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Pentax Q-S1 vs Ricoh GXR GR Lens A12 28mm F2.5

Portability
92 Imaging
37 Features
54 Overall
43
Pentax Q-S1 front
 
Ricoh GXR GR Lens A12 28mm F2.5 front
Portability
88 Imaging
52 Features
37 Overall
46

Pentax Q-S1 vs Ricoh GXR GR Lens A12 28mm F2.5 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
  • Launched August 2014
Ricoh GXR GR Lens A12 28mm F2.5
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 200 - 3200
  • 1280 x 720 video
  • 28mm (F2.5) lens
  • 140g - 113 x 70 x 56mm
  • Launched September 2010
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Pentax Q-S1 vs Ricoh GXR GR Lens A12 28mm F2.5 Overview

In this article, we are reviewing the Pentax Q-S1 versus Ricoh GXR GR Lens A12 28mm F2.5, former being a Entry-Level Mirrorless while the other is a Advanced Mirrorless by manufacturers Pentax and Ricoh. The image resolution of the Q-S1 (12MP) and the GXR GR Lens A12 28mm F2.5 (12MP) is very close but the Q-S1 (1/1.7") and GXR GR Lens A12 28mm F2.5 (APS-C) enjoy different sensor sizing.

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The Q-S1 was revealed 3 years later than the GXR GR Lens A12 28mm F2.5 and that is a fairly serious difference as far as camera technology is concerned. Each of these cameras offer the identical body type (Rangefinder-style mirrorless).

Before going in to a more detailed comparison, below is a simple summation of how the Q-S1 scores against the GXR GR Lens A12 28mm F2.5 in terms of portability, imaging, features and an overall rating.

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Reasons to pick Pentax Q-S1 over the Ricoh GXR GR Lens A12 28mm F2.5

          

          

            
 Q-S1 GXR GR Lens A12 28mm F2.5 
LaunchedAugust 2014September 2010Fresher by 48 months
          

        


        

          

            
Reasons to pick Ricoh GXR GR Lens A12 28mm F2.5 over the Pentax Q-S1

          

          

            
 GXR GR Lens A12 28mm F2.5 Q-S1 
Display resolution920k460kClearer display (+460k dot)
          

        


        

          

            
Common features in the Pentax Q-S1 and Ricoh GXR GR Lens A12 28mm F2.5

          

          

            
 Q-S1 GXR GR Lens A12 28mm F2.5 
Focus manually  More precise focus
Display typeFixed Fixed Fixed display
Display sizing3"3"Equivalent display measurement
Selfie screen  Absent selfie screen
Touch display  Absent Touch display
          

        

        

	
	
	
	

        

          

            
Pentax Q-S1 vs Ricoh GXR GR Lens A12 28mm F2.5 Physical Comparison

          

          

            
In case you're going to carry your camera regularly, you are going to need to consider its weight and measurements. The Pentax Q-S1 has got outer measurements of 105mm x 58mm x 34mm (4.1" x 2.3" x 1.3") having a weight of 203 grams (0.45 lbs) whilst the Ricoh GXR GR Lens A12 28mm F2.5 has proportions of 113mm x 70mm x 56mm (4.4" x 2.8" x 2.2") having a weight of 140 grams (0.31 lbs).
Check the Pentax Q-S1 versus Ricoh GXR GR Lens A12 28mm F2.5 in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses
Remember, the weight of an ILC will vary depending on the lens you are using at that time. Below is the front view over all size comparison of the Q-S1 vs the GXR GR Lens A12 28mm F2.5.
Pentax Q-S1 vs Ricoh GXR GR Lens A12 28mm F2.5 size comparison
Factoring in dimensions and weight, the portability grade of the Q-S1 and GXR GR Lens A12 28mm F2.5 is 92 and 88 respectively.
Pentax Q-S1 vs Ricoh GXR GR Lens A12 28mm F2.5 top view buttons comparison          

        


        

          

            
Pentax Q-S1 vs Ricoh GXR GR Lens A12 28mm F2.5 Sensor Comparison

          

          

            
Normally, it's hard to imagine the contrast in sensor sizing simply by looking through specifications. The visual underneath will help give you a far better sense of the sensor measurements in the Q-S1 and GXR GR Lens A12 28mm F2.5.
Plainly, each of the cameras enjoy the same exact megapixel count but different sensor sizing. The Q-S1 features the smaller sensor which should make getting shallower depth of field trickier. The newer Q-S1 provides an advantage with regard to sensor tech.

