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Pentax K100D vs Pentax Q-S1

Portability
64
Imaging
45
Features
36
Overall
41
Pentax K100D front
 
Pentax Q-S1 front
Portability
92
Imaging
38
Features
54
Overall
44

Pentax K100D vs Pentax Q-S1 Key Specs

Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Revealed December 2006
  • Renewed by Pentax K100D S
Pentax Q-S1
(Full Review)
  • 12MP - 1/1.7" Sensor
  • 3" Fixed Display
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax Q Mount
  • 203g - 105 x 58 x 34mm
  • Launched August 2014
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Pentax K100D vs Pentax Q-S1 Overview

Its time to take a closer look at the Pentax K100D vs Pentax Q-S1, former is a Entry-Level DSLR while the other is a Entry-Level Mirrorless and both of them are built by Pentax. There exists a considerable gap among the sensor resolutions of the K100D (6MP) and Q-S1 (12MP) and the K100D (APS-C) and Q-S1 (1/1.7") posses totally different sensor measurements.

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The K100D was announced 8 years before the Q-S1 which is a fairly large difference as far as camera technology is concerned. Both of these cameras feature different body design with the Pentax K100D being a Compact SLR camera and the Pentax Q-S1 being a Rangefinder-style mirrorless camera.

Before diving straight to a in depth comparison, here is a concise summation of how the K100D grades vs the Q-S1 with regard to portability, imaging, features and an overall mark.

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Reasons to pick Pentax K100D over the Pentax Q-S1

 K100D Q-S1 

Reasons to pick Pentax Q-S1 over the Pentax K100D

 Q-S1 K100D 
LaunchedAugust 2014December 2006Newer by 93 months
Display size3"2.5"Larger display (+0.5")
Display resolution460k210kCrisper display (+250k dot)

Common features in the Pentax K100D and Pentax Q-S1

 K100D Q-S1 
Focus manually Dial precise focus
Display typeFixed Fixed Fixed display
Selfie screen Neither has selfie screen
Touch display Neither has Touch display

Pentax K100D vs Pentax Q-S1 Physical Comparison

For those who are going to travel with your camera frequently, you will want to think about its weight and volume. The Pentax K100D has outside dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") accompanied by a weight of 660 grams (1.46 lbs) and the Pentax Q-S1 has sizing of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") and a weight of 203 grams (0.45 lbs).

See the Pentax K100D vs Pentax Q-S1 in our newest Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ dependant on the lens you are employing at the time. Underneath is a front view measurements comparison of the K100D vs the Q-S1.

Pentax K100D vs Pentax Q-S1 size comparison

Considering dimensions and weight, the portability grade of the K100D and Q-S1 is 64 and 92 respectively.

Pentax K100D vs Pentax Q-S1 top view buttons comparison

Pentax K100D vs Pentax Q-S1 Sensor Comparison

Typically, its tough to see the gap in sensor dimensions just by researching specifications. The pic below will offer you a clearer sense of the sensor dimensions in the K100D and Q-S1.

To sum up, the two cameras feature different megapixels and different sensor dimensions. The K100D using its larger sensor will make getting shallower DOF less difficult and the Pentax Q-S1 will result in greater detail with its extra 6 Megapixels. Greater resolution will make it easier to crop photos way more aggressively. The more aged K100D will be disadvantaged in sensor technology.

Pentax K100D vs Pentax Q-S1 sensor size comparison

Pentax K100D vs Pentax Q-S1 Screen and ViewFinder

Pentax K100D vs Pentax Q-S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K100D as a Portrait photography camera
Pentax Q-S1 as a Portrait photography camera
51
has manual focus
sensor size is good (APS-C)
saves RAW formats
no liveview
low megapixels (6 megapixels)
46
you can focus manually
has face detect autofocus
supports RAW files
low MP (12MP)
small sensor size (1/1.7")
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Street Comparison

Pentax K100D Street photography factors
Pentax Q-S1 Street photography factors
58
built in image stabilization (Sensor based)
sensor size is good (APS-C)
saves RAW formats
screen does not articulate
more heavy than competitors in class (660g)
69
has image stabilization (Sensor based)
supports RAW files
lighter than others in class (203 grams)
screen is fixed
small sensor size (1/1.7")
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Sports Comparison

