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Olympus FE-25 vs Pentax K-S1

Portability
98
Imaging
33
Features
11
Overall
24
Olympus FE-25 front
 
Pentax K-S1 front
Portability
69
Imaging
63
Features
70
Overall
65

Olympus FE-25 vs Pentax K-S1 Key Specs

Olympus FE-25
(Full Review)
  • 10MP - 1/2.3" Sensor
  • 2.4" Fixed Display
  • ISO 100 - 0
  • No Video
  • ()mm (F) lens
  • n/ag - 93 x 62 x 24mm
  • Introduced January 2009
Pentax K-S1
(Full Review)
  • 20MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 51200
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 558g - 121 x 93 x 70mm
  • Announced August 2014
  • Successor is Pentax K-S2
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Olympus FE-25 vs Pentax K-S1 Overview

In this article, we are looking at the Olympus FE-25 vs Pentax K-S1, former is a Ultracompact while the other is a Advanced DSLR by rivals Olympus and Pentax. There is a noticeable difference among the image resolutions of the FE-25 (10MP) and K-S1 (20MP) and the FE-25 (1/2.3") and K-S1 (APS-C) enjoy different sensor sizing.

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The FE-25 was announced 6 years earlier than the K-S1 which is a fairly sizable difference as far as camera tech is concerned. Each of these cameras offer different body type with the Olympus FE-25 being a Ultracompact camera and the Pentax K-S1 being a Mid-size SLR camera.

Before we go in to a comprehensive comparison, below is a simple summation of how the FE-25 grades against the K-S1 when it comes to portability, imaging, features and an overall mark.

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Reasons to pick Olympus FE-25 over the Pentax K-S1

 FE-25 K-S1 

Reasons to pick Pentax K-S1 over the Olympus FE-25

 K-S1 FE-25 
AnnouncedAugust 2014January 2009Newer by 68 months
Manually focus Dial precise focus
Display sizing3"2.4"Larger display (+0.6")
Display resolution921k112kCrisper display (+809k dot)

Common features in the Olympus FE-25 and Pentax K-S1

 FE-25 K-S1 
Display typeFixed Fixed Fixed display
Selfie screen Neither has selfie screen
Touch display Neither has Touch display

Olympus FE-25 vs Pentax K-S1 Physical Comparison

For anybody who is looking to travel with your camera regularly, you have to take into account its weight and volume. The Olympus FE-25 has physical dimensions of 93mm x 62mm x 24mm (3.7" x 2.4" x 0.9") having a weight of n/a grams (0.00 lbs) while the Pentax K-S1 has sizing of 121mm x 93mm x 70mm (4.8" x 3.7" x 2.8") having a weight of 558 grams (1.23 lbs).

Examine the Olympus FE-25 vs Pentax K-S1 in our brand new Camera plus Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into account, the weight of an ILC will differ based on the lens you are utilizing at the time. Underneath is the front view sizing comparison of the FE-25 compared to the K-S1.

Olympus FE-25 vs Pentax K-S1 size comparison

Factoring in size and weight, the portability score of the FE-25 and K-S1 is 98 and 69 respectively.

Olympus FE-25 vs Pentax K-S1 top view buttons comparison

Olympus FE-25 vs Pentax K-S1 Sensor Comparison

In many cases, it's difficult to visualize the contrast in sensor dimensions only by researching specifications. The picture below will offer you a clearer sense of the sensor dimensions in the FE-25 and K-S1.

Plainly, both of those cameras offer different megapixel count and different sensor dimensions. The FE-25 having a smaller sensor is going to make getting shallow DOF harder and the Pentax K-S1 will result in more detail with its extra 10 Megapixels. Greater resolution will also help you crop photos a little more aggressively. The more aged FE-25 will be disadvantaged with regard to sensor technology.

Olympus FE-25 vs Pentax K-S1 sensor size comparison

Olympus FE-25 vs Pentax K-S1 Screen and ViewFinder

Olympus FE-25 vs Pentax K-S1 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Olympus FE-25 Portrait photography info
Pentax K-S1 Portrait photography info
19
manual focus not available
manual exposure not possible
external flash not possible
sensor resolution low (10 megapixels)
sensor is tiny (1/2.3")
doesn't have RAW files
77
has manual focus
resolution is good (20MP)
sensor size is nice (APS-C)
supports face detect focus
saves RAW formats
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Street Comparison

Olympus FE-25 Street photography advice
Pentax K-S1 Street photography advice
48
no moving screen
lack of image stabilization
sensor is tiny (1/2.3")
doesn't have RAW files
maximum ISO low (0)
73
built in image stabilization (Sensor based)
sensor size is nice (APS-C)
saves RAW formats
lighter than competition in class (558 grams)
good ISO range (51,200)
fixed screen
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Sports Comparison

