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Pentax K-01 vs Ricoh GXR Mount A12

Portability
76
Imaging
57
Features
68
Overall
61
Pentax K-01 front
 
Ricoh GXR Mount A12 front
Portability
84
Imaging
53
Features
39
Overall
47

Pentax K-01 vs Ricoh GXR Mount A12 Key Specs

Pentax K-01
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 100 - 12800 (Bump to 25600)
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 561g - 122 x 79 x 58mm
  • Revealed May 2012
Ricoh GXR Mount A12
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • ISO 200 - 3200
  • 1/9000s Max Shutter
  • 1280 x 720 video
  • ()mm (F) lens
  • 370g - 120 x 70 x 45mm
  • Released August 2011
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Pentax K-01 vs Ricoh GXR Mount A12 Overview

Here is a in-depth review of the Pentax K-01 versus Ricoh GXR Mount A12, both Entry-Level Mirrorless digital cameras by rivals Pentax and Ricoh. There exists a significant gap between the image resolutions of the K-01 (16MP) and GXR Mount A12 (12MP) but both cameras have the identical sensor sizing (APS-C).

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The K-01 was announced 10 months later than the GXR Mount A12 and they are both of a similar generation. Both the cameras feature different body design with the Pentax K-01 being a SLR-style mirrorless camera and the Ricoh GXR Mount A12 being a Rangefinder-style mirrorless camera.

Before diving right into a thorough comparison, here is a simple overview of how the K-01 scores versus the GXR Mount A12 in relation to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-01 over the Ricoh GXR Mount A12

 K-01 GXR Mount A12 
ReleasedMay 2012August 2011Fresher by 10 months
Screen resolution921k920kCrisper screen (+1k dot)

Reasons to pick Ricoh GXR Mount A12 over the Pentax K-01

 GXR Mount A12 K-01 

Common features in the Pentax K-01 and Ricoh GXR Mount A12

 K-01 GXR Mount A12 
Focus manually More precise focus
Screen typeFixed Fixed Fixed screen
Screen size3"3"Same screen measurement
Selfie screen Missing selfie screen
Touch friendly screen Neither offers Touch friendly screen

Pentax K-01 vs Ricoh GXR Mount A12 Physical Comparison

In case you're planning to carry your camera, you need to think about its weight and volume. The Pentax K-01 offers exterior dimensions of 122mm x 79mm x 58mm (4.8" x 3.1" x 2.3") accompanied by a weight of 561 grams (1.24 lbs) while the Ricoh GXR Mount A12 has sizing of 120mm x 70mm x 45mm (4.7" x 2.8" x 1.8") with a weight of 370 grams (0.82 lbs).

Take a look at the Pentax K-01 versus Ricoh GXR Mount A12 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will change depending on the lens you select at that time. Below is a front view proportions comparison of the K-01 versus the GXR Mount A12.

Pentax K-01 vs Ricoh GXR Mount A12 size comparison

Looking at dimensions and weight, the portability grade of the K-01 and GXR Mount A12 is 76 and 84 respectively.

Pentax K-01 vs Ricoh GXR Mount A12 top view buttons comparison

Pentax K-01 vs Ricoh GXR Mount A12 Sensor Comparison

Quite often, it's difficult to visualise the contrast between sensor sizing merely by checking a spec sheet. The visual below may offer you a stronger sense of the sensor dimensions in the K-01 and GXR Mount A12.

Clearly, both of the cameras come with the identical sensor size albeit not the same resolution. You should count on the Pentax K-01 to resolve greater detail with its extra 4 Megapixels. Higher resolution will allow you to crop pictures a good deal more aggressively. The more modern K-01 is going to have an advantage with regard to sensor technology.

Pentax K-01 vs Ricoh GXR Mount A12 sensor size comparison

Pentax K-01 vs Ricoh GXR Mount A12 Screen and ViewFinder

Pentax K-01 vs Ricoh GXR Mount A12 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax K-01 Portrait photography information
Ricoh GXR Mount A12 Portrait photography information
74
manual focus
sensor resolution is decent (16MP)
sensor size is nice (APS-C)
has face detect focus
supports RAW formats
55
manual focus
sensor size is decent (APS-C)
delivers RAW files
does not have liveview
sensor resolution low (12 megapixels)
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Street Comparison

Pentax K-01 Street photography info
Ricoh GXR Mount A12 Street photography info
66
has image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW formats
fixed screen
heavier than average (561g)
65
sensor size is decent (APS-C)
delivers RAW files
no moving screen
lack of image stabilization
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Sports Comparison