            Pentax Q-S1 vs Ricoh GXR GR Lens A12 28mm F2.5 sensor size comparison
          

        


        

          

            
Pentax Q-S1 vs Ricoh GXR GR Lens A12 28mm F2.5 Screen and ViewFinder

          

          

                      

          Pentax Q-S1 vs Ricoh GXR GR Lens A12 28mm F2.5 Screen and Viewfinder comparison        


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Photography Type Scores

          

        

        
Portrait Comparison
Pentax Q-S1 Portrait photography factors
Ricoh GXR GR Lens A12 28mm F2.5 Portrait photography factors
46
 manual focus
 provides face detection focus
 supports RAW formats
 megapixel count low (12 megapixels)
 very small sensor size (1/1.7")
57
 you can focus manually
 sensor size is good (APS-C)
 has face detect focus
 delivers RAW formats
 no liveview
 sensor resolution low (12 megapixels)
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Street Comparison
Pentax Q-S1 Street photography advice
Ricoh GXR GR Lens A12 28mm F2.5 Street photography advice
69
 image stabilization (Sensor based)
 supports RAW formats
 lighter than others (203 grams)
 screen is fixed
 very small sensor size (1/1.7")
70
 sensor size is good (APS-C)
 delivers RAW formats
 lighter than others (140g)
 screen does not articulate
 does not have image stabilization
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Sports Comparison
Pentax Q-S1 Sports photography factors
Ricoh GXR GR Lens A12 28mm F2.5 Sports photography factors
37
 great max shutter speed (1/8,000 seconds)
 image stabilization (Sensor based)
 provides tracking autofocus
 continuous shooting slow (5.0 frames/s)
 megapixel count low (12 megapixels)
 very small sensor size (1/1.7")
 terrible battery pack (250 per charge)
 lack of phase detect auto focus
32
 sensor size is good (APS-C)
 fixed focal length (28mm)
 no liveview
 low fps (5.0 frames per second)
 does not have image stabilization
 sensor resolution low (12MP)
 terrible battery life (320 per charge)
 doesn't have phase detect auto focus
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Travel Comparison
Pentax Q-S1 Travel photography features
Ricoh GXR GR Lens A12 28mm F2.5 Travel photography features
60
 lighter than others (203g)
 has built in flash
 terrible battery pack (250 CIPA)
 megapixel count low (12MP)
 does not contain selfie friendly screen
58
 lighter than others (140g)
 flash built-in
 terrible battery life (320 per charge)
 sensor resolution low (12 megapixels)
 screen is not selfie friendly
 sluggish maximum aperture (f2.5)
Photography Glossary
Landscape Comparison
 Pentax Q-S1 as a Landscape photography camera
 Ricoh GXR GR Lens A12 28mm F2.5 as a Landscape photography camera
55
 manual focus
 swap lenses (Pentax Q mount)
 pretty good screen size (3 inches)
 image stabilization (Sensor based)
 supports RAW formats
 megapixel count low (12MP)
 very small sensor size (1/1.7")
 terrible battery pack (250 CIPA)
47
 you can focus manually
 screen size is good (3")
 sensor size is good (APS-C)
 delivers RAW formats
 fixed lens (fixed lens mount)
 fixed focal length (28mm)
 sluggish maximum aperture (f2.5)
 no liveview
 does not have image stabilization
 sensor resolution low (12 megapixels)
 terrible battery life (320 per charge)
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Vlogging Comparison
Pentax Q-S1 Vlogging advice
Ricoh GXR GR Lens A12 28mm F2.5 Vlogging advice
35
 image stabilization (Sensor based)
 provides face detection focus
 high quality video (1920 x 1080 pixels)
 lighter than others (203 grams)
 does not contain selfie friendly screen
 does not have external mic port
28
 has face detect focus
 lighter than others (140g)
 sluggish maximum aperture (f2.5)
 screen is not selfie friendly
 does not have image stabilization
 video quality not great (1280 x 720 pixels)
 lack of microphone socket
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Pentax Q-S1 vs Ricoh GXR GR Lens A12 28mm F2.5 Specifications

