Pentax E70 vs Ricoh GR Digital III
94 Imaging
32 Features
11 Overall
23


92 Imaging
33 Features
35 Overall
33
Pentax E70 vs Ricoh GR Digital III Key Specs
(Full Review)
- 10MP - 1/2.3" Sensor
- 2.4" Fixed Screen
- ISO 64 - 6400
- 1280 x 720 video
- 35-105mm (F3.1-5.9) lens
- 175g - 94 x 61 x 26mm
- Revealed January 2009
(Full Review)
- 10MP - 1/1.7" Sensor
- 3" Fixed Display
- ISO 64 - 1600
- 640 x 480 video
- 28mm (F1.9) lens
- 208g - 109 x 59 x 26mm
- Introduced July 2009
- Successor is Ricoh GR Digital IV

Pentax E70 vs Ricoh GR Digital III Overview
In this article, we are reviewing the Pentax E70 versus Ricoh GR Digital III, both Small Sensor Compact cameras by companies Pentax and Ricoh. The image resolution of the E70 (10MP) and the GR Digital III (10MP) is fairly comparable but the E70 (1/2.3") and GR Digital III (1/1.7") enjoy different sensor sizing.

The E70 was revealed 6 months prior to the GR Digital III which means that they are both of a similar generation. The two cameras offer the identical body type (Compact).
Before diving through a in depth comparison, below is a brief summation of how the E70 matches up against the GR Digital III with regard to portability, imaging, features and an overall rating.

Pentax E70 vs Ricoh GR Digital III Gallery
Here is a sample of the gallery pictures for Pentax Optio E70 and Ricoh GR Digital III. The full galleries are available at Pentax E70 Gallery and Ricoh GR Digital III Gallery.
Reasons to pick Pentax E70 over the Ricoh GR Digital III
E70 | GR Digital III |
---|
Reasons to pick Ricoh GR Digital III over the Pentax E70
GR Digital III | E70 | |||
---|---|---|---|---|
Manually focus | ![]() | Dial accurate focus | ||
Display sizing | 3" | ![]() | 2.4" | Larger display (+0.6") |
Display resolution | 920k | ![]() | 112k | Crisper display (+808k dot) |
Common features in the Pentax E70 and Ricoh GR Digital III
E70 | GR Digital III | |||
---|---|---|---|---|
Introduced | January 2009 | ![]() | July 2009 | Same generation |
Display type | Fixed | ![]() | Fixed | Fixed display |
Selfie screen | ![]() | Neither contains selfie screen | ||
Touch friendly display | ![]() | No Touch friendly display |
Pentax E70 vs Ricoh GR Digital III Physical Comparison
If you're planning to carry your camera, you will want to think about its weight and volume. The Pentax E70 has got outside measurements of 94mm x 61mm x 26mm (3.7" x 2.4" x 1.0") along with a weight of 175 grams (0.39 lbs) whilst the Ricoh GR Digital III has sizing of 109mm x 59mm x 26mm (4.3" x 2.3" x 1.0") and a weight of 208 grams (0.46 lbs).
Contrast the Pentax E70 versus Ricoh GR Digital III in the latest Camera with Lens Size Comparison Tool.
Take into consideration, the weight of an Interchangeable Lens Camera will change dependant on the lens you have at that moment. Following is the front view measurements comparison of the E70 versus the GR Digital III.

Taking into account dimensions and weight, the portability grade of the E70 and GR Digital III is 94 and 92 respectively.

Pentax E70 vs Ricoh GR Digital III Sensor Comparison
Sometimes, it's tough to visualize the difference in sensor sizing merely by seeing a spec sheet. The visual below will give you a greater sense of the sensor sizing in the E70 and GR Digital III.
As you can see, both of these cameras enjoy the same exact megapixels but different sensor sizing. The E70 offers the smaller sensor which should make getting shallow DOF trickier.

Pentax E70 vs Ricoh GR Digital III Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax E70 vs Ricoh GR Digital III Specifications
Pentax Optio E70 | Ricoh GR Digital III | |
---|---|---|
General Information | ||
Brand | Pentax | Ricoh |
Model type | Pentax Optio E70 | Ricoh GR Digital III |
Class | Small Sensor Compact | Small Sensor Compact |
Revealed | 2009-01-05 | 2009-07-27 |
Body design | Compact | Compact |
Sensor Information | ||
Powered by | - | GR engine III |
Sensor type | CCD | CCD |
Sensor size | 1/2.3" | 1/1.7" |
Sensor measurements | 6.08 x 4.56mm | 7.44 x 5.58mm |
Sensor surface area | 27.7mm² | 41.5mm² |
Sensor resolution | 10MP | 10MP |
Anti alias filter | ||
Aspect ratio | 4:3 and 16:9 | 1:1, 4:3 and 3:2 |
Peak resolution | 3648 x 2736 | 3648 x 2736 |
Highest native ISO | 6400 | 1600 |
Minimum native ISO | 64 | 64 |
RAW photos | ||
Autofocusing | ||
Manual focusing | ||
Touch focus | ||
Continuous AF | ||
AF single | ||
Tracking AF | ||
AF selectice | ||
Center weighted AF | ||
AF multi area | ||
Live view AF | ||
Face detection focusing | ||
Contract detection focusing | ||
Phase detection focusing | ||
Total focus points | 9 | - |
Lens | ||
Lens mount type | fixed lens | fixed lens |
Lens zoom range | 35-105mm (3.0x) | 28mm (1x) |
Max aperture | f/3.1-5.9 | f/1.9 |
Macro focusing range | 10cm | 1cm |
Crop factor | 5.9 | 4.8 |
Screen | ||
Range of screen | Fixed Type | Fixed Type |
Screen diagonal | 2.4 inches | 3 inches |
Screen resolution | 112k dot | 920k dot |
Selfie friendly | ||
Liveview | ||
Touch friendly | ||
Viewfinder Information | ||
Viewfinder | None | Optical (optional) |
Features | ||
Min shutter speed | 4s | 1s |
Max shutter speed | 1/2000s | 1/2000s |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Exposure compensation | - | Yes |
Change WB | ||
Image stabilization | ||
Integrated flash | ||
Flash distance | 3.50 m | 3.00 m |
Flash settings | - | Auto, On, Off, Red-Eye, Slow Sync, Manual |
Hot shoe | ||
AE bracketing | ||
White balance bracketing | ||
Exposure | ||
Multisegment exposure | ||
Average exposure | ||
Spot exposure | ||
Partial exposure | ||
AF area exposure | ||
Center weighted exposure | ||
Video features | ||
Supported video resolutions | 1280 x 720 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) | 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) |
Highest video resolution | 1280x720 | 640x480 |
Video data format | Motion JPEG | - |
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 proofing | ||
Dust proofing | ||
Shock proofing | ||
Crush proofing | ||
Freeze proofing | ||
Weight | 175 gr (0.39 pounds) | 208 gr (0.46 pounds) |
Dimensions | 94 x 61 x 26mm (3.7" x 2.4" x 1.0") | 109 x 59 x 26mm (4.3" x 2.3" x 1.0") |
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 ID | 2 x AA | - |
Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
Time lapse feature | ||
Storage media | SD/SDHC, Internal | SD/SDHC, Internal |
Storage slots | 1 | 1 |
Pricing at release | $140 | $399 |