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Pentax K100D S vs Pentax Q-S1

Portability
65
Imaging
45
Features
38
Overall
42
Pentax K100D Super front
 
Pentax Q-S1 front
Portability
92
Imaging
38
Features
54
Overall
44

Pentax K100D S vs Pentax Q-S1 Key Specs

Pentax K100D S
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF2 Mount
  • 646g - 129 x 91 x 71mm
  • Announced June 2007
  • Superseded the Pentax K100D
  • Successor is Pentax K200D
Pentax Q-S1
(Full Review)
  • 12MP - 1/1.7" Sensor
  • 3" Fixed Screen
  • ISO 100 - 12800
  • Sensor based Image Stabilization
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax Q Mount
  • 203g - 105 x 58 x 34mm
  • Introduced August 2014
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Pentax K100D S vs Pentax Q-S1 Overview

Here is a complete assessment of the Pentax K100D S versus Pentax Q-S1, former being a Entry-Level DSLR while the latter is a Entry-Level Mirrorless and both of them are offered by Pentax. There exists a substantial gap among the image resolutions of the K100D S (6MP) and Q-S1 (12MP) and the K100D S (APS-C) and Q-S1 (1/1.7") use different sensor sizing.

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The K100D S was brought out 8 years before the Q-S1 and that is a fairly big difference as far as camera technology is concerned. Both of the cameras offer different body type with the Pentax K100D S being a Compact SLR camera and the Pentax Q-S1 being a Rangefinder-style mirrorless camera.

Before diving in to a in depth comparison, below is a quick synopsis of how the K100D S scores against the Q-S1 with regards to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K100D S over the Pentax Q-S1

 K100D S Q-S1 

Reasons to pick Pentax Q-S1 over the Pentax K100D S

 Q-S1 K100D S 
IntroducedAugust 2014June 2007Fresher by 86 months
Screen sizing3"2.5"Bigger screen (+0.5")
Screen resolution460k210kClearer screen (+250k dot)

Common features in the Pentax K100D S and Pentax Q-S1

 K100D S Q-S1 
Manual focus Very accurate focusing
Screen typeFixed Fixed Fixed screen
Selfie screen Absent selfie screen
Touch friendly screen Absent Touch friendly screen

Pentax K100D S vs Pentax Q-S1 Physical Comparison

If you are going to carry your camera, you have to factor in its weight and size. The Pentax K100D S has got outside measurements of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") and a weight of 646 grams (1.42 lbs) and the Pentax Q-S1 has specifications of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") accompanied by a weight of 203 grams (0.45 lbs).

Compare the Pentax K100D S versus Pentax Q-S1 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will differ based on the lens you select at that time. Below is the front view overall size comparison of the K100D S against the Q-S1.

Pentax K100D S vs Pentax Q-S1 size comparison

Taking into consideration dimensions and weight, the portability grade of the K100D S and Q-S1 is 65 and 92 respectively.

Pentax K100D S vs Pentax Q-S1 top view buttons comparison

Pentax K100D S vs Pentax Q-S1 Sensor Comparison

Sometimes, it can be tough to picture the difference in sensor sizing merely by checking out a spec sheet. The visual here might offer you a far better sense of the sensor sizing in the K100D S and Q-S1.

Clearly, each of these cameras enjoy different resolutions and different sensor sizing. The K100D S due to its bigger sensor is going to make shooting shallow depth of field simpler and the Pentax Q-S1 will show greater detail having its extra 6MP. Higher resolution will help you crop photographs far more aggressively. The older K100D S will be disadvantaged when it comes to sensor technology.

Pentax K100D S vs Pentax Q-S1 sensor size comparison

Pentax K100D S vs Pentax Q-S1 Screen and ViewFinder

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

Portrait Comparison

Pentax K100D S as a Portrait photography camera
Pentax Q-S1 as a Portrait photography camera
51
manual focus
sensor size is nice (APS-C)
saves RAW formats
doesn't have liveview
megapixel count low (6MP)
46
you can focus manually
provides face detect focusing
supports RAW formats
low resolution sensor (12 megapixels)
sensor is small (1/1.7")
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Street Comparison

Pentax K100D S Street photography highlights
Pentax Q-S1 Street photography highlights
64
image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
fixed screen
69
built in image stabilization (Sensor based)
supports RAW formats
lighter than others in class (203g)
fixed screen
sensor is small (1/1.7")
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Sports Comparison

