Pentax K100D S

Pentax K100D Super front

Pentax K100D S overview

Pentax K100D S is Pentax's Entry-Level DSLR digital camera originally introduced on June of 2007. It comes with a 6 MegaPixel, CCD APS-C sized sensor and has a peak resolution of 3008 x 2008.

Pentax launched this model in an effort to upgrade the earlier Pentax K100D (Read Full Comparison) and afterwards released the more recent Pentax K200D (Read Full Comparison) as a way to upgrade this camera.

The K100D S places at #69 out of 80 in Entry-Level DSLR cameras and all round #638 out of 1465 for cameras in our collection. You can test our Smart camera filter to see camera listings based on your custom factors.

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Here is a chart of different criteria used in the scoring system.

Pentax K100D S history

The Pentax K100D S comes with a history of related cameras. Underneath, you can take a look at all previous and brand new models along with main specifications.

ModelVisualizeResolutionSensor SizeMax fpsReleased
Pentax-KF front thumbnailPentax KF
K100D S vs KF
24MPAPS-C6.0 fps2022
Pentax-K-70 front thumbnailPentax K-70
K100D S vs K-70
24MPAPS-C6.0 fps2016
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Pentax-K-S2 front thumbnailPentax K-S2
K100D S vs K-S2
20MPAPS-C5.4 fps2015
Pentax-K-500 front thumbnailPentax K-500
K100D S vs K-500
16MPAPS-C6.0 fps2013
Pentax-K-50 front thumbnailPentax K-50
K100D S vs K-50
16MPAPS-C6.0 fps2013
Pentax-K-r front thumbnailPentax K-r
K100D S vs K-r
12MPAPS-C6.0 fps2011
OM System OM-1 Set to Enhance Autofocus
Pentax-K-x front thumbnailPentax K-x
K100D S vs K-x
12MPAPS-C5.0 fps2009

Pentax K100D S Pros and Cons

Below is a checklist of good and bad points of the Pentax K100D S based on factors that are generally seen as essential in a digital camera.

does have Top screen
exports RAW formats
flash built-in
has image stabilization (Sensor based)
manual focus
sensor has phase detect AF
sensor size is nice (APS-C)
swap lenses (Pentax KAF2 mount)
doesn't have liveview
low resolution screen (210 thousand dots)
low resolution sensor (6MP)
no HDMI socket
no headphone socket
no microphone socket
no Timelapse function
no video shooting
screen does not articulate
screen is not selfie friendly
tiny screen (2.5")
very slow continuous shooting (3.0 frames/s)
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Pentax K100D S Sensor info

The size of the sensor in the Pentax K100D S is 23.5mm x 15.7mm (APS-C). The 369 mm² sensor has the ability to resolve 3008 x 2008 pixels and aspect ratios of 3:2. The camera includes Image Stabilization (Sensor based). In body stabilization is better than digital stabilization as the latter may cause cropping.

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The CCD sensor boasts 6MP and gives a standard ISO range of 200 - 3200. RAW format is saved which means that you have wider margin for error.

The picture below displays the K100D S's sensor dimensions compared to other popular sizes. The K100D S sensor comes with a crop factor of 1.5 and is displayed in green.

Pentax K100D Super sensor size European Users Can Now Disconnect Accounts to Comply with EU Regulations

To get an understanding of different aspect ratios, you should refer to the graphic below.

Camera sensor aspect ratios

Pentax K100D S dimensions

Pentax K100D S has a weight of 1.42 lb (646g / 22.79 ounces) and features external size of 129mm x 91mm x 71mm (5.1" x 3.6" x 2.8"). The weight of general Entry-Level DSLR camera is 540g so the Pentax K100D S is more heavy when compared to various competitors.

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Listed below is a visual of the Pentax K100D S beside a softdrink to help you have a feel for its scale.

Pentax K100D Super dimensions scale

The top view directly below will illustrate the button layout on the K100D S.

Pentax K100D Super topview buttons dials

Pentax K100D S Lens info

The K100D S uses the Pentax KAF2 mount and has 17 lenses to pick from. Below is a few of the lenses we have in our database which will fit the K100D S.

