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Pentax Q-S1 vs Ricoh G900

Portability
92
Imaging
38
Features
54
Overall
44
Pentax Q-S1 front
 
Ricoh G900 front
Portability
89
Imaging
47
Features
46
Overall
46

Pentax Q-S1 vs Ricoh G900 Key Specs

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
  • Announced August 2014
Ricoh G900
(Full Review)
  • 20MP - 1/2.3" Sensor
  • 3" Fixed Display
  • ISO 125 - 6400
  • Digital Image Stabilization
  • 3840 x 2160 video
  • 28-140mm (F3.5-5.5) lens
  • 247g - 118 x 66 x 33mm
  • Introduced February 2018
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Pentax Q-S1 vs Ricoh G900 Overview

Let's look more closely at the Pentax Q-S1 and Ricoh G900, former is a Entry-Level Mirrorless while the other is a Waterproof by manufacturers Pentax and Ricoh. There exists a substantial gap between the sensor resolutions of the Q-S1 (12MP) and G900 (20MP) and the Q-S1 (1/1.7") and G900 (1/2.3") posses totally different sensor sizing.

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The Q-S1 was unveiled 4 years before the G900 which is quite a big difference as far as technology is concerned. Both of the cameras feature different body design with the Pentax Q-S1 being a Rangefinder-style mirrorless camera and the Ricoh G900 being a Compact camera.

Before we go straight to a detailed comparison, here is a quick highlight of how the Q-S1 grades against the G900 in terms of portability, imaging, features and an overall mark.

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Reasons to pick Pentax Q-S1 over the Ricoh G900

 Q-S1 G900 

Reasons to pick Ricoh G900 over the Pentax Q-S1

 G900 Q-S1 
IntroducedFebruary 2018August 2014Newer by 43 months
Display resolution1040k460kClearer display (+580k dot)

Common features in the Pentax Q-S1 and Ricoh G900

 Q-S1 G900 
Focus manually More exact focus
Display typeFixed Fixed Fixed display
Display size3"3"Same display measurement
Selfie screen Neither contains selfie screen
Touch friendly display Absent Touch friendly display

Pentax Q-S1 vs Ricoh G900 Physical Comparison

When you are looking to travel with your camera regularly, you have to factor in its weight and size. The Pentax Q-S1 has got outer measurements of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") along with a weight of 203 grams (0.45 lbs) while the Ricoh G900 has specifications of 118mm x 66mm x 33mm (4.6" x 2.6" x 1.3") accompanied by a weight of 247 grams (0.54 lbs).

Contrast the Pentax Q-S1 and Ricoh G900 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will change depending on the lens you use during that time. Here is a front view sizing comparison of the Q-S1 and the G900.

Pentax Q-S1 vs Ricoh G900 size comparison

Looking at dimensions and weight, the portability score of the Q-S1 and G900 is 92 and 89 respectively.

Pentax Q-S1 vs Ricoh G900 top view buttons comparison

Pentax Q-S1 vs Ricoh G900 Sensor Comparison

More often than not, it's hard to visualise the difference between sensor dimensions merely by looking at specs. The pic here should provide you a stronger sense of the sensor sizing in the Q-S1 and G900.

All in all, the 2 cameras come with different megapixels and different sensor dimensions. The Q-S1 with its larger sensor will make getting shallow depth of field less difficult and the Ricoh G900 will give greater detail having an extra 8MP. Greater resolution can also make it easier to crop pics a good deal more aggressively. The more aged Q-S1 is going to be behind when it comes to sensor technology.

Pentax Q-S1 vs Ricoh G900 sensor size comparison

Pentax Q-S1 vs Ricoh G900 Screen and ViewFinder

Pentax Q-S1 vs Ricoh G900 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax Q-S1 as a Portrait photography camera
Ricoh G900 as a Portrait photography camera
46
has manual focus
supports face detect autofocus
supports RAW files
megapixel count low (12 megapixels)
small sensor size (1/1.7")
45
focusing manually
sensor resolution is decent (20MP)
supports face detect focusing
manual exposure not possible
no external flash support
very small sensor (1/2.3")
no RAW support
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Street Comparison

Pentax Q-S1 as a Street photography camera
Ricoh G900 as a Street photography camera
69
image stabilization (Sensor based)
supports RAW files
lighter than others (203g)
fixed screen
small sensor size (1/1.7")
60
image stabilization (Digital)
weather proofing
no moving screen
very small sensor (1/2.3")
no RAW support
heavier than competition (247g)
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Sports Comparison

Sports photography with Pentax Q-S1
Sports photography with Ricoh G900
37
high shutter speed (1/8,000s)
image stabilization (Sensor based)
supports tracking focus
low frames per second (5.0 frames/s)
megapixel count low (12MP)
small sensor size (1/1.7")
not so great battery pack (250 CIPA)
no phase detect autofocus
54
image stabilization (Digital)
sensor resolution is decent (20 megapixels)
supports tracking focus
weather proofing
better than average battery life (340 CIPA)
no shutter priority mode
very small sensor (1/2.3")
no phase detect AF
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Travel Comparison

