substantial gap among the resolutions of the 645D (40MP) and VS20 (16MP) and the 645D (Medium format) and VS20 (1/2.3") boast totally different sensor size.

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The 645D was manufactured 22 months before the VS20 making them a generation away from one another. Each of the cameras feature different body design with the Pentax 645D being a Large SLR camera and the Pentax VS20 being a Compact camera.

Before going straight to a complete comparison, here is a concise summation of how the 645D scores against the VS20 with respect to portability, imaging, features and an overall mark.

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Reasons to pick Pentax 645D over the Pentax VS20

 645D VS20 
Display resolution921k460kSharper display (+461k dot)

Reasons to pick Pentax VS20 over the Pentax 645D

 VS20 645D 
AnnouncedJanuary 2012March 2010Newer by 22 months

Common features in the Pentax 645D and Pentax VS20

 645D VS20 
Manual focus More accurate focusing
Display typeFixed Fixed Fixed display
Display size3"3"Same display size
Selfie screen Neither provides selfie screen
Touch display Neither provides Touch display

Pentax 645D vs Pentax VS20 Physical Comparison

For anyone who is looking to travel with your camera frequently, you'll need to think about its weight and proportions. The Pentax 645D provides outside dimensions of 156mm x 117mm x 119mm (6.1" x 4.6" x 4.7") and a weight of 1480 grams (3.26 lbs) whilst the Pentax VS20 has measurements of 111mm x 61mm x 38mm (4.4" x 2.4" x 1.5") having a weight of 235 grams (0.52 lbs).

Check out the Pentax 645D vs Pentax VS20 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Don't forget, the weight of an ILC will vary based on the lens you are employing during that time. Below is a front view size comparison of the 645D vs the VS20.

Pentax 645D vs Pentax VS20 size comparison

Taking into consideration dimensions and weight, the portability grade of the 645D and VS20 is 50 and 90 respectively.

Pentax 645D vs Pentax VS20 top view buttons comparison

Pentax 645D vs Pentax VS20 Sensor Comparison

Sometimes, it's tough to envision the contrast in sensor dimensions merely by seeing technical specs. The picture here might offer you a more clear sense of the sensor sizes in the 645D and VS20.

As you have seen, each of the cameras come with different resolutions and different sensor dimensions. The 645D because of its larger sensor will make getting shallower depth of field easier and the Pentax 645D will produce more detail due to its extra 24 Megapixels. Greater resolution will let you crop photos a good deal more aggressively. The more aged 645D will be behind in sensor tech.

Pentax 645D vs Pentax VS20 sensor size comparison

Pentax 645D vs Pentax VS20 Screen and ViewFinder

Pentax 645D vs Pentax VS20 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax 645D Portrait photography highlights
Pentax VS20 Portrait photography highlights
77
manual focus
excellent megapixels (40 megapixels)
sensor size is big (Medium format)
delivers RAW formats
doesn't have liveview
36
you can focus manually
sensor resolution is decent (16MP)
manual exposure not available
can't use external flash
very small sensor (1/2.3")
has no RAW support
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Street Comparison

Pentax 645D as a Street photography camera
Pentax VS20 as a Street photography camera
58
sensor size is big (Medium format)
delivers RAW formats
environment proofing
fixed screen
does not have image stabilization
61
has image stabilization (Sensor-shift)
lighter than average (235g)
screen does not articulate
very small sensor (1/2.3")
has no RAW support
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Sports Comparison

Pentax 645D Sports photography details
Pentax VS20 Sports photography details
62
excellent megapixels (40 megapixels)
sensor size is big (Medium format)
environment proofing
has phase detect autofocus
doesn't have liveview
continuous shooting slow (1.0 frames/s)
does not have image stabilization
not so great battery life (800 shots)
44
great zoom range (28-560mm 20.0 x zoom)
has image stabilization (Sensor-shift)
sensor resolution is decent (16 megapixels)
has tracking focus
continuous shooting slow (1.0 frames per second)
lack of shutter priority mode
very small sensor (1/2.3")
has no phase detect AF
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Travel Comparison

