Fujifilm A100 vs Pentax RZ18
95 Imaging
32 Features
14 Overall
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92 Imaging
38 Features
37 Overall
37
Fujifilm A100 vs Pentax RZ18 Key Specs
(Full Review)
- 10MP - 1/2.3" Sensor
- 2.7" Fixed Screen
- ISO 100 - 1600
- 640 x 480 video
- 36-107mm (F3.1-5.6) lens
- 124g - 92 x 61 x 22mm
- Introduced February 2009
(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
- Released September 2011

Fujifilm A100 vs Pentax RZ18 Overview
Let's take a closer look at the Fujifilm A100 versus Pentax RZ18, former is a Small Sensor Compact while the latter is a Small Sensor Superzoom by brands FujiFilm and Pentax. There exists a considerable gap among the image resolutions of the Fujifilm A100 (10MP) and RZ18 (16MP) but they use the same exact sensor dimensions (1/2.3").

The Fujifilm A100 was revealed 3 years prior to the RZ18 which is a fairly large difference as far as camera technology is concerned. The two cameras offer the identical body type (Compact).
Before getting through a more detailed comparison, below is a concise overview of how the Fujifilm A100 grades vs the RZ18 in terms of portability, imaging, features and an overall score.

Fujifilm A100 vs Pentax RZ18 Gallery
The following is a preview of the gallery photos for Fujifilm FinePix A100 & Pentax Optio RZ18. The full galleries are provided at Fujifilm A100 Gallery & Pentax RZ18 Gallery.
Reasons to pick Fujifilm A100 over the Pentax RZ18
Fujifilm A100 | RZ18 |
---|
Reasons to pick Pentax RZ18 over the Fujifilm A100
RZ18 | Fujifilm A100 | |||
---|---|---|---|---|
Released | September 2011 | ![]() | February 2009 | More modern by 31 months |
Focus manually | ![]() | Very exact focus | ||
Screen sizing | 3" | ![]() | 2.7" | Bigger screen (+0.3") |
Screen resolution | 460k | ![]() | 230k | Sharper screen (+230k dot) |
Common features in the Fujifilm A100 and Pentax RZ18
Fujifilm A100 | RZ18 | |||
---|---|---|---|---|
Screen type | Fixed | ![]() | Fixed | Fixed screen |
Selfie screen | ![]() | Neither contains selfie screen | ||
Touch friendly screen | ![]() | Neither contains Touch friendly screen |
Fujifilm A100 vs Pentax RZ18 Physical Comparison
For those who are looking to carry around your camera frequently, you'll need to factor its weight and proportions. The Fujifilm A100 has got exterior measurements of 92mm x 61mm x 22mm (3.6" x 2.4" x 0.9") having a weight of 124 grams (0.27 lbs) and the Pentax RZ18 has measurements of 97mm x 61mm x 33mm (3.8" x 2.4" x 1.3") with a weight of 178 grams (0.39 lbs).
Contrast the Fujifilm A100 versus Pentax RZ18 in our newest Camera & Lens Size Comparison Tool.
Keep in mind, the weight of an ILC will differ depending on the lens you have during that time. Here is the front view measurements comparison of the Fujifilm A100 against the RZ18.

Looking at dimensions and weight, the portability grade of the Fujifilm A100 and RZ18 is 95 and 92 respectively.

Fujifilm A100 vs Pentax RZ18 Sensor Comparison
Typically, its tough to see the contrast in sensor sizes just by checking out a spec sheet. The pic here might give you a better sense of the sensor measurements in the Fujifilm A100 and RZ18.
Clearly, both of those cameras enjoy the same exact sensor sizing albeit not the same resolution. You can count on the Pentax RZ18 to show greater detail because of its extra 6MP. Higher resolution will allow you to crop photographs far more aggressively. The more aged Fujifilm A100 will be behind when it comes to sensor tech.

Fujifilm A100 vs Pentax RZ18 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Fujifilm A100 vs Pentax RZ18 Specifications
Fujifilm FinePix A100 | Pentax Optio RZ18 | |
---|---|---|
General Information | ||
Brand | FujiFilm | Pentax |
Model | Fujifilm FinePix A100 | Pentax Optio RZ18 |
Class | Small Sensor Compact | Small Sensor Superzoom |
Introduced | 2009-02-04 | 2011-09-12 |
Physical type | Compact | Compact |
Sensor Information | ||
Sensor type | CCD | CCD |
Sensor size | 1/2.3" | 1/2.3" |
Sensor measurements | 6.17 x 4.55mm | 6.08 x 4.56mm |
Sensor area | 28.1mm² | 27.7mm² |
Sensor resolution | 10 megapixel | 16 megapixel |
Anti aliasing filter | ||
Aspect ratio | 4:3 and 3:2 | 1:1, 4:3 and 16:9 |
Highest resolution | 3648 x 2736 | 4608 x 3456 |
Highest native ISO | 1600 | 6400 |
Lowest native ISO | 100 | 80 |
RAW pictures | ||
Autofocusing | ||
Manual focus | ||
Touch focus | ||
AF continuous | ||
Single AF | ||
Tracking AF | ||
Selective AF | ||
AF center weighted | ||
Multi area AF | ||
AF live view | ||
Face detection AF | ||
Contract detection AF | ||
Phase detection AF | ||
Number of focus points | - | 9 |
Lens | ||
Lens mount | fixed lens | fixed lens |
Lens focal range | 36-107mm (3.0x) | 25-450mm (18.0x) |
Maximum aperture | f/3.1-5.6 | f/3.5-5.9 |
Macro focus distance | 5cm | 4cm |
Crop factor | 5.8 | 5.9 |
Screen | ||
Screen type | Fixed Type | Fixed Type |
Screen diagonal | 2.7 inch | 3 inch |
Screen resolution | 230k dots | 460k dots |
Selfie friendly | ||
Liveview | ||
Touch functionality | ||
Screen tech | - | TFT color LCD with Anti-reflective coating |
Viewfinder Information | ||
Viewfinder | None | None |
Features | ||
Slowest shutter speed | 8 seconds | 4 seconds |
Maximum shutter speed | 1/2000 seconds | 1/2000 seconds |
Continuous shooting rate | - | 1.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Expose Manually | ||
Set WB | ||
Image stabilization | ||
Built-in flash | ||
Flash range | 3.90 m | 2.80 m |
Flash options | Auto, On, Off, Slow sync, Red-eye reduction, Forced Flash, Suppressed Flash | Auto, On, Off, Red-eye, Soft |
External flash | ||
AEB | ||
WB bracketing | ||
Exposure | ||
Multisegment metering | ||
Average metering | ||
Spot metering | ||
Partial metering | ||
AF area metering | ||
Center weighted metering | ||
Video features | ||
Video resolutions | 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) |
Highest video resolution | 640x480 | 1280x720 |
Video format | 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 proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 124g (0.27 pounds) | 178g (0.39 pounds) |
Dimensions | 92 x 61 x 22mm (3.6" x 2.4" x 0.9") | 97 x 61 x 33mm (3.8" x 2.4" x 1.3") |
DXO scores | ||
DXO All around 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 shooting | ||
Type of storage | SD/SDHC card, Internal | SD/SDHC/SDXC, Internal |
Card slots | 1 | 1 |
Launch pricing | $0 | $210 |