Pentax RZ18 vs Sony G3
92 Imaging
39 Features
37 Overall
38
94 Imaging
33 Features
30 Overall
31
Pentax RZ18 vs Sony G3 Key Specs
(Full Review)
- 16MP - 1/2.3" Sensor
- 3" Fixed Display
- ISO 80 - 6400
- Sensor-shift Image Stabilization
- 1280 x 720 video
- 25-450mm (F3.5-5.9) lens
- 178g - 97 x 61 x 33mm
- Revealed September 2011
(Full Review)
- 10MP - 1/2.3" Sensor
- 3.5" Fixed Display
- ISO 80 - 3200
- Optical Image Stabilization
- 640 x 480 video
- 35-140mm (F3.5-10.0) lens
- 185g - 97 x 59 x 22mm
- Revealed January 2009
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Following is a extended analysis of the Pentax RZ18 vs Sony G3, former is a Small Sensor Superzoom while the other is a Small Sensor Compact by brands Pentax and Sony. There exists a large gap between the resolutions of the RZ18 (16MP) and G3 (10MP) but both cameras have the same sensor size (1/2.3").
Samsung Releases Faster Versions of EVO MicroSD CardsThe RZ18 was brought out 2 years after the G3 which is quite a serious difference as far as technology is concerned. The two cameras have the same body design (Compact).
Before getting into a complete comparison, here is a brief overview of how the RZ18 scores versus the G3 for portability, imaging, features and an overall score.
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Following is a sample of the gallery pictures for Pentax Optio RZ18 & Sony Cyber-shot DSC-G3. The entire galleries are available at Pentax RZ18 Gallery & Sony G3 Gallery.
Reasons to pick Pentax RZ18 over the Sony G3
| RZ18 | G3 | |||
|---|---|---|---|---|
| Revealed | September 2011 |  | January 2009 | More modern by 33 months |
Reasons to pick Sony G3 over the Pentax RZ18
| G3 | RZ18 | |||
|---|---|---|---|---|
| Display dimensions | 3.5" |  | 3" | Larger display (+0.5") |
| Display resolution | 921k |  | 460k | Crisper display (+461k dot) |
| Touch friendly display |  | Easily navigate |
Common features in the Pentax RZ18 and Sony G3
| RZ18 | G3 | |||
|---|---|---|---|---|
| Manual focus |  | Very precise focusing | ||
| Display type | Fixed |  | Fixed | Fixed display |
| Selfie screen |  | Neither contains selfie screen |
Pentax RZ18 vs Sony G3 Physical Comparison
When you are looking to carry around your camera frequently, you should take into account its weight and volume. The Pentax RZ18 has got outside dimensions of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") with a weight of 178 grams (0.39 lbs) whilst the Sony G3 has sizing of 97mm x 59mm x 22mm (3.8" x 2.3" x 0.9") with a weight of 185 grams (0.41 lbs).
Contrast the Pentax RZ18 vs Sony G3 in our brand new Camera plus Lens Size Comparison Tool.
Do not forget, the weight of an ILC will differ based on the lens you are employing at that moment. The following is a front view overall size comparison of the RZ18 versus the G3.
Taking into account dimensions and weight, the portability grade of the RZ18 and G3 is 92 and 94 respectively.
Pentax RZ18 vs Sony G3 Sensor Comparison
Quite often, it can be hard to visualise the gap between sensor sizes just by checking a spec sheet. The picture here will offer you a clearer sense of the sensor sizes in the RZ18 and G3.
As you can see, both cameras provide the same sensor dimensions but not the same resolution. You can anticipate the Pentax RZ18 to give extra detail having its extra 6 Megapixels. Greater resolution can also let you crop photos more aggressively. The younger RZ18 will have a benefit in sensor innovation.
