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Ricoh G900 vs Pentax S1 Comparison

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Ricoh G900

20 MP | 1/2.3" (6.17 x 4.55 mm) BSI-CMOS Sensor

Ricoh G900
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Pentax S1

14 MP | 1/2.3" (6.17 x 4.55 mm) CCD Sensor

Pentax S1
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Ricoh G900 vs Pentax S1 Comparison Overview

Here we are comparing two cameras with different body types: Ricoh G900, which was introduced in February 2018 is a Waterproof camera with a 20.0MP 1/2.3-inch sensor whereas Pentax S1, which was introduced in March 2011 is a Small Sensor Compact camera with a 14.0MP 1/2.3-inch sensor. As you can see, S1 is 7 years older than G900. Let's see if this age difference between two cameras makes a big difference.

Here is a brief look at the main features of Ricoh G900 and Pentax S1 before getting into our more detailed comparison.

Ricoh G900 Key Specs

  • Announcement Date: 2018-02-21
  • 20MP - 1/2.3-inch BSI-CMOS Sensor
  • ISO 125 - 6400
  • 28-140 mm F3.5-5.5 Zoom Lens
  • Digital only Image Stabilization
  • 3" Fixed Type Screen
  • continuous shooting
  • 4K (UHD) - 3840x2160 video resolution
  • 247g. 118 x 66 x 33 mm
  • Weather Sealed Body

Pentax S1 Key Specs

  • Announcement Date: 2011-03-02
  • 14MP - 1/2.3-inch CCD Sensor
  • ISO 80 - 6400
  • 28-140 mm F3.5-5.5 Zoom Lens
  • Sensor-shift Image Stabilization
  • 2.7" Fixed Type Screen
  • 1 fps continuous shooting
  • HD - 1280 x 720 video resolution
  • 157g. 114 x 58 x 28 mm

Let's read on the following sections in order to better understand in detail how Ricoh G900 and Pentax S1 compares and hopefully end up with enough arguments to decide which one is better for you.

Reasons to choose Ricoh G900 over Pentax Optio S1
Face Detection Focus
Yes vs No very handy for portraits
Max Sensor Resolution
20 MP vs 14 MP 42% more pixels
LCD Screen Size
3" vs 2.7" 0.3 inches larger display
LCD Screen Resolution
1.040k dots vs 230k dots 352% higher resolution screen
Max Mech. Shutter
1/4000s vs 1/1500s faster mechanical shutter
Battery Life
340 shots vs 260 shots 80 more frames with a single charge
Environmental Sealing
Yes vs No shoot at tough conditions
Timelapse Recording
Yes vs No creative shooting
Flash Coverage
5.5m vs 3.9m 1.6m longer range
Max Video Resolution
3840x2160 vs 1280 x 720 Higher Resolution Video
AE Bracketing
Yes vs No Useful for tough lighting conditions and HDR


Reasons to choose Pentax Optio S1 over Ricoh G900
Weight
157 g vs 247 g 90 g lighter
Sensor Pixel Area
2.04µm2 vs 1.39µm2 46% larger pixel area

Common Strengths of Ricoh G900 and Pentax Optio S1
Image Stabilization
Digital only vs Sensor-shift Sharper images at longer focal lengths and long exposures
Built-in Flash
Yes vs Yes Useful in low-light
Manual Focusing
Yes vs Yes both have manual focusing modes
Common Weaknesses of Ricoh G900 and Pentax Optio S1
Fixed Screen
Fixed Type vs No No flexible viewing angles
External Flash Shoe
No vs No Not suitable for flash photography
Viewfinder
None vs None No eye-level shooting option
RAW Support
No vs No Lower image quality
LCD Screen Size
3" vs 2.7" Small display
Continuous Shooting
fps vs 1.0fps Slow shooting speeds
Ricoh G900 vs Pentax S1: Physical Specs and Body features Comparison

Size and weight is a big decision factor when you are trying to find the ideal camera for your needs. In this section, We are going to illustrate Ricoh G900 and Pentax S1 side-by-side from the front, back and top in their relative dimensions. Ricoh G900 has external dimensions of 118 x 66 x 33 mm (4.65 x 2.6 x 1.3″) and weighs 247 g (0.54 lb / 8.71 oz) (including batteries). Pentax S1 has external dimensions of 114 x 58 x 28 mm (4.49 x 2.28 x 1.1″) and weighs 157 g (0.35 lb / 5.54 oz) (including batteries).

Below you can see the front view size comparison of Ricoh G900 and Pentax S1. Pentax S1 is clearly the smaller of the two cameras. Its body is 4mm narrower, 8mm shorter and 5mm thinner than Ricoh G900.

Ricoh G900 vs Pentax S1 Camera Size Comparison - Front View
Comparison image of Ricoh G900 and Pentax S1 Size, Weight and External Dimensions - Front View

Here is the back view size comparison of Ricoh G900 and Pentax S1.