Pentax Q-S1 Travel photography info
Ricoh G900 Travel photography info
60
lighter than others (203g)
flash built-in
not so great battery pack (250 per charge)
megapixel count low (12MP)
does not feature selfie friendly display
70
better than average battery life (340 shots)
weather proofing
sensor resolution is decent (20MP)
has built in flash
pretty wide (28mm)
heavier than competition (247g)
does not have a selfie friendly screen
somewhat slow maximum aperture (f3.5)
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Landscape Comparison

Pentax Q-S1 Landscape photography highlights
Ricoh G900 Landscape photography highlights
55
has manual focus
switch lenses (Pentax Q mount)
nice screen size (3 inch)
image stabilization (Sensor based)
supports RAW files
megapixel count low (12 megapixels)
small sensor size (1/1.7")
not so great battery pack (250 shots)
56
focusing manually
pretty wide (28mm)
screen is a decent size (3 inch)
image stabilization (Digital)
sensor resolution is decent (20MP)
weather proofing
better than average battery life (340 per charge)
fixed lens (fixed lens mount)
somewhat slow maximum aperture (f3.5)
manual exposure not possible
very small sensor (1/2.3")
no RAW support
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Vlogging Comparison

Pentax Q-S1 Vlogging info
Ricoh G900 Vlogging info
35
image stabilization (Sensor based)
supports face detect autofocus
high quality video (1920 x 1080 pixels)
lighter than others (203 grams)
does not feature selfie friendly display
doesn't have mic port
32
pretty wide (28mm)
image stabilization (Digital)
supports face detect focusing
video resolution high (3840 x 2160 resolution)
somewhat slow maximum aperture (f3.5)
does not have a selfie friendly screen
lack of mic support
heavier than competition (247 grams)
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Pentax Q-S1 vs Ricoh G900 Specifications

Detailed spec comparison table for Pentax Q-S1 and Ricoh G900
 Pentax Q-S1Ricoh G900
General Information
Manufacturer Pentax Ricoh
Model type Pentax Q-S1 Ricoh G900
Type Entry-Level Mirrorless Waterproof
Announced 2014-08-04 2018-02-21
Physical type Rangefinder-style mirrorless Compact
Sensor Information
Processor Chip Q Engine -
Sensor type BSI-CMOS BSI-CMOS
Sensor size 1/1.7" 1/2.3"
Sensor dimensions 7.44 x 5.58mm 6.17 x 4.55mm
Sensor surface area 41.5mm² 28.1mm²
Sensor resolution 12 megapixels 20 megapixels
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3 and 3:2
Highest Possible resolution 4000 x 3000 5184 x 3888
Maximum native ISO 12800 6400
Lowest native ISO 100 125
RAW pictures
Autofocusing
Focus manually
Touch 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
Total focus points - 9
Lens
Lens support Pentax Q fixed lens
Lens zoom range - 28-140mm (5.0x)
Max aperture - f/3.5-5.5
Macro focusing distance - 1cm
Total lenses 8 -
Crop factor 4.8 5.8
Screen
Screen type Fixed Type Fixed Type
Screen size 3" 3"
Screen resolution 460 thousand dots 1,040 thousand dots
Selfie friendly
Liveview
Touch function
Viewfinder Information
Viewfinder None None
Features
Minimum shutter speed 30 seconds 4 seconds
Fastest shutter speed 1/8000 seconds 1/4000 seconds
Continuous shutter rate 5.0 frames per second -
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Change white balance
Image stabilization
Inbuilt flash
Flash distance 4.90 m (at ISO 100) 5.50 m (with Auto ISO)
Flash options Auto, redeye reduction, slow sync, trailing curtain sync Flash on, flash off
External flash
Auto exposure bracketing
White balance bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (30,25, 24p), 1280 x 720 (30, 25, 24p), 640 x 480 (30, 25, 24p) 3840x2160
Maximum video resolution 1920x1080 3840x2160
Video format MPEG-4, H.264 MPEG-4, H.264
Mic support
Headphone support
Connectivity
Wireless None Supports FlashAir SD cards
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) DB-110 lithium-ion battery & USB charger
GPS None Built-in
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 203 gr (0.45 lb) 247 gr (0.54 lb)
Physical dimensions 105 x 58 x 34mm (4.1" x 2.3" x 1.3") 118 x 66 x 33mm (4.6" x 2.6" 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 shots 340 shots
Type of battery Battery Pack Battery Pack
Battery ID D-LI68 -
Self timer Yes (2 or 12 sec) Yes
Time lapse feature
Type of storage SD/SDHC/SDXC card Internal + SD/SDHC/SDXC card
Card slots 1 1
Price at release $250 $752