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Pentax K-5 IIs vs Sony A100

Portability
60
Imaging
57
Features
83
Overall
67
Pentax K-5 IIs front
 
Sony Alpha DSLR-A100 front
Portability
64
Imaging
47
Features
38
Overall
43

Pentax K-5 IIs vs Sony A100 Key Specs

Pentax K-5 IIs
(Full Review)
  • 16MP - APS-C Sensor
  • 3" Fixed Display
  • ISO 100 - 12800 (Push to 51200)
  • Sensor based Image Stabilization
  • No Anti-Alias Filter
  • 1/8000s Maximum Shutter
  • 1920 x 1080 video
  • Pentax KAF2 Mount
  • 760g - 131 x 97 x 73mm
  • Introduced June 2013
  • Succeeded the Pentax K-5
Sony A100
(Full Review)
  • 10MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 100 - 1600
  • Sensor based Image Stabilization
  • No Video
  • Sony/Minolta Alpha Mount
  • 638g - 133 x 95 x 71mm
  • Released July 2006
  • Old Model is Konica Minolta 5D
  • Newer Model is Sony A550
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Pentax K-5 IIs vs Sony A100 Overview

Its time to look more closely at the Pentax K-5 IIs and Sony A100, one is a Advanced DSLR and the latter is a Entry-Level DSLR by companies Pentax and Sony. There exists a crucial gap among the sensor resolutions of the K-5 IIs (16MP) and A100 (10MP) but both cameras offer the same sensor sizing (APS-C).

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The K-5 IIs was introduced 6 years after the A100 which is a fairly serious gap as far as camera technology is concerned. Each of the cameras have different body design with the Pentax K-5 IIs being a Mid-size SLR camera and the Sony A100 being a Compact SLR camera.

Before getting into a full comparison, here is a brief overview of how the K-5 IIs grades against the A100 in regards to portability, imaging, features and an overall score.

Photography Glossary

        

Reasons to pick Pentax K-5 IIs over the Sony A100

 K-5 IIs A100 
ReleasedJune 2013July 2006More modern by 84 months
Screen dimensions3"2.5"Bigger screen (+0.5")
Screen resolution921k230kCrisper screen (+691k dot)

Reasons to pick Sony A100 over the Pentax K-5 IIs

 A100 K-5 IIs 

Common features in the Pentax K-5 IIs and Sony A100

 K-5 IIs A100 
Manual focus More exact focus
Screen typeFixed Fixed Fixed screen
Selfie screen Neither offers selfie screen
Touch screen Neither offers Touch screen

Pentax K-5 IIs vs Sony A100 Physical Comparison

For anybody who is planning to carry around your camera regularly, you'll have to factor in its weight and size. The Pentax K-5 IIs offers outer dimensions of 131mm x 97mm x 73mm (5.2" x 3.8" x 2.9") and a weight of 760 grams (1.68 lbs) whilst the Sony A100 has specifications of 133mm x 95mm x 71mm (5.2" x 3.7" x 2.8") accompanied by a weight of 638 grams (1.41 lbs).

Examine the Pentax K-5 IIs and Sony A100 in the all new Camera and Lens Size Comparison Tool. Camera Size Comparison with Lenses

Take into consideration, the weight of an Interchangeable Lens Camera will differ dependant on the lens you have during that time. Here is a front view sizing comparison of the K-5 IIs against the A100.

Pentax K-5 IIs vs Sony A100 size comparison

Looking at dimensions and weight, the portability grade of the K-5 IIs and A100 is 60 and 64 respectively.

Pentax K-5 IIs vs Sony A100 top view buttons comparison

Pentax K-5 IIs vs Sony A100 Sensor Comparison

More often than not, it is very hard to envision the contrast in sensor sizes merely by going through specifications. The pic below will offer you a better sense of the sensor sizes in the K-5 IIs and A100.

Plainly, both of the cameras provide the same sensor dimensions albeit not the same MP. You should count on the Pentax K-5 IIs to produce greater detail using its extra 6MP. Higher resolution can also enable you to crop photographs more aggressively. The more recent K-5 IIs is going to have an edge when it comes to sensor innovation.

Pentax K-5 IIs vs Sony A100 sensor size comparison

Pentax K-5 IIs vs Sony A100 Screen and ViewFinder

Pentax K-5 IIs vs Sony A100 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Portrait photography with Pentax K-5 IIs
Portrait photography with Sony A100
74
manual focus
resolution is good (16MP)
sensor size is good (APS-C)
comes with face detection autofocus
supports RAW formats
52
you can focus manually
nice sensor size (APS-C)
exports RAW files
doesn't have liveview
megapixel count low (10 megapixels)
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Street Comparison

Pentax K-5 IIs as a Street photography camera
Sony A100 as a Street photography camera
66
built in image stabilization (Sensor based)
sensor size is good (APS-C)
supports RAW formats
weather proof
no articulating screen
64
image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW files
screen does not articulate
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Sports Comparison

Pentax K-5 IIs Sports photography info
Sony A100 Sports photography info
78
max shutter speed is good (1/8,000s)
built in image stabilization (Sensor based)
resolution is good (16 megapixels)
sensor size is good (APS-C)
comes with tracking autofocus
weather proof
supports phase detect autofocus
48
image stabilization (Sensor based)
nice sensor size (APS-C)
has phase detect autofocus
doesn't have liveview
slow fps (3.0 frames per second)
megapixel count low (10 megapixels)
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Travel Comparison

