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Panasonic G2 vs Pentax RZ18

Portability
72
Imaging
47
Features
60
Overall
52
Panasonic Lumix DMC-G2 front
 
Pentax Optio RZ18 front
Portability
92
Imaging
39
Features
37
Overall
38

Panasonic G2 vs Pentax RZ18 Key Specs

Panasonic G2
(Full Review)
  • 12MP - Four Thirds Sensor
  • 3" Fully Articulated Screen
  • ISO 100 - 6400
  • 1280 x 720 video
  • Micro Four Thirds Mount
  • 428g - 124 x 84 x 74mm
  • Launched July 2010
  • Succeeded the Panasonic G1
  • New Model is Panasonic G3
Pentax RZ18
(Full Review)
  • 16MP - 1/2.3" Sensor
  • 3" Fixed Screen
  • ISO 80 - 6400
  • Sensor-shift Image Stabilization
  • 1280 x 720 video
  • 25-450mm (F3.5-5.9) lens
  • 178g - 97 x 61 x 33mm
  • Introduced September 2011
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Panasonic G2 vs Pentax RZ18 Overview

Here, we will be matching up the Panasonic G2 and Pentax RZ18, one being a Entry-Level Mirrorless and the latter is a Small Sensor Superzoom by manufacturers Panasonic and Pentax. There is a huge difference between the sensor resolutions of the G2 (12MP) and RZ18 (16MP) and the G2 (Four Thirds) and RZ18 (1/2.3") boast different sensor dimensions.

Photography Glossary

The G2 was unveiled 14 months earlier than the RZ18 which makes them a generation apart from each other. Both of these cameras feature different body design with the Panasonic G2 being a SLR-style mirrorless camera and the Pentax RZ18 being a Compact camera.

Before diving straight to a detailed comparison, here is a short view of how the G2 grades against the RZ18 for portability, imaging, features and an overall rating.

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Reasons to pick Panasonic G2 over the Pentax RZ18

 G2 RZ18 
Screen typeFully ArticulatedFixed Fully Articulating screen
Selfie screen Take selfies
Touch screen Quickly navigate

Reasons to pick Pentax RZ18 over the Panasonic G2

 RZ18 G2 
IntroducedSeptember 2011July 2010Fresher by 14 months

Common features in the Panasonic G2 and Pentax RZ18

 G2 RZ18 
Manually focus More exact focus
Screen size3"3"Same screen sizing
Screen resolution460k460kExact same screen resolution

Panasonic G2 vs Pentax RZ18 Physical Comparison

In case you're aiming to carry your camera, you need to consider its weight and size. The Panasonic G2 has exterior dimensions of 124mm x 84mm x 74mm (4.9" x 3.3" x 2.9") along with a weight of 428 grams (0.94 lbs) while the Pentax RZ18 has specifications of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") along with a weight of 178 grams (0.39 lbs).

Check the Panasonic G2 and Pentax RZ18 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will change based on the lens you use at that moment. The following is a front view measurements comparison of the G2 versus the RZ18.

Panasonic G2 vs Pentax RZ18 size comparison

Taking into consideration size and weight, the portability grade of the G2 and RZ18 is 72 and 92 respectively.

Panasonic G2 vs Pentax RZ18 top view buttons comparison

Panasonic G2 vs Pentax RZ18 Sensor Comparison

Usually, it's hard to picture the contrast between sensor sizing just by reading specifications. The graphic below may give you a far better sense of the sensor dimensions in the G2 and RZ18.

To sum up, the 2 cameras feature different megapixels and different sensor sizing. The G2 with its bigger sensor is going to make achieving shallower DOF simpler and the Pentax RZ18 will offer you extra detail having an extra 4MP. Higher resolution will let you crop shots way more aggressively. The older G2 is going to be behind with regard to sensor technology.

Panasonic G2 vs Pentax RZ18 sensor size comparison

Panasonic G2 vs Pentax RZ18 Screen and ViewFinder

Panasonic G2 vs Pentax RZ18 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Panasonic G2 Portrait photography information
Pentax RZ18 Portrait photography information
60
focusing manually
decent sensor size (Four Thirds)
includes face detect autofocus
exports RAW files
sensor resolution low (12 megapixels)
36
has manual focus
decent sensor resolution (16 megapixels)
no manual exposure
cannot use external flash
sensor is tiny (1/2.3")
no RAW support
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Street Comparison

Street photography with Panasonic G2
Street photography with Pentax RZ18
65
fully articulated screen
decent sensor size (Four Thirds)
exports RAW files
includes focus by touch
does not have image stabilization
more heavy than average in class (428g)
65
built in image stabilization (Sensor-shift)
weather proof
lighter than others in class (178 grams)
screen does not articulate
sensor is tiny (1/2.3")
no RAW support
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Sports Comparison

Sports photography with Panasonic G2
Sports photography with Pentax RZ18
40
decent sensor size (Four Thirds)
includes tracking focus
slow continuous shooting (3.0 frames/s)
does not have image stabilization
sensor resolution low (12MP)
has no phase detect autofocus
47
incredible zoom range (25-450mm 18.0 x zoom)
built in image stabilization (Sensor-shift)
decent sensor resolution (16MP)
comes with tracking autofocus
weather proof
slow continuous shooting (1.0 frames per second)
lack of shutter priority mode
sensor is tiny (1/2.3")
no phase detect auto focus
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Travel Comparison

