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Pentax X70 vs Ricoh GXR GR Lens A12 28mm F2.5

Portability
71
Imaging
35
Features
34
Overall
34
Pentax X70 front
 
Ricoh GXR GR Lens A12 28mm F2.5 front
Portability
88
Imaging
53
Features
37
Overall
46

Pentax X70 vs Ricoh GXR GR Lens A12 28mm F2.5 Key Specs

Pentax X70
(Full Review)
  • 12MP - 1/2.3" Sensor
  • 2.7" Fixed Screen
  • ISO 50 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 26-624mm (F2.8-5.0) lens
  • 410g - 110 x 83 x 90mm
  • Launched March 2009
Ricoh GXR GR Lens A12 28mm F2.5
(Full Review)
  • 12MP - APS-C Sensor
  • 3" Fixed Screen
  • 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 X70 vs Ricoh GXR GR Lens A12 28mm F2.5 Overview

The following is a comprehensive review of the Pentax X70 and Ricoh GXR GR Lens A12 28mm F2.5, former is a Small Sensor Superzoom while the latter is a Advanced Mirrorless by rivals Pentax and Ricoh. The sensor resolution of the X70 (12MP) and the GXR GR Lens A12 28mm F2.5 (12MP) is pretty similar but the X70 (1/2.3") and GXR GR Lens A12 28mm F2.5 (APS-C) have different sensor dimensions.

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The X70 was unveiled 18 months before the GXR GR Lens A12 28mm F2.5 which makes them a generation away from one another. Each of the cameras have different body design with the Pentax X70 being a SLR-like (bridge) camera and the Ricoh GXR GR Lens A12 28mm F2.5 being a Rangefinder-style mirrorless camera.

Before getting straight to a detailed comparison, here is a concise view of how the X70 scores versus the GXR GR Lens A12 28mm F2.5 in the way of portability, imaging, features and an overall mark.

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Reasons to pick Pentax X70 over the Ricoh GXR GR Lens A12 28mm F2.5

 X70 GXR GR Lens A12 28mm F2.5 

Reasons to pick Ricoh GXR GR Lens A12 28mm F2.5 over the Pentax X70

 GXR GR Lens A12 28mm F2.5 X70 
LaunchedSeptember 2010March 2009Newer by 18 months
Screen dimensions3"2.7"Bigger screen (+0.3")
Screen resolution920k230kClearer screen (+690k dot)

Common features in the Pentax X70 and Ricoh GXR GR Lens A12 28mm F2.5

 X70 GXR GR Lens A12 28mm F2.5 
Manually focus More accurate focus
Screen typeFixed Fixed Fixed screen
Selfie screen Lack of selfie screen
Touch friendly screen Lack of Touch friendly screen

Pentax X70 vs Ricoh GXR GR Lens A12 28mm F2.5 Physical Comparison

For anybody who is aiming to travel with your camera frequently, you're going to have to take into account its weight and proportions. The Pentax X70 enjoys exterior dimensions of 110mm x 83mm x 90mm (4.3" x 3.3" x 3.5") accompanied by a weight of 410 grams (0.90 lbs) while the Ricoh GXR GR Lens A12 28mm F2.5 has measurements of 113mm x 70mm x 56mm (4.4" x 2.8" x 2.2") having a weight of 140 grams (0.31 lbs).

Look at the Pentax X70 and Ricoh GXR GR Lens A12 28mm F2.5 in our completely new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Do not forget, the weight of an ILC will differ based on the lens you are working with at the time. Following is a front view overall size comparison of the X70 and the GXR GR Lens A12 28mm F2.5.

Pentax X70 vs Ricoh GXR GR Lens A12 28mm F2.5 size comparison

Taking into consideration dimensions and weight, the portability grade of the X70 and GXR GR Lens A12 28mm F2.5 is 71 and 88 respectively.

Pentax X70 vs Ricoh GXR GR Lens A12 28mm F2.5 top view buttons comparison

Pentax X70 vs Ricoh GXR GR Lens A12 28mm F2.5 Sensor Comparison

More often than not, its difficult to imagine the difference between sensor dimensions just by reviewing a spec sheet. The pic underneath will offer you a more clear sense of the sensor sizes in the X70 and GXR GR Lens A12 28mm F2.5.

As you can see, both of the cameras have the same megapixel count albeit different sensor dimensions. The X70 provides the tinier sensor which will make getting shallow depth of field more difficult. The more aged X70 is going to be behind in sensor tech.

Pentax X70 vs Ricoh GXR GR Lens A12 28mm F2.5 sensor size comparison

Pentax X70 vs Ricoh GXR GR Lens A12 28mm F2.5 Screen and ViewFinder

Pentax X70 vs Ricoh GXR GR Lens A12 28mm F2.5 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax X70 Portrait photography factors
Ricoh GXR GR Lens A12 28mm F2.5 Portrait photography factors
29
has manual focus
cannot use external flash
megapixel count low (12MP)
tiny sensor (1/2.3")
has no RAW support
58
focusing manually
sensor size is nice (APS-C)
features face detect focus
supports RAW files
no liveview
sensor resolution not great (12MP)
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Street Comparison

Pentax X70 as a Street photography camera
Ricoh GXR GR Lens A12 28mm F2.5 as a Street photography camera
46
has image stabilization (Sensor-shift)
fixed screen
tiny sensor (1/2.3")
has no RAW support
70
sensor size is nice (APS-C)
supports RAW files
lighter than average (140g)
screen does not articulate
lack of image stabilization
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Sports Comparison

