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Pentax K-7 vs Ricoh GR Digital IV

Portability
60
Imaging
55
Features
69
Overall
60
Pentax K-7 front
 
Ricoh GR Digital IV front
Portability
92
Imaging
35
Features
47
Overall
39

Pentax K-7 vs Ricoh GR Digital IV Key Specs

Pentax K-7
(Full Review)
  • 15MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 2000 (Boost to 6400)
  • Sensor based Image Stabilization
  • 1/8000s Max Shutter
  • 1280 x 720 video
  • Pentax KAF2 Mount
  • 750g - 131 x 97 x 73mm
  • Launched October 2009
  • Replacement is Pentax K-5
Ricoh GR Digital IV
(Full Review)
  • 10MP - 1/1.7" Sensor
  • 3" Fixed Screen
  • ISO 80 - 3200
  • Sensor-shift Image Stabilization
  • 640 x 480 video
  • 28mm (F1.9) lens
  • 190g - 109 x 59 x 33mm
  • Released September 2011
  • Superseded the Ricoh GR Digital III
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Pentax K-7 vs Ricoh GR Digital IV Overview

Here is a complete overview of the Pentax K-7 and Ricoh GR Digital IV, former being a Advanced DSLR while the latter is a Small Sensor Compact by rivals Pentax and Ricoh. There is a noticeable difference between the image resolutions of the K-7 (15MP) and GR Digital IV (10MP) and the K-7 (APS-C) and GR Digital IV (1/1.7") possess different sensor dimensions.

Photography Glossary

The K-7 was manufactured 23 months before the GR Digital IV which makes the cameras a generation apart from each other. Each of the cameras offer different body type with the Pentax K-7 being a Mid-size SLR camera and the Ricoh GR Digital IV being a Compact camera.

Before getting through a in depth comparison, below is a concise synopsis of how the K-7 scores versus the GR Digital IV in regards to portability, imaging, features and an overall rating.

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Reasons to pick Pentax K-7 over the Ricoh GR Digital IV

 K-7 GR Digital IV 

Reasons to pick Ricoh GR Digital IV over the Pentax K-7

 GR Digital IV K-7 
ReleasedSeptember 2011October 2009Fresher by 23 months
Screen resolution1230k921kClearer screen (+309k dot)

Common features in the Pentax K-7 and Ricoh GR Digital IV

 K-7 GR Digital IV 
Manual focus Very exact focusing
Screen typeFixed Fixed Fixed screen
Screen sizing3"3"Equivalent screen sizing
Selfie screen Neither provides selfie screen
Touch friendly screen Neither provides Touch friendly screen

Pentax K-7 vs Ricoh GR Digital IV Physical Comparison

For those who are intending to carry your camera regularly, you need to factor its weight and size. The Pentax K-7 provides physical dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") accompanied by a weight of 750 grams (1.65 lbs) whilst the Ricoh GR Digital IV has specifications of 109mm x 59mm x 33mm (4.3" x 2.3" x 1.3") along with a weight of 190 grams (0.42 lbs).

Look at the Pentax K-7 and Ricoh GR Digital IV in our brand new Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will vary depending on the lens you have at that time. Underneath is the front view measurement comparison of the K-7 vs the GR Digital IV.

Pentax K-7 vs Ricoh GR Digital IV size comparison

Considering size and weight, the portability score of the K-7 and GR Digital IV is 60 and 92 respectively.

Pentax K-7 vs Ricoh GR Digital IV top view buttons comparison

Pentax K-7 vs Ricoh GR Digital IV Sensor Comparison

Often, it can be difficult to picture the difference between sensor sizing merely by reading through specs. The photograph below may offer you a more clear sense of the sensor sizes in the K-7 and GR Digital IV.

All in all, both of these cameras offer different resolutions and different sensor sizing. The K-7 because of its bigger sensor is going to make shooting shallower DOF easier and the Pentax K-7 will give you more detail due to its extra 5 Megapixels. Higher resolution will help you crop shots a little more aggressively. The older K-7 is going to be behind in sensor technology.

Pentax K-7 vs Ricoh GR Digital IV sensor size comparison

Pentax K-7 vs Ricoh GR Digital IV Screen and ViewFinder

Pentax K-7 vs Ricoh GR Digital IV Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K-7 Portrait photography details
Ricoh GR Digital IV Portrait photography details
73
you can focus manually
good megapixels (15MP)
sensor size is nice (APS-C)
includes face detect focus
exports RAW files
41
manual focus
saves RAW formats
resolution not great (10MP)
very small sensor size (1/1.7")
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Street Comparison

Street photography with Pentax K-7
Street photography with Ricoh GR Digital IV
66
has image stabilization (Sensor based)
sensor size is nice (APS-C)
exports RAW files
weather proof
screen does not articulate
65
built in image stabilization (Sensor-shift)
saves RAW formats
no moving screen
very small sensor size (1/1.7")
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Sports Comparison

