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Pentax KF vs Sony A100

Portability
63
Imaging
72
Features
81
Overall
75
Pentax KF front
 
Sony Alpha DSLR-A100 front
Portability
64
Imaging
48
Features
38
Overall
44

Pentax KF vs Sony A100 Key Specs

Pentax KF
(Full Review)
  • 24MP - APS-C Sensor
  • 3.00" Fully Articulated Display
  • ISO 100 - 102400
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/6000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 684g - 126 x 93 x 74mm
  • Introduced November 2022
  • Succeeded the Pentax K-70
Sony A100
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Display
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 638g - 133 x 95 x 71mm
  • Released July 2006
  • Older Model is Konica Minolta 5D
  • Later Model is Sony A550
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Pentax KF vs Sony A100 Overview

Its time to take a deeper look at the Pentax KF versus Sony A100, both Entry-Level DSLR digital cameras by rivals Pentax and Sony. There is a sizable difference between the image resolutions of the KF (24MP) and A100 (10MP) but they feature the same exact sensor sizing (APS-C).

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The KF was revealed 16 years later than the A100 and that is quite a significant difference as far as tech is concerned. Each of these cameras offer the identical body type (Compact SLR).

Before we go in to a more detailed comparison, below is a quick summary of how the KF matches up against the A100 in terms of portability, imaging, features and an overall rating.

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Reasons to pick Pentax KF over the Sony A100

 KF A100 
ReleasedNovember 2022July 2006Fresher by 199 months
Display typeFully ArticulatedFixed Fully Articulating display
Display sizing3.00"2.5"Larger display (+0.5")
Display resolution1040k230kClearer display (+810k dot)
Selfie screen Easy selfies

Reasons to pick Sony A100 over the Pentax KF

 A100 KF 

Common features in the Pentax KF and Sony A100

 KF A100 
Manually focus Dial precise focus
Touch friendly display Lack of Touch friendly display

Pentax KF vs Sony A100 Physical Comparison

For anybody who is going to carry your camera regularly, you will want to factor its weight and measurements. The Pentax KF offers physical measurements of 126mm x 93mm x 74mm (5.0" x 3.7" x 2.9") accompanied by a weight of 684 grams (1.51 lbs) whilst the Sony A100 has proportions of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") with a weight of 638 grams (1.41 lbs).

Analyze the Pentax KF versus Sony A100 in our newest Camera & Lens Size Comparison Tool. Camera Size Comparison with Lenses

Keep in mind, the weight of an ILC will vary based on the lens you have attached at that time. Underneath is the front view dimension comparison of the KF vs the A100.

Pentax KF vs Sony A100 size comparison

Looking at size and weight, the portability rating of the KF and A100 is 63 and 64 respectively.

Pentax KF vs Sony A100 top view buttons comparison

Pentax KF vs Sony A100 Sensor Comparison

In many cases, it is tough to visualize the difference between sensor sizing purely by going over a spec sheet. The graphic below will help offer you a much better sense of the sensor sizing in the KF and A100.

As you can see, both cameras offer the same exact sensor sizing but different megapixels. You can anticipate the Pentax KF to offer you more detail because of its extra 14 Megapixels. Greater resolution can also help you crop photos a little more aggressively. The newer KF should have an edge when it comes to sensor tech.

Pentax KF vs Sony A100 sensor size comparison

Pentax KF vs Sony A100 Screen and ViewFinder

Pentax KF vs Sony A100 Screen and Viewfinder comparison
Photography Glossary

Photography Type Scores

Portrait Comparison

Pentax KF Portrait photography info
Sony A100 Portrait photography info
83
you can focus manually
megapixel count decent (24 megapixels)
nice sensor size (APS-C)
provides face detect autofocus
exports RAW files
52
manual focus
sensor size is decent (APS-C)
delivers RAW files
no liveview feature
megapixel count low (10 megapixels)
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Street Comparison

Pentax KF Street photography features
Sony A100 Street photography features
73
screen can move to multiple angles
image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW files
environment sealing
very good ISO range (102,400)
heavier than others (684 grams)
64
has image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
screen is fixed
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Sports Comparison

Pentax KF Sports photography information
Sony A100 Sports photography information
74
maximum shutter speed is high (1/6,000 seconds)
image stabilization (Sensor based)
megapixel count decent (24 megapixels)
nice sensor size (APS-C)
provides tracking focus
environment sealing
sensor has phase detect autofocus
low frames per second (6.0 frames per second)
low battery power (410 per charge)
49
has image stabilization (Sensor based)
sensor size is decent (APS-C)
comes with phase detect autofocus
no liveview feature
max fps very slow (3.0 frames/s)
megapixel count low (10 megapixels)
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Travel Comparison