          

          

                      


          

            Detailed spec comparison table for Pentax Q-S1 and Ricoh GXR GR Lens A12 28mm F2.5
 Pentax Q-S1Ricoh GXR GR Lens A12 28mm F2.5
General Information
Make Pentax Ricoh
Model type Pentax Q-S1 Ricoh GXR GR Lens A12 28mm F2.5
Class Entry-Level Mirrorless Advanced Mirrorless
Launched 2014-08-04 2010-09-21
Physical type Rangefinder-style mirrorless Rangefinder-style mirrorless
Sensor Information
Processor Q Engine GR Engine III
Sensor type BSI-CMOS CMOS
Sensor size 1/1.7" APS-C
Sensor measurements 7.44 x 5.58mm 23.6 x 15.7mm
Sensor surface area 41.5mm² 370.5mm²
Sensor resolution 12MP 12MP
Anti alias filter    
Aspect ratio 1:1, 4:3, 3:2 and  16:9 1:1, 4:3, 3:2 and  16:9
Highest Possible resolution 4000 x 3000 4288 x 2848
Maximum native ISO 12800 3200
Min native ISO 100 200
RAW pictures    
Autofocusing
Focus manually    
Touch focus    
Continuous AF    
Single AF    
Tracking AF    
AF selectice    
AF center weighted    
AF multi area    
Live view AF    
Face detection focusing    
Contract detection focusing    
Phase detection focusing    
Lens
Lens mount type Pentax Q fixed lens
Lens zoom range - 28mm (1x)
Largest aperture - f/2.5
Available lenses 8 -
Crop factor 4.8 1.5
Screen
Type of screen Fixed Type Fixed Type
Screen diagonal 3" 3"
Screen resolution 460k dots 920k dots
Selfie friendly    
Liveview    
Touch functionality    
Screen tech - TFT color LCD
Viewfinder Information
Viewfinder None Electronic (optional)
Features
Minimum shutter speed 30 seconds 180 seconds
Fastest shutter speed 1/8000 seconds 1/3200 seconds
Continuous shutter rate 5.0fps 5.0fps
Shutter priority    
Aperture priority    
Manual mode    
Exposure compensation Yes Yes
Custom WB    
Image stabilization    
Built-in flash    
Flash distance 4.90 m (at ISO 100) -
Flash settings Auto, redeye reduction, slow sync, trailing curtain sync Auto, On, Off, Red-Eye, Slow Sync, Manual
Hot shoe    
AE 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) 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps)
Maximum video resolution 1920x1080 1280x720
Video data format MPEG-4, H.264 MPEG-4
Microphone 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 203 grams (0.45 lbs) 140 grams (0.31 lbs)
Dimensions 105 x 58 x 34mm (4.1" x 2.3" x 1.3") 113 x 70 x 56mm (4.4" x 2.8" x 2.2")
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 320 shots
Battery type Battery Pack Battery Pack
Battery ID D-LI68 DB-90
Self timer Yes (2 or 12 sec) Yes (2 or 10 sec, 10 sec (3 images) )
Time lapse recording    
Type of storage SD/SDHC/SDXC card SD/SDHC, Internal
Card slots One One
Price at release $250 $566