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Panasonic S1 vs Pentax K20D

Portability
54
Imaging
75
Features
84
Overall
78
Panasonic Lumix DC-S1 front
 
Pentax K20D front
Portability
59
Imaging
53
Features
52
Overall
52

Panasonic S1 vs Pentax K20D Key Specs

Panasonic S1
(Full Review)
  • 24MP - Full frame Sensor
  • 3.2" Tilting Screen
  • ISO 100 - 51200 (Boost to 204800)
  • Sensor based 5-axis Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 3840 x 2160 video
  • Leica L Mount
  • 1021g - 149 x 110 x 97mm
  • Announced February 2019
Pentax K20D
(Full Review)
  • 15MP - APS-C Sensor
  • 2.7" Fixed Screen
  • ISO 100 - 3200 (Boost to 6400)
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 800g - 142 x 101 x 70mm
  • Revealed June 2008
  • Superseded the Pentax K10D
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Panasonic S1 vs Pentax K20D Overview

Here is a in-depth overview of the Panasonic S1 and Pentax K20D, former being a Pro Mirrorless while the latter is a Advanced DSLR by companies Panasonic and Pentax. There exists a sizable gap between the image resolutions of the S1 (24MP) and K20D (15MP) and the S1 (Full frame) and K20D (APS-C) provide totally different sensor sizing.

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The S1 was launched 10 years later than the K20D and that is quite a significant difference as far as technology is concerned. Each of these cameras feature different body design with the Panasonic S1 being a SLR-style mirrorless camera and the Pentax K20D being a Mid-size SLR camera.

Before delving right into a more detailed comparison, here is a simple highlight of how the S1 scores vs the K20D with regards to portability, imaging, features and an overall rating.

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Reasons to pick Panasonic S1 over the Pentax K20D

 S1 K20D 
RevealedFebruary 2019June 2008Fresher by 130 months
Screen typeTiltingFixed Tilting screen
Screen size3.2"2.7"Bigger screen (+0.5")
Screen resolution2100k230kSharper screen (+1870k dot)
Touch friendly screen Quickly navigate

Reasons to pick Pentax K20D over the Panasonic S1

 K20D S1 

Common features in the Panasonic S1 and Pentax K20D

 S1 K20D 
Manual focus Very precise focusing
Selfie screen Neither contains selfie screen

Panasonic S1 vs Pentax K20D Physical Comparison

In case you're aiming to carry your camera frequently, you will have to think about its weight and size. The Panasonic S1 has got outer measurements of 149mm x 110mm x 97mm (5.9" x 4.3" x 3.8") along with a weight of 1021 grams (2.25 lbs) and the Pentax K20D has specifications of 142mm x 101mm x 70mm (5.6" x 4.0" x 2.8") accompanied by a weight of 800 grams (1.76 lbs).

Check out the Panasonic S1 and Pentax K20D in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember that, the weight of an ILC will vary based on the lens you are employing during that time. Underneath is a front view over all size comparison of the S1 vs the K20D.

Panasonic S1 vs Pentax K20D size comparison

Taking into consideration dimensions and weight, the portability score of the S1 and K20D is 54 and 59 respectively.

Panasonic S1 vs Pentax K20D top view buttons comparison

Panasonic S1 vs Pentax K20D Sensor Comparison

More often than not, its hard to see the contrast between sensor sizing just by looking at specs. The visual underneath will provide you a greater sense of the sensor sizing in the S1 and K20D.

As you can plainly see, each of these cameras come with different megapixel count and different sensor sizing. The S1 featuring a bigger sensor will make shooting shallower depth of field simpler and the Panasonic S1 will give you extra detail utilizing its extra 9 Megapixels. Higher resolution can also allow you to crop shots a good deal more aggressively. The more recent S1 is going to have a benefit in sensor technology.

Panasonic S1 vs Pentax K20D sensor size comparison

Panasonic S1 vs Pentax K20D Screen and ViewFinder

Panasonic S1 vs Pentax K20D Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Portrait photography with Panasonic S1
Portrait photography with Pentax K20D
85
manual focus
above average flash sync (1/320s)
megapixel count decent (24MP)
sensor size is large (Full frame)
comes with face detection focusing
supports RAW formats
71
focusing manually
megapixel count decent (15 megapixels)
good sensor size (APS-C)
exports RAW formats
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Street Comparison

Panasonic S1 Street photography information
Pentax K20D Street photography information
70
screen tilts up and down
has image stabilization (Sensor based 5-axis)
sensor size is large (Full frame)
supports RAW formats
has touch to focus
weather proofing
good high ISO (51,200)
heavier than competitors in class (1,021 grams)
65
image stabilization (Sensor based)
good sensor size (APS-C)
exports RAW formats
weather proof
no moving screen
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Sports Comparison