Pentax K100D S Sports photography advice
Pentax Q-S1 Sports photography advice
47
image stabilization (Sensor based)
sensor size is nice (APS-C)
has phase detect autofocus
doesn't have liveview
max fps very slow (3.0 frames/s)
megapixel count low (6 megapixels)
37
maximum shutter speed is high (1/8,000s)
built in image stabilization (Sensor based)
provides tracking focus
max fps very slow (5.0 frames per second)
low resolution sensor (12 megapixels)
sensor is small (1/1.7")
terrible battery pack (250 CIPA)
no phase detect AF
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Travel Comparison

Travel photography with Pentax K100D S
Travel photography with Pentax Q-S1
45
flash built-in
lack of Time Lapse function
megapixel count low (6MP)
doesn't have a selfie friendly display
60
lighter than others in class (203 grams)
flash built-in
terrible battery pack (250 per charge)
low resolution sensor (12MP)
does not posses selfie friendly screen
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Landscape Comparison

Landscape photography with Pentax K100D S
Landscape photography with Pentax Q-S1
52
manual focus
switch lenses (Pentax KAF2 mount)
image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
small screen (2.5")
doesn't have liveview
megapixel count low (6MP)
lack of Time Lapse function
55
you can focus manually
change lenses (Pentax Q mount)
decent sized screen (3")
built in image stabilization (Sensor based)
supports RAW formats
low resolution sensor (12MP)
sensor is small (1/1.7")
terrible battery pack (250 shots)
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Vlogging Comparison

Vlogging with Pentax K100D S
Vlogging with Pentax Q-S1
9
no video shooting
35
built in image stabilization (Sensor based)
provides face detect focusing
good video quality (1920 x 1080 pxls)
lighter than others in class (203 grams)
does not posses selfie friendly screen
missing mic socket
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Pentax K100D S vs Pentax Q-S1 Specifications

Detailed spec comparison table for Pentax K100D S and Pentax Q-S1
 Pentax K100D SuperPentax Q-S1
General Information
Brand Pentax Pentax
Model type Pentax K100D Super Pentax Q-S1
Class Entry-Level DSLR Entry-Level Mirrorless
Announced 2007-06-28 2014-08-04
Physical type Compact SLR Rangefinder-style mirrorless
Sensor Information
Processor - Q Engine
Sensor type CCD BSI-CMOS
Sensor size APS-C 1/1.7"
Sensor dimensions 23.5 x 15.7mm 7.44 x 5.58mm
Sensor surface area 369.0mm² 41.5mm²
Sensor resolution 6 megapixel 12 megapixel
Anti alias filter
Aspect ratio 3:2 1:1, 4:3, 3:2 and 16:9
Highest Possible resolution 3008 x 2008 4000 x 3000
Maximum native ISO 3200 12800
Minimum native ISO 200 100
RAW pictures
Autofocusing
Manual focusing
Touch to focus
Autofocus continuous
Single autofocus
Autofocus tracking
Selective autofocus
Center weighted autofocus
Multi area autofocus
Autofocus live view
Face detection focus
Contract detection focus
Phase detection focus
Total focus points 11 -
Lens
Lens support Pentax KAF2 Pentax Q
Available lenses 151 8
Crop factor 1.5 4.8
Screen
Screen type Fixed Type Fixed Type
Screen size 2.5" 3"
Screen resolution 210 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch operation
Viewfinder Information
Viewfinder type Optical (pentamirror) None
Viewfinder coverage 96% -
Viewfinder magnification 0.57x -
Features
Min shutter speed 30 seconds 30 seconds
Max shutter speed 1/4000 seconds 1/8000 seconds
Continuous shutter rate 3.0fps 5.0fps
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Set white balance
Image stabilization
Integrated flash
Flash distance - 4.90 m (at ISO 100)
Flash modes Auto, On, Off, Red-eye reduction Auto, redeye reduction, slow sync, trailing curtain sync
External flash
Auto exposure bracketing
White balance bracketing
Max flash synchronize 1/180 seconds -
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 1920 x 1080 (30,25, 24p), 1280 x 720 (30, 25, 24p), 640 x 480 (30, 25, 24p)
Maximum video resolution None 1920x1080
Video data format - MPEG-4, H.264
Mic port
Headphone port
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 646 grams (1.42 pounds) 203 grams (0.45 pounds)
Dimensions 129 x 91 x 71mm (5.1" x 3.6" x 2.8") 105 x 58 x 34mm (4.1" x 2.3" x 1.3")
DXO scores
DXO Overall rating not tested not tested
DXO Color Depth rating not tested not tested
DXO Dynamic range rating not tested not tested
DXO Low light rating not tested not tested
Other
Battery life - 250 pictures
Battery type - Battery Pack
Battery ID 4 x AA D-LI68
Self timer Yes (2 or 12 sec) Yes (2 or 12 sec)
Time lapse recording
Storage type SD/SDHC card SD/SDHC/SDXC card
Card slots One One
Launch pricing $520 $250