The K100D's $700 price tag (as of November 6, 2006) puts it at the low end of the entry-level digital SLR market, and its 6.1-megapixel resolution lags behind the current state-of-the-art. Nevertheless, this camera offers a feature set ideally suited to beginning shooters plus enough room to grow that intermediate photographers won't sniff at it either.
Pentax K100D SLR Digital Camera w/18-55mm Lens Kit (6.1MP, 3008x2008, SD Slot )

Pricing
$400.00 - $455.00 From 2 Vendors Get Best Prices »
- Spec Navigator
- Digital Format
- Display
- Exposure
- Image Processor
- Included Software
- Lens
- Shutter
- Storage
- LCD Screen
- Exposure Controls
- Dimensions
- Power
- Flash
- Lens Features
- Connectivity
- Other Features
Image Processor
| Number of image sensor pixels | 6.1 megapixels |
| Image sensor | CCD |
| Maximum horizontal image resolution | 3008 |
| Maximum vertical image resolution | 2008 |
| Image sensor quantity | 1 |
| Image format |
|
| White balance | 0 |
Lens
| Accessory Lens | No |
| Lens Model | Pentax DA 18-55mm f/3.5-5.6 |
| Telephoto Aperture Maximum | 5.6 mm |
| Wide-Angle Aperture Maximum | 3.5 mm |
Exposure Controls
| Maximum shutter speed | 4000 |
| Minimum shutter speed | 30 |
| Bulb setting | 0 |
| ISO equivalencies |
|
| Exposure settings | 0 |
| Exposure compensation range | 0 |
| Number of scene modes | 13 |
- Lab Tested
- How We Test SLR Cameras »
Pros
Solid construction; low price
Top-mounted LCD status display
Cons
Noisier images at high ISO settings
Low battery life
Bottom Line
Low-priced SLR offers plenty of features. Though its resolution is relatively low, the camera produced high-quality images.
Pentax K100D
K100D SLR Digital Camera w/18-55mm Lens Kit (6.1MP, 3008x2008, SD Slot ) Review, by Ben Long November 17, 2006
The K100D is small but well balanced, with a large hand grip that maximizes its stability during shooting and makes it comfortable to hold. In addition, the K100D incorporates Pentax's sensor-based image stabilization technology, which tries to minimize the effect of camera shake by moving the sensor to compensate for jittery hand vibrations.
For an entry-level camera, the K100D doesn't skimp on interface features. You get a bright, 2.5-inch rear-mounted LCD, plus a top-mounted LCD status display. The camera provides a full complement of readily accessible and easy-to-understand controls.
Unfortunately, the model's battery life is not up to par. The Pentax ships with four alkaline AA batteries, rather than with a rechargeable battery. In our battery life testing, the Pentax took only took 265 pictures before running out of juice.
Pentax claims that the K100D has two stops worth of stabilization; but in my shooting, the camera's stabilization fell somewhere between one and one-and-a-half stops. In contrast, lens-based systems consistently offer three to four stops. The K100D uses its sensor-shaking technology as a dust removal mechanism--handy for any camera that works with removable lenses.
The K100D is well designed and comfortable to shoot with, and its essential features are easy to access. Shooting modes include program, shutter- and aperture-priority, full manual, and bulb. The camera adds flexibility to the 13 scene modes by letting you adjust ISO, white balance, and exposure compensation. In Auto Picture mode, the camera analyzes your subject and selects one of these custom program modes. The K100D provides a full complement of manual modes, too, though it lacks a program shift feature for automatically cycling through different aperture/shutter speed combinations that deliver the same exposure.
The 11-point autofocus system works well, and metering on the camera is very good, though the K100D isn't particularly speedy. Powering up takes about a second, as does waking from sleep. The camera's burst speed maxes out at 1.5 frames per second for JPEG images.
The K100D takes very good pictures for a 6.1-megapixel camera. If you don't plan to enlarge pictures beyond 8 by 10 inches or to use zooming or cropping very often, 6.1 megapixels is plenty.
The K100D shoots Raw images and three levels of JPEG images. By default, the camera's JPEG output is a bit soft, so you might want to adjust the sharpening parameter within the camera. Though the K100D offers ISO levels up to 3200, images show substantial noise at ISO 800 and above.