Sports photography with Panasonic S1
Sports photography with Pentax K20D
76
high shutter speed (1/8,000 seconds)
silent shooting (1/8,000 seconds)
has image stabilization (Sensor based 5-axis)
megapixel count decent (24 megapixels)
sensor size is large (Full frame)
comes with tracking autofocus
weather proofing
terrible battery pack (380 CIPA)
no phase detect AF
68
image stabilization (Sensor based)
megapixel count decent (15MP)
good sensor size (APS-C)
weather proof
comes with phase detect auto focus
slow continuous shooting (3.0 frames per second)
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Travel Comparison

Panasonic S1 Travel photography factors
Pentax K20D Travel photography factors
59
weather proofing
supports bluetooth
has touch to focus
megapixel count decent (24 megapixels)
terrible battery pack (380 per charge)
heavier than competitors in class (1,021 grams)
screen is not selfie friendly
64
weather proof
megapixel count decent (15 megapixels)
flash built-in
doesn't feature selfie friendly screen
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Landscape Comparison

Panasonic S1 Landscape photography information
Pentax K20D Landscape photography information
81
manual focus
swap lenses (Leica L mount)
decent sized screen (3.2 inches)
has image stabilization (Sensor based 5-axis)
megapixel count decent (24MP)
sensor size is large (Full frame)
no anti aliasing filter
good high ISO (51,200)
supports RAW formats
weather proofing
has dual storage slots
terrible battery pack (380 shots)
70
focusing manually
change lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
megapixel count decent (15 megapixels)
good sensor size (APS-C)
exports RAW formats
weather proof
screen is small (2.7 inch)
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Vlogging Comparison

Panasonic S1 Vlogging factors
Pentax K20D Vlogging factors
32
touchscreen functionality
has image stabilization (Sensor based 5-axis)
comes with face detection focusing
good video quality (3840 x 2160 resolution)
has external mic jack
screen is not selfie friendly
heavier than competitors in class (1,021 grams)
9
no video shooting
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Panasonic S1 vs Pentax K20D Specifications

Detailed spec comparison table for Panasonic S1 and Pentax K20D
 Panasonic Lumix DC-S1Pentax K20D
General Information
Manufacturer Panasonic Pentax
Model type Panasonic Lumix DC-S1 Pentax K20D
Category Pro Mirrorless Advanced DSLR
Announced 2019-02-01 2008-06-25
Body design SLR-style mirrorless Mid-size SLR
Sensor Information
Processor Venus Engine -
Sensor type CMOS CMOS
Sensor size Full frame APS-C
Sensor dimensions 35.6 x 23.8mm 23.4 x 15.6mm
Sensor area 847.3mm² 365.0mm²
Sensor resolution 24MP 15MP
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 3:2
Maximum resolution 6000 x 4000 4672 x 3104
Maximum native ISO 51200 3200
Maximum boosted ISO 204800 6400
Min native ISO 100 100
RAW images
Min boosted ISO 50 -
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
Selective AF
AF center weighted
Multi area AF
AF live view
Face detection focusing
Contract detection focusing
Phase detection focusing
Total focus points 225 11
Lens
Lens mount type Leica L Pentax KAF2
Available lenses 30 151
Crop factor 1 1.5
Screen
Screen type Tilting Fixed Type
Screen size 3.2 inch 2.7 inch
Resolution of screen 2,100k dot 230k dot
Selfie friendly
Liveview
Touch capability
Viewfinder Information
Viewfinder Electronic Optical (pentaprism)
Viewfinder resolution 5,760k dot -
Viewfinder coverage 100 percent 95 percent
Viewfinder magnification 0.78x 0.64x
Features
Lowest shutter speed 60 secs 30 secs
Highest shutter speed 1/8000 secs 1/4000 secs
Highest silent shutter speed 1/8000 secs -
Continuous shooting speed 9.0 frames per second 3.0 frames per second
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom WB
Image stabilization
Inbuilt flash
Flash distance no built-in flash 13.00 m (at ISO 100)
Flash options Auto, Auto/Red-eye Reduction, Forced On, Forced On/Red-eye Reduction, Slow Sync, Slow Sync w/Red-eye Reduction, Forced Off Auto, Red-Eye, Slow, Red-Eye Slow, Rear curtain, wireless
External flash
AEB
WB bracketing
Highest flash sync 1/320 secs 1/180 secs
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 3840 x 2160 @ 60p / 150 Mbps, MP4, H.264, Linear PCM -
Maximum video resolution 3840x2160 None
Video file format MPEG-4, H.264, H.265 -
Mic jack
Headphone jack
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB Yes (can be charged with high-power laptop/tablet chargers or portable power banks) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 1021g (2.25 lb) 800g (1.76 lb)
Physical dimensions 149 x 110 x 97mm (5.9" x 4.3" x 3.8") 142 x 101 x 70mm (5.6" x 4.0" x 2.8")
DXO scores
DXO All around rating 95 65
DXO Color Depth rating 25.2 22.9
DXO Dynamic range rating 14.5 11.1
DXO Low light rating 3333 639
Other
Battery life 380 photographs -
Battery form Battery Pack -
Battery ID - D-LI50
Self timer Yes Yes (2 or 10 sec)
Time lapse recording
Type of storage - SD/MMC/SDHC card
Storage slots Dual One
Launch price $2,498 $700