Pentax X70 Sports photography details
Ricoh GXR GR Lens A12 28mm F2.5 Sports photography details
50
incredible zoom range (26-624mm 24.0 x zoom)
has image stabilization (Sensor-shift)
comes with tracking autofocus
comes with phase detect autofocus
megapixel count low (12MP)
tiny sensor (1/2.3")
32
sensor size is nice (APS-C)
focal length is fixed (28mm)
no liveview
low fps (5.0 frames/s)
lack of image stabilization
sensor resolution not great (12MP)
terrible battery pack (320 CIPA)
has no phase detect auto focus
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Travel Comparison

Pentax X70 Travel photography highlights
Ricoh GXR GR Lens A12 28mm F2.5 Travel photography highlights
52
built-in flash
quite wide (26mm)
very long zoom (624mm)
no Time Lapse function
megapixel count low (12 megapixels)
does not offer selfie friendly display
sluggish maximum aperture (f2.8)
59
lighter than average (140 grams)
has built in flash
terrible battery pack (320 shots)
sensor resolution not great (12 megapixels)
does not feature selfie friendly screen
somewhat slow maximum aperture (f2.5)
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Landscape Comparison

Pentax X70 as a Landscape photography camera
Ricoh GXR GR Lens A12 28mm F2.5 as a Landscape photography camera
36
has manual focus
quite wide (26mm)
has image stabilization (Sensor-shift)
fixed lens (fixed lens mount)
sluggish maximum aperture (f2.8)
screen is small (2.7 inch)
megapixel count low (12 megapixels)
tiny sensor (1/2.3")
has no RAW support
no Time Lapse function
48
focusing manually
screen is a decent size (3")
sensor size is nice (APS-C)
supports RAW files
fixed lens (fixed lens mount)
focal length is fixed (28mm)
somewhat slow maximum aperture (f2.5)
no liveview
lack of image stabilization
sensor resolution not great (12 megapixels)
terrible battery pack (320 shots)
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Vlogging Comparison

Pentax X70 Vlogging info
Ricoh GXR GR Lens A12 28mm F2.5 Vlogging info
24
quite wide (26mm)
has image stabilization (Sensor-shift)
sluggish maximum aperture (f2.8)
does not offer selfie friendly display
low quality video (1280 x 720 pxls)
no external mic socket
28
features face detect focus
lighter than average (140 grams)
somewhat slow maximum aperture (f2.5)
does not feature selfie friendly screen
lack of image stabilization
low quality video (1280 x 720 pxls)
no microphone jack
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Pentax X70 vs Ricoh GXR GR Lens A12 28mm F2.5 Specifications

Detailed spec comparison table for Pentax X70 and Ricoh GXR GR Lens A12 28mm F2.5
 Pentax X70Ricoh GXR GR Lens A12 28mm F2.5
General Information
Make Pentax Ricoh
Model Pentax X70 Ricoh GXR GR Lens A12 28mm F2.5
Category Small Sensor Superzoom Advanced Mirrorless
Launched 2009-03-02 2010-09-21
Body design SLR-like (bridge) Rangefinder-style mirrorless
Sensor Information
Processor Chip - GR Engine III
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor measurements 6.17 x 4.55mm 23.6 x 15.7mm
Sensor surface area 28.1mm² 370.5mm²
Sensor resolution 12 megapixels 12 megapixels
Anti aliasing filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3, 3:2 and 16:9
Peak resolution 4000 x 3000 4288 x 2848
Highest native ISO 6400 3200
Lowest native ISO 50 200
RAW data
Autofocusing
Focus manually
Touch focus
AF continuous
Single AF
Tracking AF
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detection focusing
Contract detection focusing
Phase detection focusing
Number of focus points 9 -
Lens
Lens mounting type fixed lens fixed lens
Lens focal range 26-624mm (24.0x) 28mm (1x)
Maximum aperture f/2.8-5.0 f/2.5
Macro focus range 10cm -
Crop factor 5.8 1.5
Screen
Screen type Fixed Type Fixed Type
Screen diagonal 2.7" 3"
Resolution of screen 230 thousand dot 920 thousand dot
Selfie friendly
Liveview
Touch friendly
Screen tech - TFT color LCD
Viewfinder Information
Viewfinder Electronic Electronic (optional)
Features
Min shutter speed 4 seconds 180 seconds
Max shutter speed 1/4000 seconds 1/3200 seconds
Continuous shutter speed - 5.0 frames/s
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Custom WB
Image stabilization
Integrated flash
Flash range 9.10 m -
Flash settings - Auto, On, Off, Red-Eye, Slow Sync, Manual
Hot shoe
Auto exposure bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1280 x 720 (30 fps), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 1280 x 720 (24 fps), 640 x 480 (24 fps), 320 x 240 (24 fps)
Highest video resolution 1280x720 1280x720
Video file format Motion JPEG MPEG-4
Microphone 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 410 grams (0.90 lbs) 140 grams (0.31 lbs)
Physical dimensions 110 x 83 x 90mm (4.3" x 3.3" x 3.5") 113 x 70 x 56mm (4.4" x 2.8" x 2.2")
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 - 320 shots
Type of battery - Battery Pack
Battery model D-LI92 DB-90
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec, 10 sec (3 images) )
Time lapse feature
Type of storage SD/SDHC, Internal SD/SDHC, Internal
Storage slots Single Single
Pricing at release $200 $566