Pentax K-5 IIs Travel photography highlights
Sony A100 Travel photography highlights
65
weather proof
resolution is good (16MP)
built-in flash
display is not selfie friendly
45
flash built-in
lack of Timelapse function
megapixel count low (10MP)
doesn't have selfie friendly display
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Landscape Comparison

Pentax K-5 IIs Landscape photography features
Sony A100 Landscape photography features
78
manual focus
switch lenses (Pentax KAF2 mount)
screen is a good size (3 inch)
built in image stabilization (Sensor based)
resolution is good (16 megapixels)
sensor size is good (APS-C)
doesnt have anti aliasing filter
supports RAW formats
weather proof
52
you can focus manually
switch lenses (Sony/Minolta Alpha mount)
image stabilization (Sensor based)
nice sensor size (APS-C)
exports RAW files
screen is somewhat small (2.5 inches)
doesn't have liveview
megapixel count low (10 megapixels)
lack of Timelapse function
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Vlogging Comparison

Pentax K-5 IIs as a Vlogging camera
Sony A100 as a Vlogging camera
33
built in image stabilization (Sensor based)
comes with face detection autofocus
high quality video (1920 x 1080 pxls)
comes with external mic support
display is not selfie friendly
9
no video
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Pentax K-5 IIs vs Sony A100 Specifications

Detailed spec comparison table for Pentax K-5 IIs and Sony A100
 Pentax K-5 IIsSony Alpha DSLR-A100
General Information
Make Pentax Sony
Model Pentax K-5 IIs Sony Alpha DSLR-A100
Class Advanced DSLR Entry-Level DSLR
Introduced 2013-06-04 2006-07-31
Body design Mid-size SLR Compact SLR
Sensor Information
Processor Prime II -
Sensor type CMOS CCD
Sensor size APS-C APS-C
Sensor measurements 23.7 x 15.7mm 23.6 x 15.8mm
Sensor area 372.1mm² 372.9mm²
Sensor resolution 16 megapixels 10 megapixels
Anti aliasing filter
Aspect ratio 3:2 3:2
Full resolution 4928 x 3264 3872 x 2592
Max native ISO 12800 1600
Max boosted ISO 51200 -
Minimum native ISO 100 100
RAW files
Minimum boosted ISO 80 -
Autofocusing
Manual focus
AF touch
Continuous AF
Single AF
AF tracking
Selective AF
Center weighted AF
AF multi area
AF live view
Face detect focusing
Contract detect focusing
Phase detect focusing
Number of focus points 11 9
Cross focus points 9 -
Lens
Lens mount Pentax KAF2 Sony/Minolta Alpha
Available lenses 151 143
Focal length multiplier 1.5 1.5
Screen
Range of display Fixed Type Fixed Type
Display size 3 inch 2.5 inch
Display resolution 921k dot 230k dot
Selfie friendly
Liveview
Touch display
Display tech TFT LCD monitor -
Viewfinder Information
Viewfinder Optical (pentaprism) Optical (pentamirror)
Viewfinder coverage 100 percent 95 percent
Viewfinder magnification 0.61x 0.55x
Features
Lowest shutter speed 30 seconds 30 seconds
Highest shutter speed 1/8000 seconds 1/4000 seconds
Continuous shooting speed 7.0fps 3.0fps
Shutter priority
Aperture priority
Manual exposure
Exposure compensation Yes Yes
Set WB
Image stabilization
Inbuilt flash
Flash range 13.00 m (at ISO 100) -
Flash options Auto, On, Off, Red-eye, Slow sync, High speed, Rear curtain and Wireless Auto, Fill-in, Red-Eye reduction, Slow Sync, Off
External flash
AE bracketing
White balance bracketing
Highest flash sync 1/180 seconds 1/160 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Video resolutions 1920 x 1080 (25 fps), 1280 x 720 (25, 30 fps), 640 x 480 (25, 30 fps) -
Max video resolution 1920x1080 None
Video format Motion JPEG -
Microphone input
Headphone input
Connectivity
Wireless None None
Bluetooth
NFC
HDMI
USB USB 2.0 (480 Mbit/sec) USB 2.0 (480 Mbit/sec)
GPS Optional None
Physical
Environmental seal
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 760 grams (1.68 pounds) 638 grams (1.41 pounds)
Physical dimensions 131 x 97 x 73mm (5.2" x 3.8" x 2.9") 133 x 95 x 71mm (5.2" x 3.7" x 2.8")
DXO scores
DXO All around score 82 61
DXO Color Depth score 23.9 22.0
DXO Dynamic range score 14.1 11.2
DXO Low light score 1208 476
Other
Battery life 980 pictures -
Battery format Battery Pack -
Battery model D-LI90 NP-FM55H
Self timer Yes ( 2 or 12 seconds) Yes (2 or 10 sec)
Time lapse feature
Type of storage SD/SDHC/SDXC Compact Flash (Type I or II)
Storage slots Single Single
Retail price $749 $1,000