ModelVisualizeFocal LengthApertureStabilizedWeight
HD-Pentax-DA-55-300mm-F4.0-5.8-ED-WR lensHD Pentax DA 55-300mm F4.0-5.8 ED WR55-300mmf/4.0-5.8 466g
Irix-45mm-F1.4-Pentax-KAF-Mount lensIrix 45mm F1.445mmf/1.4925g
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Venus-Laowa-25mm-F2.8-2.5-5X-Ultra-Macro-Pentax-KAF2 lensVenus Laowa 25mm F2.8 2.5-5X Ultra Macro25mmf/2.8400g
Samsung-D-Xenon-18-250mm-F3.5-6.3 lensSamsung D-Xenon 18-250mm F3.5-6.318-250mmf/3.5-6.3 455g
Pentax-smc-DA-300mm-F4.0-ED-IF-SDM lensPentax smc DA 300mm F4.0 ED IF SDM300mmf/4.0 1070g
Venus-Laowa-100mm-F2.8-2X-Ultra-Macro-APO-Pentax-KAF2 lensVenus Laowa 100mm F2.8 2X Ultra Macro APO100mmf/2.8638g
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Pentax-smc-DA-50-135mm-F2.8-ED-IF-SDM lensPentax smc DA 50-135mm F2.8 ED IF SDM50-135mmf/2.8 685g
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Pentax K100D S Connectivity

The K100D S has the following connectivity:

  • USB Yes

Cameras that have NFC or Bluetooth compatibility are able to be used wirelessly by smartphones. You can easily copy files and at times change camera settings without the hassle of connecting directly to the camera.

Some applications even give a Liveview and press the shutter in case you aren't close to the camera. If the camera features a HDMI out, it can easily be attached to an external display. The majority of cameras will allow you to charge the battery with the USB port.

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Pentax K100D S Video info

Pentax K100D S doesn't take video. In case you are wanting a digital camera to take only photos, this might not be a problem.

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Pentax K100D S Weather Sealing

Pentax K100D S doesn't include weather proofing so rainy conditions can easily damage the camera.

Pentax K100D S Screen and Viewfinder

The Pentax K100D S comes with a 2.5 inch fixed display screen supporting a resolution of 210 thousand dots.

Unfortunately the display screen isn't a touch screen. The K100D S also has a Top screen in order to quickly checkout camera settings.

Pentax K100D Super screen and viewfinder OM System OM-1 Set to Enhance Autofocus

The View Finder specifications regarding Pentax K100D S are as follows:

  • ViewFinder Optical (pentamirror)
  • Coverage 96%
  • Magnification 0.57x

Viewfinders can be rather helpful in bright outdoor situations which will make the camera screen washed out and very difficult to view.

Pentax K100D S Shutter info

Pentax K100D S continuous shooting speed is 3.0 frames/s. The max shutter speed is 1/4000 seconds.

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Pentax K100D S Flash and Hot shoe info

Pentax K100D S includes both built-in flash plus external flash ability. The maximum flash sync speed is 1/180 seconds.

Pentax K100D S Autofocus info

Pentax K100D S includes both Phase Detect Autofocus and Contrast Based Autofocus. Phase Detection autofocusing is more snappier & accurate when compared to Contrast Based autofocusing.

It comes with 11 focus points to select from. Pentax K100D S features manual focusing in case it is needed in low light situations or you want to have more precise control on focusing.

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Pentax K100D S Battery life

The typical Entry-Level DSLR camera battery life is 589. Pentax K-x offers the highest (1900) battery life in this group of cameras.

Here is a listing of Entry-Level DSLR cameras which have the best battery life:

Pentax K100D S for different styles of photography

The following bar chart provides a overview of the Pentax K100D S for different styles of photography. To learn more, have a look at the specific section below.

Pentax K100D S Portrait photography advice

The Pentax K100D S gets a points tally of 51 which is reasonable, meaning that it is reasonably adequate to use for portrait photography. Shooting portraits favors heavily to sensor size, support for RAW files & potential to work with off-camera flash.

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manual focus
sensor size is nice (APS-C)
exports RAW formats
no liveview feature
low resolution sensor (6MP)

Pentax K100D S Street photography features

Getting a above average points total of 64, the Pentax K100D S is a respectable option to use in street photography. A decent street photography camera has a perfect balance of image quality plus portability.

