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Pentax K100D vs Sony A68

Portability
64
Imaging
45
Features
36
Overall
41
Pentax K100D front
 
Sony SLT-A68 front
Portability
64
Imaging
67
Features
70
Overall
68

Pentax K100D vs Sony A68 Key Specs

Pentax K100D
(Full Review)
  • 6MP - APS-C Sensor
  • 2.5" Fixed Screen
  • ISO 200 - 3200
  • Sensor based Image Stabilization
  • No Video
  • Pentax KAF Mount
  • 660g - 129 x 93 x 70mm
  • Revealed December 2006
  • Replacement is Pentax K100D S
Sony A68
(Full Review)
  • 24MP - APS-C Sensor
  • 2.7" Tilting Screen
  • ISO 100 - 25600
  • Sensor based Image Stabilization
  • 1920 x 1080 video
  • Sony/Minolta Alpha Mount
  • 610g - 143 x 104 x 81mm
  • Released November 2015
  • Older Model is Sony A65
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Pentax K100D vs Sony A68 Overview

On this page, we will be contrasting the Pentax K100D vs Sony A68, both Entry-Level DSLR cameras by companies Pentax and Sony. There exists a crucial gap among the resolutions of the K100D (6MP) and A68 (24MP) but both cameras boast the same sensor sizes (APS-C).

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The K100D was released 10 years prior to the A68 and that is a fairly serious gap as far as camera technology is concerned. Each of the cameras have the same body design (Compact SLR).

Before going straight to a thorough comparison, here is a concise summary of how the K100D grades versus the A68 in terms of portability, imaging, features and an overall rating.

Photography Glossary
	
	

Reasons to pick Pentax K100D over the Sony A68

 K100D A68 

Reasons to pick Sony A68 over the Pentax K100D

 A68 K100D 
ReleasedNovember 2015December 2006Fresher by 108 months
Screen typeTiltingFixed Tilting screen
Screen dimensions2.7"2.5"Bigger screen (+0.2")
Screen resolution461k210kSharper screen (+251k dot)

Common features in the Pentax K100D and Sony A68

 K100D A68 
Focus manually More accurate focusing
Selfie screen Neither has selfie screen
Touch screen Neither has Touch screen

Pentax K100D vs Sony A68 Physical Comparison

For those who are looking to carry your camera, you will need to factor in its weight and dimensions. The Pentax K100D has outside dimensions of 129mm x 93mm x 70mm (5.1" x 3.7" x 2.8") and a weight of 660 grams (1.46 lbs) and the Sony A68 has dimensions of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") and a weight of 610 grams (1.34 lbs).

Check out the Pentax K100D vs Sony A68 in the latest Camera with Lens Size Comparison Tool. Camera Size Comparison with Lenses

Remember, the weight of an Interchangeable Lens Camera will differ based on the lens you have chosen at that time. Following is a front view physical size comparison of the K100D versus the A68.

Pentax K100D vs Sony A68 size comparison

Considering dimensions and weight, the portability score of the K100D and A68 is 64 and 64 respectively.

Pentax K100D vs Sony A68 top view buttons comparison

Pentax K100D vs Sony A68 Sensor Comparison

More often than not, its tough to imagine the contrast in sensor sizing only by seeing specifications. The photograph below might provide you a stronger sense of the sensor dimensions in the K100D and A68.

To sum up, both of those cameras have the same sensor dimensions albeit different MP. You should count on the Sony A68 to provide extra detail as a result of its extra 18 Megapixels. Higher resolution can also make it easier to crop pictures a bit more aggressively. The older K100D will be disadvantaged in sensor innovation.

Pentax K100D vs Sony A68 sensor size comparison

Pentax K100D vs Sony A68 Screen and ViewFinder

Pentax K100D vs Sony A68 Screen and Viewfinder comparison
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Photography Type Scores

Portrait Comparison

Pentax K100D Portrait photography features
Sony A68 Portrait photography features
51
you can focus manually
sensor size is nice (APS-C)
supports RAW formats
doesn't have liveview
low megapixels (6MP)
80
you can focus manually
decent sensor resolution (24 megapixels)
decent sensor size (APS-C)
offers face detection autofocus
delivers RAW files
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Street Comparison

Pentax K100D Street photography details
Sony A68 Street photography details
58
image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW formats
no moving screen
heavier than others in class (660 grams)
77
tilting screen
image stabilization (Sensor based)
decent sensor size (APS-C)
delivers RAW files
above average high ISO (25,600)
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Sports Comparison

Pentax K100D Sports photography features
Sony A68 Sports photography features
47
image stabilization (Sensor based)
sensor size is nice (APS-C)
sensor has phase detect auto focus
doesn't have liveview
max frames per second low (3.0 frames per second)
low megapixels (6 megapixels)
75
image stabilization (Sensor based)
decent sensor resolution (24 megapixels)
decent sensor size (APS-C)
offers tracking autofocus
comes with phase detect autofocus
low battery life (510 per charge)
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Travel Comparison