Pentax RZ18 vs Sony G3 Screen and ViewFinder
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Pentax RZ18 vs Sony G3 Specifications
| Pentax Optio RZ18 | Sony Cyber-shot DSC-G3 | |
|---|---|---|
| General Information | ||
| Manufacturer | Pentax | Sony |
| Model | Pentax Optio RZ18 | Sony Cyber-shot DSC-G3 |
| Category | Small Sensor Superzoom | Small Sensor Compact |
| Revealed | 2011-09-12 | 2009-01-08 |
| Physical type | Compact | Compact |
| Sensor Information | ||
| Sensor type | CCD | CCD |
| Sensor size | 1/2.3" | 1/2.3" |
| Sensor dimensions | 6.08 x 4.56mm | 6.17 x 4.55mm |
| Sensor area | 27.7mm² | 28.1mm² |
| Sensor resolution | 16 megapixel | 10 megapixel |
| Anti aliasing filter | ||
| Aspect ratio | 1:1, 4:3 and 16:9 | 4:3, 3:2 and 16:9 |
| Max resolution | 4608 x 3456 | 3648 x 2736 |
| Max native ISO | 6400 | 3200 |
| Minimum native ISO | 80 | 80 |
| RAW images | ||
| Autofocusing | ||
| Manual focus | ||
| Touch focus | ||
| Continuous autofocus | ||
| Single autofocus | ||
| Autofocus tracking | ||
| Autofocus selectice | ||
| Center weighted autofocus | ||
| Autofocus multi area | ||
| Live view autofocus | ||
| Face detect focus | ||
| Contract detect focus | ||
| Phase detect focus | ||
| Number of focus points | 9 | 9 |
| Lens | ||
| Lens mount | fixed lens | fixed lens |
| Lens focal range | 25-450mm (18.0x) | 35-140mm (4.0x) |
| Max aperture | f/3.5-5.9 | f/3.5-10.0 |
| Macro focus range | 4cm | - |
| Crop factor | 5.9 | 5.8 |
| Screen | ||
| Display type | Fixed Type | Fixed Type |
| Display size | 3 inches | 3.5 inches |
| Resolution of display | 460 thousand dots | 921 thousand dots |
| Selfie friendly | ||
| Liveview | ||
| Touch screen | ||
| Display technology | TFT color LCD with Anti-reflective coating | - |
| Viewfinder Information | ||
| Viewfinder | None | None |
| Features | ||
| Min shutter speed | 4 seconds | 1 seconds |
| Max shutter speed | 1/2000 seconds | 1/1000 seconds |
| Continuous shutter rate | 1.0 frames per sec | 2.0 frames per sec |
| Shutter priority | ||
| Aperture priority | ||
| Manual mode | ||
| Change white balance | ||
| Image stabilization | ||
| Built-in flash | ||
| Flash range | 2.80 m | 4.30 m (Auto ISO) |
| Flash options | Auto, On, Off, Red-eye, Soft | Auto, On, Off, Red-Eye reduction, Slow Sync |
| Hot shoe | ||
| AE bracketing | ||
| WB bracketing | ||
| Exposure | ||
| Multisegment | ||
| Average | ||
| Spot | ||
| Partial | ||
| AF area | ||
| Center weighted | ||
| Video features | ||
| Video resolutions | 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) | 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps) |
| Max video resolution | 1280x720 | 640x480 |
| Video data format | Motion JPEG | Motion JPEG |
| Mic port | ||
| Headphone port | ||
| Connectivity | ||
| Wireless | Eye-Fi Connected | None |
| Bluetooth | ||
| NFC | ||
| HDMI | ||
| USB | USB 2.0 (480 Mbit/sec) | USB 2.0 (480 Mbit/sec) |
| GPS | None | None |
| Physical | ||
| Environment sealing | ||
| Water proof | ||
| Dust proof | ||
| Shock proof | ||
| Crush proof | ||
| Freeze proof | ||
| Weight | 178 grams (0.39 lbs) | 185 grams (0.41 lbs) |
| Physical dimensions | 97 x 61 x 33mm (3.8" x 2.4" x 1.3") | 97 x 59 x 22mm (3.8" x 2.3" x 0.9") |
| 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 model | D-LI92 | - |
| Self timer | Yes (2 or 10 sec) | Yes (2 or 10 sec) |
| Time lapse recording | ||
| Type of storage | SD/SDHC/SDXC, Internal | Memory Stick Duo/Pro Duo, Internal |
| Card slots | One | One |
| Cost at release | $210 | $200 |