Pentax KF Travel photography advice
Sony A100 Travel photography advice
66
environment sealing
megapixel count decent (24MP)
flash built-in
display is selfie friendly
low battery power (410 CIPA)
heavier than others (684g)
45
flash built-in
no Time Lapse recording
megapixel count low (10MP)
display isn't selfie friendly
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Landscape Comparison

Pentax KF Landscape photography details
Sony A100 Landscape photography details
80
you can focus manually
change lenses (Pentax KAF2 mount)
screen size is good (3.00")
image stabilization (Sensor based)
megapixel count decent (24 megapixels)
nice sensor size (APS-C)
does not have anti aliasing filter
very good ISO range (102,400)
exports RAW files
environment sealing
low battery power (410 shots)
53
manual focus
interchangeable lenses (Sony/Minolta Alpha mount)
has image stabilization (Sensor based)
sensor size is decent (APS-C)
delivers RAW files
screen is somewhat small (2.5 inch)
no liveview feature
megapixel count low (10MP)
no Time Lapse recording
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Vlogging Comparison

Pentax KF as a Vlogging camera
Sony A100 as a Vlogging camera
72
display is selfie friendly
image stabilization (Sensor based)
provides face detect autofocus
video resolution high (1920 x 1080 pixels)
includes mic port
heavier than others (684 grams)
9
lack of video recording
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Pentax KF vs Sony A100 Specifications

Detailed spec comparison table for Pentax KF and Sony A100
 Pentax KFSony Alpha DSLR-A100
General Information
Brand Name Pentax Sony
Model Pentax KF Sony Alpha DSLR-A100
Type Entry-Level DSLR Entry-Level DSLR
Introduced 2022-11-09 2006-07-31
Physical type Compact SLR Compact SLR
Sensor Information
Sensor type CMOS CCD
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.6mm 23.6 x 15.8mm
Sensor area 366.6mm² 372.9mm²
Sensor resolution 24 megapixel 10 megapixel
Anti aliasing filter
Aspect ratio 3:2 3:2
Peak resolution 6000 x 4000 3872 x 2592
Highest native ISO 102400 1600
Minimum native ISO 100 100
RAW pictures
Autofocusing
Manual focus
Touch to focus
Autofocus continuous
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Multi area autofocus
Autofocus live view
Face detect focus
Contract detect focus
Phase detect focus
Number of focus points 11 9
Cross focus points 9 -
Lens
Lens mount Pentax KAF2 Sony/Minolta Alpha
Number of lenses 161 143
Focal length multiplier 1.5 1.5
Screen
Display type Fully Articulated Fixed Type
Display sizing 3.00 inch 2.5 inch
Resolution of display 1,040 thousand dots 230 thousand dots
Selfie friendly
Liveview
Touch display
Viewfinder Information
Viewfinder type Optical (pentaprism) Optical (pentamirror)
Viewfinder coverage 100% 95%
Viewfinder magnification 0.63x 0.55x
Features
Minimum shutter speed 30 secs 30 secs
Fastest shutter speed 1/6000 secs 1/4000 secs
Continuous shutter rate 6.0 frames/s 3.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation Yes Yes
Change white balance
Image stabilization
Inbuilt flash
Flash range 12.00 m (at ISO 100) -
Flash modes Auto, auto w/redeye reduction, flash on, flash + redeye reduction, slow sync, trailing curtain sync, manual Auto, Fill-in, Red-Eye reduction, Slow Sync, Off
External flash
Auto exposure bracketing
White balance bracketing
Fastest flash synchronize - 1/160 secs
Exposure
Multisegment
Average
Spot
Partial
AF area
Center weighted
Video features
Video resolutions 1920 x 1080 (60i, 50i, 30p, 25p, 24p), 1280 x 720 (60p, 50p) -
Highest video resolution 1920x1080 None
Video data format MPEG-4, H.264 -
Mic port
Headphone port
Connectivity
Wireless Built-In None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 684g (1.51 lb) 638g (1.41 lb)
Dimensions 126 x 93 x 74mm (5.0" x 3.7" x 2.9") 133 x 95 x 71mm (5.2" x 3.7" x 2.8")
DXO scores
DXO Overall score not tested 61
DXO Color Depth score not tested 22.0
DXO Dynamic range score not tested 11.2
DXO Low light score not tested 476
Other
Battery life 410 pictures -
Type of battery Battery Pack -
Battery model D-LI109 NP-FM55H
Self timer Yes (2 or 12 secs, continuous) Yes (2 or 10 sec)
Time lapse shooting
Type of storage SD/SDHC/SDXC (UHS-I compatible) Compact Flash (Type I or II)
Card slots 1 1
Retail price $850 $1,000