Ricoh G900 vs Pentax S1 Camera Size Comparison - Back View
Comparison image of Ricoh G900 and Pentax S1 Size and Weight - Back View

Now lets look at the top view comparison of Ricoh G900 and Pentax S1.
Ricoh G900 vs Pentax S1 Camera Size Comparison - Top View
Top View Comparison image of Ricoh G900 and Pentax S1 Size

Weight is another important factor especially when deciding on a camera that you want to carry with you all day. Pentax S1 is significantly lighter (90g ) than the Ricoh G900 which may become a big advantage especially on long walking trips.

Weight Comparison

Compact Cameras

G900
S1
Min
Average
Max
Thickness Comparison

Compact Cameras

G900
S1
Min
Average
Max

Weather Sealing

LCD Screen Size and Features

Ricoh G900's 3" LCD screen is slightly larger than Pentax S1's 2.7" screen.

Unfortunately, both cameras has fixed screens so they don't tilt or flip in directions.
Ricoh G900 vs Pentax S1: Sensor Comparison

Ricoh G900 has a 20.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized BSI-CMOS sensor . On the other hand, Pentax S1 has a 14.0MP 1/2.3-inch (6.17 x 4.55 mm ) sized CCD sensor .

Ricoh G900's sensor provides 6MP more than Pentax S1's sensor, which gives a significant advantage in real life. You can print your images larger or crop more freely. On the other hand, please keep in mind that Max sensor resolution is not the only determinant of resolving power. Factors such as the optical elements, low pass filter, pixel size and sensor technology also affects the final resolution of the captured image.

Below you can see the G900 and S1 sensor size comparison.

Ricoh G900 vs Pentax S1 Sensor Size Comparison
Sensor Size and Resolution Comparison image of Ricoh G900 and Pentax S1 Cameras


Ricoh G900 and Pentax S1 have sensor sizes so they will provide same level of control over the depth of field when used with same focal length and aperture. On the other hand, since Pentax S1 has 46% larger pixel area (2.04µm2 vs 1.39µm2) compared to Ricoh G900, it has larger pixel area to collect light hence potential to have less noise in low light / High ISO images.

Ricoh G900 vs Pentax S1 Lens Specs Comparison

Ricoh G900 and Pentax S1 features 28-140 mm F3.5-5.5 5x zoom lenses so they have the same focal range and light collecting ability.

Both cameras have a wide angle coverage of 28mm and have the same max aperture of f3.50 at this focal length. Both cameras have a tele angle reach of 140mm and have the same max aperture of f5.50 at this focal length.

Wide Coverage

Compact Cameras

G900
S1
Widest - Ricoh WG-M1
Average
Telezoom

Compact Cameras

G900
S1
Longest - Canon SX520 HS
Average
Max Aperture at Tele

Compact Cameras

G900
S1
Fastest - Ricoh GR Digital IV
Average
Max Aperture at Wide

Compact Cameras

G900
S1
Fastest - Leica D-Lux 6
Average
What types of Photography are Ricoh G900 and Pentax S1 Good for?
In this section, we rank and compare Ricoh G900 and Pentax S1 for five different photography types in order to make your decision process easier in case you are specifically interested in one or more of these areas.

Ricoh G900 for Portrait Photography

POOR

Pentax S1 for Portrait Photography

POOR
Very High Resolution Sensor: 20.0MP
Image Stabilization
Manual Focus Mode
Small 1/2.3" (6.17 x 4.55 mm) sensor
No RAW shooting capability
No External Flash Shoe
No Built-in Viewfinder
No Manual Exposure Mode
Not so good Ergonomics&Handling
Read the details
Image Stabilization
Manual Focus Mode
Average Resolution Sensor: 14.0MP
Small 1/2.3" (6.17 x 4.55 mm) sensor
No RAW shooting capability
No External Flash Shoe
No Built-in Viewfinder
No Manual Exposure Mode
Not so good Ergonomics&Handling
Read the details

Ricoh G900 for Street Photography

GOOD

Pentax S1 for Street Photography

GOOD
Image Stabilization
Manual Focus Mode
Small Body
Live-view
Face-Detection Focusing
28 mm - Good Wide Angle Coverage
Small 1/2.3" (6.17 x 4.55 mm) sensor
No RAW shooting capability
No Built-in Viewfinder
Read the details
Image Stabilization
Manual Focus Mode
Small Body
Live-view
28 mm - Good Wide Angle Coverage
Small 1/2.3" (6.17 x 4.55 mm) sensor
No RAW shooting capability
No Built-in Viewfinder
Read the details

Ricoh G900 for Sports Photography

POOR

Pentax S1 for Sports Photography

POOR
Image Stabilization
Manual Focus Mode
Environmental Sealings
Fast Max shutter speed: 1/4000s
140 mm Tele Lens
No RAW shooting capability
No External Flash Shoe
No Built-in Viewfinder
No Manual Exposure Mode
Not so good Ergonomics&Handling
9 Focus Points
Read the details
Image Stabilization
Manual Focus Mode
140 mm Tele Lens
No RAW shooting capability
No External Flash Shoe
No Built-in Viewfinder
No Manual Exposure Mode
Not so good Ergonomics&Handling
Slow Continuous Shooting: 1.0fps
Environmental Sealings
Slow Max shutter speed: 1/1500s
9 Focus Points
Poor Battery Life: 260 shots
Read the details