Panasonic G2 Travel photography information
Pentax RZ18 Travel photography information
58
includes focus by touch
built-in flash
selfie friendly screen
no Timelapse function
more heavy than average in class (428g)
sensor resolution low (12 megapixels)
71
lighter than others in class (178g)
weather proof
decent sensor resolution (16 megapixels)
flash built-in
reasonably wide (25mm)
very long reach (450mm)
doesn't have Timelapse mode
screen is not selfie friendly
slow max aperture (f3.5)
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Landscape Comparison

Panasonic G2 Landscape photography advice
Pentax RZ18 Landscape photography advice
57
focusing manually
change lenses (Micro Four Thirds mount)
screen is a decent size (3 inch)
decent sensor size (Four Thirds)
exports RAW files
does not have image stabilization
sensor resolution low (12 megapixels)
no Timelapse function
49
has manual focus
reasonably wide (25mm)
pretty good screen size (3 inches)
built in image stabilization (Sensor-shift)
decent sensor resolution (16MP)
weather proof
lens is fixed (fixed lens mount)
slow max aperture (f3.5)
no manual exposure
sensor is tiny (1/2.3")
no RAW support
doesn't have Timelapse mode
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Vlogging Comparison

Panasonic G2 Vlogging details
Pentax RZ18 Vlogging details
61
selfie friendly screen
built-in touchscreen
includes face detect autofocus
has microphone support
does not have image stabilization
video quality not great (1280 x 720 pixels)
more heavy than average in class (428 grams)
30
reasonably wide (25mm)
built in image stabilization (Sensor-shift)
lighter than others in class (178g)
slow max aperture (f3.5)
screen is not selfie friendly
video res low (1280 x 720 pixels)
doesn't have external microphone socket
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Panasonic G2 vs Pentax RZ18 Specifications

Detailed spec comparison table for Panasonic G2 and Pentax RZ18
 Panasonic Lumix DMC-G2Pentax Optio RZ18
General Information
Company Panasonic Pentax
Model type Panasonic Lumix DMC-G2 Pentax Optio RZ18
Category Entry-Level Mirrorless Small Sensor Superzoom
Launched 2010-07-12 2011-09-12
Physical type SLR-style mirrorless Compact
Sensor Information
Chip Venus Engine HD II -
Sensor type CMOS CCD
Sensor size Four Thirds 1/2.3"
Sensor measurements 17.3 x 13mm 6.08 x 4.56mm
Sensor surface area 224.9mm² 27.7mm²
Sensor resolution 12 megapixel 16 megapixel
Anti alias filter
Aspect ratio 1:1, 4:3, 3:2 and 16:9 1:1, 4:3 and 16:9
Full resolution 4000 x 3000 4608 x 3456
Max native ISO 6400 6400
Min native ISO 100 80
RAW support
Autofocusing
Manual focusing
Autofocus touch
Autofocus continuous
Autofocus single
Tracking autofocus
Autofocus selectice
Autofocus center weighted
Multi area autofocus
Live view autofocus
Face detection focus
Contract detection focus
Phase detection focus
Total focus points - 9
Lens
Lens mount type Micro Four Thirds fixed lens
Lens zoom range - 25-450mm (18.0x)
Maximum aperture - f/3.5-5.9
Macro focusing distance - 4cm
Amount of lenses 107 -
Crop factor 2.1 5.9
Screen
Type of screen Fully Articulated Fixed Type
Screen sizing 3 inch 3 inch
Screen resolution 460 thousand dots 460 thousand dots
Selfie friendly
Liveview
Touch function
Screen tech TFT Color LCD with wide-viewing angle TFT color LCD with Anti-reflective coating
Viewfinder Information
Viewfinder type Electronic None
Viewfinder resolution 1,440 thousand dots -
Viewfinder coverage 100% -
Viewfinder magnification 0.55x -
Features
Slowest shutter speed 60 secs 4 secs
Maximum shutter speed 1/4000 secs 1/2000 secs
Continuous shooting rate 3.0 frames/s 1.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes -
Set white balance
Image stabilization
Built-in flash
Flash distance 11.00 m 2.80 m
Flash options Auto, On, Off, Red-Eye, Slow Sync Auto, On, Off, Red-eye, Soft
Hot shoe
AE bracketing
White balance bracketing
Maximum flash synchronize 1/160 secs -
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), 848 x 480 (30 fps), 640 x 480 (30 fps), 320 x 240 (30 fps) 1280 x 720 (30, 15 fps), 640 x 480 (30, 15 fps), 320 x 240 (30, 15 fps)
Max video resolution 1280x720 1280x720
Video data format AVCHD Lite, Motion JPEG Motion JPEG
Microphone port
Headphone port
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS None None
Physical
Environment sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight 428 grams (0.94 pounds) 178 grams (0.39 pounds)
Physical dimensions 124 x 84 x 74mm (4.9" x 3.3" x 2.9") 97 x 61 x 33mm (3.8" x 2.4" x 1.3")
DXO scores
DXO All around rating 53 not tested
DXO Color Depth rating 21.2 not tested
DXO Dynamic range rating 10.3 not tested
DXO Low light rating 493 not tested
Other
Battery life 360 pictures -
Battery type Battery Pack -
Battery ID - D-LI92
Self timer Yes (2 or 10 sec) Yes (2 or 10 sec)
Time lapse shooting
Storage type SD/SDHC/SDXC SD/SDHC/SDXC, Internal
Card slots One One
Price at launch $1,000 $210