Travel photography with Pentax 645D
Travel photography with Pentax VS20
55
environment proofing
excellent megapixels (40 megapixels)
not so great battery life (800 shots)
does not have selfie friendly screen
68
lighter than average (235g)
sensor resolution is decent (16MP)
has built in flash
pretty wide (28mm)
long reach (560mm)
does not have Time Lapse function
screen is not selfie friendly
somewhat slow maximum aperture (f3.1)
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Landscape Comparison

Pentax 645D as a Landscape photography camera
Pentax VS20 as a Landscape photography camera
72
manual focus
swap lenses (Pentax 645AF2 mount)
decent sized screen (3 inch)
excellent megapixels (40MP)
sensor size is big (Medium format)
no anti-alias filter
delivers RAW formats
environment proofing
has double storage slots
doesn't have liveview
does not have image stabilization
not so great battery life (800 CIPA)
47
you can focus manually
pretty wide (28mm)
screen size is decent (3")
has image stabilization (Sensor-shift)
sensor resolution is decent (16 megapixels)
lens is fixed (fixed lens mount)
somewhat slow maximum aperture (f3.1)
manual exposure not available
very small sensor (1/2.3")
has no RAW support
does not have Time Lapse function
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Vlogging Comparison

Pentax 645D Vlogging advice
Pentax VS20 Vlogging advice
9
can't shoot video
30
pretty wide (28mm)
has image stabilization (Sensor-shift)
lighter than average (235 grams)
somewhat slow maximum aperture (f3.1)
screen is not selfie friendly
low quality video (1280 x 720 pixels)
does not have mic socket
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Pentax 645D vs Pentax VS20 Specifications

Detailed spec comparison table for Pentax 645D and Pentax VS20
 Pentax 645DPentax Optio VS20
General Information
Brand Pentax Pentax
Model type Pentax 645D Pentax Optio VS20
Category Pro DSLR Small Sensor Superzoom
Introduced 2010-03-10 2012-01-25
Physical type Large SLR Compact
Sensor Information
Processor Prime II -
Sensor type CCD CCD
Sensor size Medium format 1/2.3"
Sensor dimensions 44 x 33mm 6.08 x 4.56mm
Sensor area 1,452.0mm² 27.7mm²
Sensor resolution 40MP 16MP
Anti alias filter
Aspect ratio 4:3 1:1, 4:3 and 16:9
Maximum resolution 7264 x 5440 4608 x 3456
Maximum native ISO 1600 6400
Minimum native ISO 200 100
RAW photos
Minimum boosted ISO 100 -
Autofocusing
Focus manually
AF touch
AF continuous
Single AF
AF tracking
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 11 3
Lens
Lens support Pentax 645AF2 fixed lens
Lens zoom range - 28-560mm (20.0x)
Largest aperture - f/3.1-4.8
Macro focusing distance - 3cm
Available lenses 6 -
Focal length multiplier 0.8 5.9
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 3 inches 3 inches
Resolution of screen 921k dots 460k dots
Selfie friendly
Liveview
Touch screen
Screen technology TFT Color LCD with wide-viewing angle and with AR coating TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder Optical (pentaprism) None
Viewfinder coverage 98 percent -
Viewfinder magnification 0.85x -
Features
Lowest shutter speed 30 secs 4 secs
Highest shutter speed 1/4000 secs 1/2500 secs
Continuous shooting rate 1.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Custom WB
Image stabilization
Integrated flash
Flash distance no built-in flash 2.80 m
Flash settings Auto, On, Off, Red-eye, Slow Sync, Rear Curtain Auto, On, Off, Red-eye, Soft
External flash
Auto exposure bracketing
WB bracketing
Highest flash synchronize 1/125 secs -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions - 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Maximum video resolution None 1280x720
Video format - Motion JPEG
Mic port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1480 gr (3.26 lb) 235 gr (0.52 lb)
Physical dimensions 156 x 117 x 119mm (6.1" x 4.6" x 4.7") 111 x 61 x 38mm (4.4" x 2.4" x 1.5")
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 -
Type of battery Battery Pack -
Battery ID D-LI90 D-LI122
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC SD/SDHC/SDXC, Internal
Card slots 2 Single
Launch price $4,000 $106