Ricoh G900 for Daily Photography

GOOD

Pentax S1 for Daily Photography

AVERAGE
Compact Body
Environmental Sealings
247g
5.0X Optical Zoom
Small 1/2.3" (6.17 x 4.55 mm) sensor
No RAW shooting capability
Read the details
Compact Body
157g
5.0X Optical Zoom
Small 1/2.3" (6.17 x 4.55 mm) sensor
No RAW shooting capability
Read the details

Ricoh G900 for Landscape Photography

POOR

Pentax S1 for Landscape Photography

POOR
Very High Resolution Sensor: 20.0MP
Manual Focus Mode
28 mm - Good Wide Angle Coverage
Environmental Sealings
Small 1/2.3" (6.17 x 4.55 mm) sensor
No RAW shooting capability
No Manual Exposure Mode
Read the details
Manual Focus Mode
28 mm - Good Wide Angle Coverage
Average Resolution Sensor: 14.0MP
Small 1/2.3" (6.17 x 4.55 mm) sensor
No RAW shooting capability
No Manual Exposure Mode
No Environmental Sealings
Read the details

Ricoh G900 vs Pentax S1: OUR DECISION

You may have already made your decision about which camera suits better for your needs and your budget so far but in case you wonder how we rated Ricoh G900 and Pentax S1, below you can find their scores in five different aspects. Our Decision Algorithm dynamically scores cameras using 63 different specs, current price and DxO Mark scores (where possible) in order to make a more objective and consistent comparison.

Here is a summary of how Ricoh G900 and Pentax S1 scores compare:

Ricoh G900
Imaging
Features
Value
Portability
Overall
Ranked #71 out of 475 in Compact cameras
Ranked #514 out of 1226 in all Cameras
Pentax S1
Imaging
Features
Value
Portability
Overall
Ranked #250 out of 475 in Compact cameras
Ranked #849 out of 1226 in all Cameras

Ricoh G900 is the overall winner of this comparison. It has a higher Overall Score and beats Pentax S1 in all criteria except one: Portability. But the size difference between these cameras are negligible in real world so it is not a big disadvantage for Ricoh G900.

Ricoh G900
Ricoh G900
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Pentax S1
Pentax S1
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Pentax S1 vs Ricoh G900 Specs Table
Detailed comparison of specifications
General Ricoh G900 Pentax Optio S1
Brand Ricoh Pentax
Announced 2018-02-21 2011-03-02
Body Type Compact Compact
Sensor
Type BSI-CMOS CCD
Size 1/2.3-inch 1/2.3-inch
Dimensions 6.17 x 4.55 mm 6.17 x 4.55 mm
Area 28.07mm2 28.07mm2
Megapixels 20 megapixels 14 megapixels
Max Resolution 5184 x 3888 4288 x 3216
Max Native Light sensitivity 6,400 ISO 6,400 ISO
Min Native Light sensitivity 125 ISO 80 ISO
RAW Support
Autofocus
AF Touch
AF Continuous
AF Single
AF Tracking
AF Selective
AF Center
AF Multi Area
AF Live View
AF Face Detection
AF Contrast Detection
AF Phase Detection
Number of Focus Points 9 9
Lens
Manual Focus
Lens Mount fixed lens fixed lens
Lens Focal Range 28-140 mm (5x) 28-140 mm (5×)
Max Aperture F3.5-5.5 F3.5-5.5
Macro Focus Range 1cm 1cm
Screen
Type Fixed type Fixed type
Size 3" 2.7"
Resolution 1,040k dots 230k dots
Touch Screen
Viewfinder
Viewfinder None None
Photography Features
Max Mechanical Shutter 1/4000s 1/1500s
Shutter Priority
Aperture Priority
Manual Exposure Mode
Custom White Balance
Image Stabilization Digital only Sensor-shift
Built-in Flash
Flash Range 5.50 m (with Auto ISO) 3.90 m
External Flash
Continuous Shooting n/a 1.0 fps
Multi-Segment
Average
Spot
Partial
AF-Area
Center Weighted
AE Bracketing
WB Bracketing
Video Features
Max Video Resolution 3840x2160 1280 x 720
Video Formats MPEG-4, H.264 Motion JPEG
Microphone Port
Headphone Port
Connectivity
Wireless Connectivity Supports FlashAir SD cards None
HDMI
Physical
Environmental Sealing
Weight 247g 157g
Dimensions 118 x 66 x 33mm 114 x 58 x 28mm
Battery Life 340 shots 260 shots
Other Features
Timelapse Recording
GPS Built-in None
DxO Sensor Scores
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