Pentax K100D as a Sports photography camera
Pentax Q-S1 as a Sports photography camera
47
built in image stabilization (Sensor based)
sensor size is good (APS-C)
has phase detect autofocus
no liveview
max fps very slow (3.0 fps)
low megapixels (6MP)
37
max shutter speed is good (1/8,000 seconds)
has image stabilization (Sensor based)
has tracking focus
continuous shooting slow (5.0 frames/s)
low MP (12MP)
small sensor size (1/1.7")
terrible battery pack (250 shots)
lacks phase detect autofocus
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Travel Comparison

Pentax K100D Travel photography information
Pentax Q-S1 Travel photography information
42
flash built-in
does not have Timelapse function
more heavy than competitors in class (660g)
low megapixels (6MP)
display is not selfie friendly
60
lighter than others in class (203 grams)
has built in flash
terrible battery pack (250 per charge)
low MP (12 megapixels)
screen isn't selfie friendly
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Landscape Comparison

Landscape photography with Pentax K100D
Landscape photography with Pentax Q-S1
52
has manual focus
interchangeable lenses (Pentax KAF mount)
built in image stabilization (Sensor based)
sensor size is good (APS-C)
saves RAW formats
screen is somewhat small (2.5 inches)
no liveview
low megapixels (6 megapixels)
does not have Timelapse function
55
you can focus manually
swap lenses (Pentax Q mount)
screen size is decent (3 inches)
has image stabilization (Sensor based)
supports RAW files
low MP (12MP)
small sensor size (1/1.7")
terrible battery pack (250 shots)
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Vlogging Comparison

Pentax K100D Vlogging details
Pentax Q-S1 Vlogging details
9
no video shooting
35
has image stabilization (Sensor based)
has face detect autofocus
video resolution high (1920 x 1080 resolution)
lighter than others in class (203g)
screen isn't selfie friendly
lack of microphone port
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Pentax K100D vs Pentax Q-S1 Specifications

Detailed spec comparison table for Pentax K100D and Pentax Q-S1
 Pentax K100DPentax Q-S1
General Information
Brand Name Pentax Pentax
Model Pentax K100D Pentax Q-S1
Type Entry-Level DSLR Entry-Level Mirrorless
Revealed 2006-12-03 2014-08-04
Body design Compact SLR Rangefinder-style mirrorless
Sensor Information
Processor Chip - Q Engine
Sensor type CCD BSI-CMOS
Sensor size APS-C 1/1.7"
Sensor measurements 23.5 x 15.7mm 7.44 x 5.58mm
Sensor surface area 369.0mm² 41.5mm²
Sensor resolution 6MP 12MP
Anti aliasing filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Max resolution 3008 x 2008 4000 x 3000
Max native ISO 3200 12800
Minimum native ISO 200 100
RAW images
Autofocusing
Focus manually
Touch to focus
Continuous autofocus
Single autofocus
Autofocus tracking
Autofocus selectice
Center weighted autofocus
Autofocus multi area
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Number of focus points 11 -
Lens
Lens mount Pentax KAF Pentax Q
Total lenses 151 8
Focal length multiplier 1.5 4.8
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 2.5 inches 3 inches
Resolution of screen 210 thousand dot 460 thousand dot
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Min shutter speed 30s 30s
Max shutter speed 1/4000s 1/8000s
Continuous shutter speed 3.0 frames per sec 5.0 frames per sec
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range - 4.90 m (at ISO 100)
Flash settings Auto, On, Off, Red-eye reduction Auto, redeye reduction, slow sync, trailing curtain sync
External flash
AE bracketing
WB bracketing
Max flash sync 1/180s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions - 1920 x 1080 (30,25, 24p), 1280 x 720 (30, 25, 24p), 640 x 480 (30, 25, 24p)
Max video resolution None 1920x1080
Video data format - MPEG-4, H.264
Microphone jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 660g (1.46 lb) 203g (0.45 lb)
Physical dimensions 129 x 93 x 70mm (5.1" x 3.7" x 2.8") 105 x 58 x 34mm (4.1" x 2.3" x 1.3")
DXO scores
DXO Overall score not tested not tested
DXO Color Depth score not tested not tested
DXO Dynamic range score not tested not tested
DXO Low light score not tested not tested
Other
Battery life - 250 images
Battery form - Battery Pack
Battery model 4 x AA D-LI68
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse feature
Type of storage SD/MMC card SD/SDHC/SDXC card
Storage slots 1 1
Launch cost $0 $250