Pentax K100D S vs Sony A68
65 Imaging
45 Features
38 Overall
42


64 Imaging
66 Features
70 Overall
67
Pentax K100D S vs Sony A68 Key Specs
(Full Review)
- 6MP - APS-C Sensor
- 2.5" Fixed Screen
- ISO 200 - 3200
- Sensor based Image Stabilization
- No Video
- Pentax KAF2 Mount
- 646g - 129 x 91 x 71mm
- Launched June 2007
- Replaced the Pentax K100D
- Successor is Pentax K200D
(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
- Announced November 2015
- Previous Model is Sony A65

Pentax K100D S vs Sony A68 Overview
In this write-up, we will be evaluating the Pentax K100D S vs Sony A68, both Entry-Level DSLR digital cameras by rivals Pentax and Sony. There is a sizable difference between the sensor resolutions of the K100D S (6MP) and A68 (24MP) but they feature the same exact sensor sizes (APS-C).

The K100D S was revealed 9 years prior to the A68 which is quite a significant difference as far as tech is concerned. Each of the cameras offer the identical body type (Compact SLR).
Before diving straight into a thorough comparison, below is a concise introduction of how the K100D S matches up vs the A68 when considering portability, imaging, features and an overall mark.

Pentax K100D S vs Sony A68 Gallery
Following is a preview of the gallery images for Pentax K100D Super & Sony SLT-A68. The full galleries are viewable at Pentax K100D S Gallery & Sony A68 Gallery.
Reasons to pick Pentax K100D S over the Sony A68
K100D S | A68 |
---|
Reasons to pick Sony A68 over the Pentax K100D S
A68 | K100D S | |||
---|---|---|---|---|
Announced | November 2015 | ![]() | June 2007 | Newer by 101 months |
Screen type | Tilting | ![]() | Fixed | Tilting screen |
Screen sizing | 2.7" | ![]() | 2.5" | Bigger screen (+0.2") |
Screen resolution | 461k | ![]() | 210k | Clearer screen (+251k dot) |
Common features in the Pentax K100D S and Sony A68
K100D S | A68 | |||
---|---|---|---|---|
Manual focus | ![]() | More exact focus | ||
Selfie screen | ![]() | Lack of selfie screen | ||
Touch friendly screen | ![]() | Neither contains Touch friendly screen |
Pentax K100D S vs Sony A68 Physical Comparison
For anybody who is looking to travel with your camera, you will want to factor its weight and size. The Pentax K100D S has got external dimensions of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8") along with a weight of 646 grams (1.42 lbs) and the Sony A68 has specifications of 143mm x 104mm x 81mm (5.6" x 4.1" x 3.2") with a weight of 610 grams (1.34 lbs).
Examine the Pentax K100D S vs Sony A68 in our completely new Camera plus Lens Size Comparison Tool.
Remember that, the weight of an ILC will change dependant on the lens you are using at the time. Following is the front view scale comparison of the K100D S against the A68.

Taking into consideration size and weight, the portability grade of the K100D S and A68 is 65 and 64 respectively.

Pentax K100D S vs Sony A68 Sensor Comparison
Often, its difficult to visualize the gap between sensor dimensions only by reading a spec sheet. The pic below may offer you a better sense of the sensor sizes in the K100D S and A68.
As you can see, each of these cameras enjoy the same exact sensor sizing albeit different MP. You can expect the Sony A68 to offer extra detail because of its extra 18 Megapixels. Higher resolution can also help you crop shots far more aggressively. The more aged K100D S is going to be behind in sensor innovation.

Pentax K100D S vs Sony A68 Screen and ViewFinder


Photography Type Scores
Portrait Comparison

Street Comparison

Sports Comparison

Travel Comparison

Landscape Comparison

Vlogging Comparison

Pentax K100D S vs Sony A68 Specifications
Pentax K100D Super | Sony SLT-A68 | |
---|---|---|
General Information | ||
Manufacturer | Pentax | Sony |
Model | Pentax K100D Super | Sony SLT-A68 |
Class | Entry-Level DSLR | Entry-Level DSLR |
Launched | 2007-06-28 | 2015-11-06 |
Body design | Compact SLR | Compact SLR |
Sensor Information | ||
Processor | - | Bionz X |
Sensor type | CCD | CMOS |
Sensor size | APS-C | APS-C |
Sensor measurements | 23.5 x 15.7mm | 23.5 x 15.6mm |
Sensor surface area | 369.0mm² | 366.6mm² |
Sensor resolution | 6MP | 24MP |
Anti aliasing filter | ||
Aspect ratio | 3:2 | 3:2 and 16:9 |
Maximum resolution | 3008 x 2008 | 6000 x 4000 |
Maximum native ISO | 3200 | 25600 |
Minimum native ISO | 200 | 100 |
RAW pictures | ||
Autofocusing | ||
Focus manually | ||
AF touch | ||
Continuous AF | ||
Single AF | ||
AF tracking | ||
AF selectice | ||
AF center weighted | ||
AF multi area | ||
Live view AF | ||
Face detection AF | ||
Contract detection AF | ||
Phase detection AF | ||
Number of focus points | 11 | 79 |
Cross focus points | - | 15 |
Lens | ||
Lens mounting type | Pentax KAF2 | Sony/Minolta Alpha |
Available lenses | 151 | 143 |
Focal length multiplier | 1.5 | 1.5 |
Screen | ||
Range of screen | Fixed Type | Tilting |
Screen diagonal | 2.5" | 2.7" |
Resolution of screen | 210k dot | 461k dot |
Selfie friendly | ||
Liveview | ||
Touch capability | ||
Viewfinder Information | ||
Viewfinder | Optical (pentamirror) | Electronic |
Viewfinder resolution | - | 1,440k dot |
Viewfinder coverage | 96 percent | 100 percent |
Viewfinder magnification | 0.57x | 0.57x |
Features | ||
Lowest shutter speed | 30 secs | 30 secs |
Highest shutter speed | 1/4000 secs | 1/4000 secs |
Continuous shooting speed | 3.0 frames per sec | 8.0 frames per sec |
Shutter priority | ||
Aperture priority | ||
Manual exposure | ||
Exposure compensation | Yes | Yes |
Custom WB | ||
Image stabilization | ||
Integrated flash | ||
Flash range | - | 12.00 m (at ISO 100) |
Flash modes | Auto, On, Off, Red-eye reduction | Flash off, Auto, Fill-flash, Slow sync, Red-eye reduction, Rear sync, Wireless, High Speed sync |
Hot shoe | ||
AE bracketing | ||
White balance bracketing | ||
Highest flash sync | 1/180 secs | 1/160 secs |
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 |
Maximum video resolution | None | 1920x1080 |
Video format | - | MPEG-4, AVCHD, XAVC S |
Microphone input | ||
Headphone input | ||
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 seal | ||
Water proof | ||
Dust proof | ||
Shock proof | ||
Crush proof | ||
Freeze proof | ||
Weight | 646 gr (1.42 lbs) | 610 gr (1.34 lbs) |
Dimensions | 129 x 91 x 71mm (5.1" x 3.6" x 2.8") | 143 x 104 x 81mm (5.6" x 4.1" x 3.2") |
DXO scores | ||
DXO All around 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 photographs |
Style of battery | - | 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 media | SD/SDHC card | SD/ SDHC/SDXC, Memory Stick Pro Duo |
Storage slots | Single | Single |
Price at launch | $520 | $581 |