Pentax K-7 Sports photography highlights
Ricoh GR Digital IV Sports photography highlights
70
max shutter speed is good (1/8,000s)
has image stabilization (Sensor based)
good megapixels (15 megapixels)
sensor size is nice (APS-C)
weather proof
comes with phase detect auto focus
max fps very slow (5.0 frames per second)
34
built in image stabilization (Sensor-shift)
good battery (390 CIPA)
fixed focal length (28mm)
resolution not great (10MP)
very small sensor size (1/1.7")
no phase detect AF
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Travel Comparison

Pentax K-7 Travel photography advice
Ricoh GR Digital IV Travel photography advice
65
weather proof
good megapixels (15 megapixels)
has built in flash
doesn't offer selfie friendly display
67
good battery (390 shots)
built-in flash
very good max aperture (f1.9)
resolution not great (10 megapixels)
display is not selfie friendly
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Landscape Comparison

Pentax K-7 Landscape photography advice
Ricoh GR Digital IV Landscape photography advice
78
you can focus manually
interchangeable lenses (Pentax KAF2 mount)
screen size is good (3 inches)
has image stabilization (Sensor based)
good megapixels (15MP)
sensor size is nice (APS-C)
exports RAW files
weather proof
53
manual focus
very good max aperture (f1.9)
nice screen size (3 inch)
built in image stabilization (Sensor-shift)
saves RAW formats
good battery (390 CIPA)
lens is fixed (fixed lens mount)
fixed focal length (28mm)
resolution not great (10MP)
very small sensor size (1/1.7")
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Vlogging Comparison

Vlogging with Pentax K-7
Vlogging with Ricoh GR Digital IV
25
has image stabilization (Sensor based)
includes face detect focus
doesn't offer selfie friendly display
low res video (1280 x 720 pxls)
doesn't have microphone socket
29
very good max aperture (f1.9)
built in image stabilization (Sensor-shift)
display is not selfie friendly
video quality not great (640 x 480 resolution)
doesn't have external mic port
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Pentax K-7 vs Ricoh GR Digital IV Specifications

Detailed spec comparison table for Pentax K-7 and Ricoh GR Digital IV
 Pentax K-7Ricoh GR Digital IV
General Information
Manufacturer Pentax Ricoh
Model type Pentax K-7 Ricoh GR Digital IV
Type Advanced DSLR Small Sensor Compact
Launched 2009-10-02 2011-09-15
Body design Mid-size SLR Compact
Sensor Information
Powered by Prime II -
Sensor type CMOS CCD
Sensor size APS-C 1/1.7"
Sensor dimensions 23.4 x 15.6mm 7.44 x 5.58mm
Sensor surface area 365.0mm² 41.5mm²
Sensor resolution 15MP 10MP
Anti alias filter
Aspect ratio 3:2 1:1, 4:3 and 3:2
Maximum resolution 4672 x 3104 3648 x 2736
Maximum native ISO 2000 3200
Maximum boosted ISO 6400 -
Minimum native ISO 100 80
RAW pictures
Autofocusing
Focus manually
Autofocus touch
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect autofocus
Contract detect autofocus
Phase detect autofocus
Total focus points 11 -
Lens
Lens mount type Pentax KAF2 fixed lens
Lens zoom range - 28mm (1x)
Largest aperture - f/1.9
Macro focusing distance - 1cm
Number of lenses 151 -
Focal length multiplier 1.5 4.8
Screen
Display type Fixed Type Fixed Type
Display size 3 inches 3 inches
Resolution of display 921 thousand dot 1,230 thousand dot
Selfie friendly
Liveview
Touch capability
Display technology TFT color LCD with AR coating -
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (optional)
Viewfinder coverage 100% -
Viewfinder magnification 0.61x -
Features
Slowest shutter speed 30s 1s
Maximum shutter speed 1/8000s 1/2000s
Continuous shooting speed 5.0fps -
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation Yes Yes
Custom white balance
Image stabilization
Inbuilt flash
Flash distance 13.00 m 3.00 m
Flash options Auto, On, Off, Red-eye, Slow Sync, Rear Curtain, Wireless Auto, On, Off, Red-Eye, Slow Sync, Manual
Hot shoe
AEB
WB bracketing
Maximum flash sync 1/180s -
Exposure
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Video resolutions 1280 x 720 (30 fps), 1536 x 1024 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Maximum video resolution 1280x720 640x480
Video file format Motion JPEG Motion JPEG
Mic jack
Headphone jack
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 750 grams (1.65 lbs) 190 grams (0.42 lbs)
Dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 109 x 59 x 33mm (4.3" x 2.3" x 1.3")
DXO scores
DXO All around rating 61 not tested
DXO Color Depth rating 22.6 not tested
DXO Dynamic range rating 10.6 not tested
DXO Low light rating 536 not tested
Other
Battery life 980 images 390 images
Style of battery Battery Pack Battery Pack
Battery ID D-LI90 DB65
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse recording
Type of storage SD/SDHC/MMC SD/SDHC, Internal
Storage slots Single Single
Retail cost $599 $599