Pentax K-01 Sports photography advice
Ricoh GXR Mount A12 Sports photography advice
61
has image stabilization (Sensor based)
sensor resolution is decent (16MP)
sensor size is nice (APS-C)
better than average battery pack (540 CIPA)
max fps low (6.0 frames per second)
lacks phase detect auto focus
39
great max shutter speed (1/9,000s)
sensor size is decent (APS-C)
fixed focal length (()mm)
does not have liveview
slow continuous shooting (3.0 frames per second)
lack of image stabilization
sensor resolution low (12MP)
lacks phase detect AF
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Travel Comparison

Travel photography with Pentax K-01
Travel photography with Ricoh GXR Mount A12
65
better than average battery pack (540 per charge)
sensor resolution is decent (16MP)
built-in flash
heavier than average (561 grams)
screen is not selfie friendly
60
flash built-in
good maximum aperture (f)
does not have Time Lapse recording
sensor resolution low (12 megapixels)
screen isn't selfie friendly
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Landscape Comparison

Pentax K-01 Landscape photography info
Ricoh GXR Mount A12 Landscape photography info
80
manual focus
swap lenses (Pentax KAF2 mount)
screen size is decent (3")
has image stabilization (Sensor based)
sensor resolution is decent (16MP)
sensor size is nice (APS-C)
supports RAW formats
better than average battery pack (540 CIPA)
52
manual focus
good maximum aperture (f)
screen size is decent (3 inch)
sensor size is decent (APS-C)
delivers RAW files
lens is fixed (fixed lens mount)
fixed focal length (()mm)
does not have liveview
lack of image stabilization
sensor resolution low (12MP)
does not have Time Lapse recording
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Vlogging Comparison

Pentax K-01 as a Vlogging camera
Ricoh GXR Mount A12 as a Vlogging camera
34
has image stabilization (Sensor based)
has face detect focus
video resolution high (1920 x 1080 pixels)
has mic socket
screen is not selfie friendly
heavier than average (561g)
26
good maximum aperture (f)
screen isn't selfie friendly
lack of image stabilization
video resolution low (1280 x 720 pixels)
does not have mic jack
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Pentax K-01 vs Ricoh GXR Mount A12 Specifications

Detailed spec comparison table for Pentax K-01 and Ricoh GXR Mount A12
 Pentax K-01Ricoh GXR Mount A12
General Information
Brand Pentax Ricoh
Model Pentax K-01 Ricoh GXR Mount A12
Category Entry-Level Mirrorless Entry-Level Mirrorless
Revealed 2012-05-30 2011-08-05
Body design SLR-style mirrorless Rangefinder-style mirrorless
Sensor Information
Sensor type CMOS CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.7 x 15.7mm 23.6 x 15.7mm
Sensor surface area 372.1mm² 370.5mm²
Sensor resolution 16 megapixel 12 megapixel
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Max resolution 4928 x 3264 4288 x 2848
Max native ISO 12800 3200
Max enhanced ISO 25600 -
Minimum native ISO 100 200
RAW data
Autofocusing
Focus manually
Touch focus
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 81 -
Lens
Lens mount Pentax KAF2 fixed lens
Lens focal range - ()
Available lenses 151 -
Crop factor 1.5 1.5
Screen
Range of screen Fixed Type Fixed Type
Screen sizing 3 inch 3 inch
Resolution of screen 921k dot 920k dot
Selfie friendly
Liveview
Touch capability
Screen technology TFT LCD monitor -
Viewfinder Information
Viewfinder None Electronic (optional)
Features
Minimum shutter speed 30 seconds 1 seconds
Fastest shutter speed 1/4000 seconds 1/9000 seconds
Continuous shutter speed 6.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash range 12.00 m (at ISO 100) 9.60 m
Flash options Auto, On, Off, Red-eye, Slow-speed Sync, Trailing Curtain Sync Auto, On, Off, Red-Eye, Slow Sync, Manual
Hot shoe
Auto exposure bracketing
White balance bracketing
Fastest flash sync 1/180 seconds -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Supported video resolutions 1920 x 1080 (30, 25, 24 fps),1280 x 720 (60, 50, 30, 25, 24 fps), 640 x 480 (30, 25, 24 fps) 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps)
Max video resolution 1920x1080 1280x720
Video file format MPEG-4, H.264 Motion JPEG
Mic input
Headphone input
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 seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 561 gr (1.24 lb) 370 gr (0.82 lb)
Physical dimensions 122 x 79 x 58mm (4.8" x 3.1" x 2.3") 120 x 70 x 45mm (4.7" x 2.8" x 1.8")
DXO scores
DXO Overall score 79 not tested
DXO Color Depth score 23.7 not tested
DXO Dynamic range score 12.9 not tested
DXO Low light score 1135 not tested
Other
Battery life 540 photographs 330 photographs
Style of battery Battery Pack Battery Pack
Battery model D-LI90 DB-90
Self timer Yes (2 or 12 sec) Yes (5 sec, custom)
Time lapse recording
Storage media SD/SDHC/SDXC SD/SDHC, Internal
Storage slots 1 1
Cost at release $899 $349