Travel photography with Pentax K100D
Travel photography with Sony A68
42
built-in flash
does not have Time Lapse mode
heavier than others in class (660g)
low megapixels (6MP)
does not contain selfie friendly screen
55
decent sensor resolution (24MP)
flash built-in
no Time Lapse function
low battery life (510 shots)
screen isn't selfie friendly
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Landscape Comparison

Landscape photography with Pentax K100D
Landscape photography with Sony A68
52
you can focus manually
change lenses (Pentax KAF mount)
image stabilization (Sensor based)
sensor size is nice (APS-C)
supports RAW formats
screen is somewhat small (2.5 inch)
doesn't have liveview
low megapixels (6MP)
does not have Time Lapse mode
68
you can focus manually
change lenses (Sony/Minolta Alpha mount)
image stabilization (Sensor based)
decent sensor resolution (24 megapixels)
decent sensor size (APS-C)
above average high ISO (25,600)
delivers RAW files
screen is somewhat small (2.7 inch)
low battery life (510 shots)
no Time Lapse function
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Vlogging Comparison

Pentax K100D Vlogging advice
Sony A68 Vlogging advice
9
can't shoot video
35
image stabilization (Sensor based)
offers face detection autofocus
high res video (1920 x 1080 resolution)
does have external mic socket
screen isn't selfie friendly
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Pentax K100D vs Sony A68 Specifications

Detailed spec comparison table for Pentax K100D and Sony A68
 Pentax K100DSony SLT-A68
General Information
Brand Name Pentax Sony
Model Pentax K100D Sony SLT-A68
Category Entry-Level DSLR Entry-Level DSLR
Revealed 2006-12-03 2015-11-06
Physical type Compact SLR Compact SLR
Sensor Information
Powered by - Bionz X
Sensor type CCD CMOS
Sensor size APS-C APS-C
Sensor dimensions 23.5 x 15.7mm 23.5 x 15.6mm
Sensor area 369.0mm² 366.6mm²
Sensor resolution 6MP 24MP
Anti aliasing filter
Aspect ratio 3:2 3:2 and 16:9
Max resolution 3008 x 2008 6000 x 4000
Max native ISO 3200 25600
Lowest native ISO 200 100
RAW data
Autofocusing
Manual focus
Autofocus touch
Autofocus continuous
Single autofocus
Tracking autofocus
Autofocus selectice
Center weighted autofocus
Multi area autofocus
Live view autofocus
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Number of focus points 11 79
Cross focus points - 15
Lens
Lens mount Pentax KAF Sony/Minolta Alpha
Number of lenses 151 143
Focal length multiplier 1.5 1.5
Screen
Screen type Fixed Type Tilting
Screen size 2.5" 2.7"
Resolution of screen 210k dots 461k dots
Selfie friendly
Liveview
Touch screen
Viewfinder Information
Viewfinder Optical (pentamirror) Electronic
Viewfinder resolution - 1,440k dots
Viewfinder coverage 96 percent 100 percent
Viewfinder magnification 0.57x 0.57x
Features
Minimum shutter speed 30 seconds 30 seconds
Fastest shutter speed 1/4000 seconds 1/4000 seconds
Continuous shutter rate 3.0fps 8.0fps
Shutter priority
Aperture priority
Expose Manually
Exposure compensation Yes Yes
Change white balance
Image stabilization
Integrated flash
Flash range - 12.00 m (at ISO 100)
Flash settings Auto, On, Off, Red-eye reduction Flash off, Auto, Fill-flash, Slow sync, Red-eye reduction, Rear sync, Wireless, High Speed sync
External flash
Auto exposure bracketing
White balance bracketing
Fastest flash synchronize 1/180 seconds 1/160 seconds
Exposure
Multisegment metering
Average metering
Spot metering
Partial metering
AF area metering
Center weighted metering
Video features
Supported video resolutions - 1920 x 1080 (60i, 30p, 24p), 1440 x 1080, 640 x 480
Max video resolution None 1920x1080
Video data format - MPEG-4, AVCHD, XAVC S
Mic 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
Environmental sealing
Water proof
Dust proof
Shock proof
Crush proof
Freeze proof
Weight 660g (1.46 pounds) 610g (1.34 pounds)
Physical dimensions 129 x 93 x 70mm (5.1" x 3.7" x 2.8") 143 x 104 x 81mm (5.6" x 4.1" x 3.2")
DXO scores
DXO Overall score not tested 79
DXO Color Depth score not tested 24.1
DXO Dynamic range score not tested 13.5
DXO Low light score not tested 701
Other
Battery life - 510 images
Battery type - Battery Pack
Battery model 4 x AA NP-FM500H
Self timer Yes (2 or 12 sec) Yes (Yes (2 or 12 sec))
Time lapse shooting
Storage type SD/MMC card SD/ SDHC/SDXC, Memory Stick Pro Duo
Card slots 1 1
Launch pricing $0 $581