Sports photography with Olympus FE-25
Sports photography with Pentax K-S1
16
fixed focal length (()mm)
lack of shutter priority mode
lack of image stabilization
sensor resolution low (10MP)
sensor is tiny (1/2.3")
doesn't have phase detect autofocus
69
max shutter speed is good (1/6,000 seconds)
built in image stabilization (Sensor based)
resolution is good (20 megapixels)
sensor size is nice (APS-C)
supports tracking focus
has phase detect auto focus
continuous shooting slow (5.4 frames/s)
terrible battery (410 per charge)
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Travel Comparison

Olympus FE-25 Travel photography info
Pentax K-S1 Travel photography info
61
has built in flash
great maximum aperture (f)
missing Time Lapse function
sensor resolution low (10MP)
display isn't selfie friendly
60
lighter than competition in class (558g)
resolution is good (20MP)
has built in flash
lack of Time Lapse recording
terrible battery (410 CIPA)
display is not selfie friendly
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Landscape Comparison

Olympus FE-25 Landscape photography advice
Pentax K-S1 Landscape photography advice
27
great maximum aperture (f)
manual focus not available
fixed lens (fixed lens mount)
fixed focal length (()mm)
tiny screen (2.4")
manual exposure not possible
lack of image stabilization
sensor resolution low (10MP)
sensor is tiny (1/2.3")
maximum ISO low (0)
doesn't have RAW files
missing Time Lapse function
73
has manual focus
interchangeable lenses (Pentax KAF2 mount)
good sized screen (3")
built in image stabilization (Sensor based)
resolution is good (20MP)
sensor size is nice (APS-C)
doesnt have low pass filter
good ISO range (51,200)
saves RAW formats
terrible battery (410 per charge)
lack of Time Lapse recording
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Vlogging Comparison

Olympus FE-25 Vlogging highlights
Pentax K-S1 Vlogging highlights
9
can't shoot video
33
built in image stabilization (Sensor based)
supports face detect focus
great video quality (1920 x 1080 pxls)
lighter than competition in class (558 grams)
display is not selfie friendly
lack of mic jack
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Olympus FE-25 vs Pentax K-S1 Specifications

Detailed spec comparison table for Olympus FE-25 and Pentax K-S1
 Olympus FE-25Pentax K-S1
General Information
Brand Name Olympus Pentax
Model type Olympus FE-25 Pentax K-S1
Category Ultracompact Advanced DSLR
Introduced 2009-01-07 2014-08-27
Body design Ultracompact Mid-size SLR
Sensor Information
Processor - Prime MII
Sensor type CCD CMOS
Sensor size 1/2.3" APS-C
Sensor dimensions 6.08 x 4.56mm 23.5 x 15.6mm
Sensor surface area 27.7mm² 366.6mm²
Sensor resolution 10MP 20MP
Anti alias filter
Aspect ratio - 3:2
Full resolution 3648 x 2768 5472 x 3648
Max native ISO - 51200
Min native ISO 100 100
RAW images
Autofocusing
Focus manually
Touch to focus
AF continuous
Single AF
AF tracking
AF selectice
AF center weighted
Multi area AF
Live view AF
Face detect focusing
Contract detect focusing
Phase detect focusing
Total focus points - 11
Lens
Lens mount type fixed lens Pentax KAF2
Lens zoom range () -
Available lenses - 151
Focal length multiplier 5.9 1.5
Screen
Display type Fixed Type Fixed Type
Display size 2.4" 3"
Resolution of display 112k dot 921k dot
Selfie friendly
Liveview
Touch functionality
Viewfinder Information
Viewfinder type None Optical (pentaprism)
Viewfinder coverage - 100 percent
Viewfinder magnification - 0.64x
Features
Slowest shutter speed 4 secs 30 secs
Maximum shutter speed 1/2000 secs 1/6000 secs
Continuous shooting speed - 5.4fps
Shutter priority
Aperture priority
Manually set exposure
Exposure compensation - Yes
Custom WB
Image stabilization
Integrated flash
Flash distance - 10.00 m (at ISO 100)
Flash modes - Auto, auto + redeye, on, on + redeye reduction, slow sync, trailing curtain sync, manual
External flash
AE bracketing
WB bracketing
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions - 1920 x 1080 (30,25,24 fps), 1280 x 720 (60,50 fps)
Max video resolution None 1920x1080
Video data format Motion JPEG H.264
Mic input
Headphone input
Connectivity
Wireless None Eye-Fi Connected
Bluetooth
NFC
HDMI
USB none USB 2.0 (480 Mbit/sec)
GPS None Optional
Physical
Environmental seal
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
Weight - 558g (1.23 lbs)
Dimensions 93 x 62 x 24mm (3.7" x 2.4" x 0.9") 121 x 93 x 70mm (4.8" x 3.7" x 2.8")
DXO scores
DXO All around rating not tested 78
DXO Color Depth rating not tested 23.5
DXO Dynamic range rating not tested 13.0
DXO Low light rating not tested 1061
Other
Battery life - 410 shots
Battery format - Battery Pack
Battery ID - D-LI109
Self timer - Yes ( 2 or 12 seconds)
Time lapse shooting
Type of storage - SD/SDHC/SDXC
Storage slots Single Single
Cost at launch $15 $339