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has image stabilization (Sensor based)
good sensor size (APS-C)
delivers RAW files
no articulating screen

Pentax K100D S as a Sports photography camera

A modest sports photography rating of 48 means the Pentax K100D S is reasonably appropriate for taking pictures of sports. A camera must have good tracking and continuous shooting for sports photography.

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has image stabilization (Sensor based)
sensor size is decent (APS-C)
sensor has phase detect AF
does not have liveview
painfully slow continuous shooting (3.0 fps)
sensor resolution low (6 megapixels)

Pentax K100D S Travel photography features

Weight is extremely crucial in buying a travel camera. All round, the Pentax K100D S gets a bad 45 for a travelling camera which makes it not suitable to take with you on your travels.

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flash built-in
no Timelapse function
megapixel count low (6MP)
does not have selfie friendly screen

Pentax K100D S Landscape photography features

If you find yourself looking to pick a digital camera for landscape photographs, the most vital factor will no doubt be image quality. The Pentax K100D S at it's average grade of 52 as a landscape camera is somewhat adequate within the current marketplace.

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focusing manually
change lenses (Pentax KAF2 mount)
built in image stabilization (Sensor based)
decent sensor size (APS-C)
supports RAW formats
screen is small (2.5 inches)
does not have liveview
MP count low (6 megapixels)
missing Timelapse mode

Pentax K100D S as a Vlogging camera

A vlogging camera preferably should come with a moving display screen, mic port and if possible IBIS. Taking all things into account, the Pentax K100D S is not suitable for vlogging as it comes to a bad rating of 9.

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no video recording

Pentax K100D S Alternatives

If you are in the market for alternatives to the K100D S, here is a number of the highest scored cameras which fall under the family of Entry-Level DSLR.

The graph followed below gives you a summary of the K100D S compared to it's highest rated rivals shown previously.

Here are a handful of other cameras you might view as alternative options. To check out a detailed comparison, go to the "compare" link.

OM System OM-1 Set to Enhance Autofocus


General Information
Model type
Pentax K100D Super
Entry-Level DSLR
Physical type
Compact SLR
Sensor Information
Sensor type
Sensor size
Sensor measurements
23.5 x 15.7mm
Sensor surface area
Sensor resolution
6 megapixels
Anti alias filter
Aspect ratio
Highest resolution
3008 x 2008
RAW support
Highest native ISO
Min native ISO
Focus manually
Touch to focus
Continuous autofocus
Autofocus single
Autofocus tracking
Selective autofocus
Autofocus center weighted
Autofocus multi area
Autofocus live view
Face detection autofocus
Contract detection autofocus
Phase detection autofocus
Total focus points
Lens mount type
Pentax KAF2
Available lenses
Focal length multiplier
Screen type
Fixed Type
Screen size
Resolution of screen
210 thousand dots
Selfie friendly
Touch function
Viewfinder Information
Viewfinder type
Optical (pentamirror)
Viewfinder coverage
Viewfinder magnification
DXO scores
DXO All around rating
not tested
DXO Color Depth rating
not tested
DXO Dynamic range rating
not tested
DXO Low light rating
not tested
Lowest shutter speed
30 secs
Highest shutter speed
1/4000 secs
Continuous shooting rate
3.0 frames/s
Shutter priority
Aperture priority
Manual mode
Exposure compensation
Custom white balance
Image stabilization
Integrated flash
Flash modes
Auto, On, Off, Red-eye reduction
External flash
White balance bracketing
Highest flash synchronize
1/180 secs
Multisegment exposure
Average exposure
Spot exposure
Partial exposure
AF area exposure
Center weighted exposure
Video features
Highest video resolution
Microphone port
Headphone port
USB 2.0 (480 Mbit/sec)
Environmental sealing
Water proofing
Dust proofing
Shock proofing
Crush proofing
Freeze proofing
646g (1.42 lb)
129 x 91 x 71mm (5.1" x 3.6" x 2.8")
Battery ID
4 x AA
Self timer
Yes (2 or 12 sec)
Time lapse recording
Type of storage
SD/SDHC card
Card slots
Launch cost