The K100D is a great entry-level SLR camera, with an unmatched price. Pentax offers an extensive array of lenses to buy separately, and the camera's interface and design make for a comfortable shoot. If you want a full-featured SLR with fairly advanced features, it's hard to beat the price and performance of the K100D.
Ben Long
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- Rating Breakdown
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80
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72
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81
- See Complete Lab Results »
Performance Comparison with Similar SLR Cameras
80
85
81
Performance
| Battery Life (minutes) | 144.75 |
| Image Quality Score | Very Good |
| Image Quality, Color | 60.9 |
| Image Quality, Color--Adjusted | 64.8 |
| Image Quality, Color--Auto | 56.9 |
| Image Quality, Distortion | 63.8 |
| Image Quality, Distortion--Noise | 62.9 |
| Image Quality, Distortion--Noise Reduction | 69.1 |
| Image Quality, Distortion--Sharp Interpolation | 62.8 |
| Image Quality, Exposure | 60.4 |
| Image Quality, Exposure--Flash | 60.5 |
| Image Quality, Exposure--Normal | 60.3 |
| Image Quality, Overall | 58.6 |
| Image Quality, Sharpness | 32.8 |
| Number of Batteries | 4 |
| Number of Shots | 265 |
Review Now! Already own it? Tell us What You Think
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Reviewed by: thelooti
Strengths: Robust, Beautiful, Kit lens is great, Shake-reduction, user-friendly, AA batteries, 2.5inch LCD, lens compatibility
Weaknesses: battery life when shake-reduction on
Overall: I would like to start by saying that this camera is definitely worth buying. If photography is your main occupation, you may want to go with other camera. But if you need an SLR for hobby and general photo needs, than freely go with Pentax K100D.
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Reviewed by:
Strengths: Price, Size, AF, Lenses, LCD, Wireless Remote
Weaknesses: White Balance
Overall: I have had this camera for a couple of months and love it! It's a great price for a SLR and sure beats Canon and Nikon! The Pentax lenses are excellent due to the realitivly low prices for high quality product. Great buy! Will buy from Pentax again!
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Reviewed by: Cullman0001
Strengths: o Ease of useo Shake Reduction for blurr-free imageso Feature packed automated settingso Flexible manual control (when desired)o Sharp, crisp, true-color imageso Multiple battery choices
Weaknesses: o NONE
Overall: This camera is a great way to transition from SLRs to DSLRs. It has wonderful pre-programmed modes to help the novice photographer get great shots, and also gives the experienced photographer the creativity of many manual settings/combinations (when desired). I've had my K100d for eight weeks and couldn't be happier. You also get a wide choice of lens options since it will allow the use of older (non-digital) lenses, which means you are spared the expense of restocking with all new lenses (if you already own pentax equipment). The best feature is the "shake reduction". Other vendors charge big bucks to get this kind of technology, but PENTAX made it affordable to the "regular joes" of the world. You will not be disappointed if you purchase this product !
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Reviewed by: leesep
Strengths: Low noise, shake reduction, backward lens compatibilty, lovely images, best value for money
Weaknesses: Same as all DSLR's - too big and heavy, too expensive for what they are
Overall: IMAGE QUALITYMy original plan was to buy the K100D body and use my old lenses until I had saved up for a top quality 18-200 zoom. However, I could get the package with the Pentax 18-55mm for only £20 more than the body only, a no brainer. So how good is this bundled lens. My main concern was that it might provide a resolution lower than the sensor could capture. I also tested my manual 50mm Chinon and 80-200mm Vivitar. The review sites generally agreed that around 1500 lines per picture height was available and that ?s what I got with all three lenses. In other words all 3 lenses are capable of resolving detail to the sensor?s limit. The 6mp sensor in this camera delivers far more lph than either the Fuji or Samsung 6mp compacts.I have left the camera at the delivered settings except for image tone which I set to natural rather than bright. I shot using raw and jpeg with no difference between the level of detail resolved. However, the jpegs do display some very minor colour moiré which isn?t there in raw-until you apply the camera settings. I haven?t had time to check out what causes this but suspect it could be the sharpening. In any case this is so minor it won?t impact on ?real? pictures.I?ve tried the multi segment and centre weighted metering and found both to be good although I think the centre weighting area is too small. My only other comment would be that there is the occasional slight under exposure from both which was hard to predict. I thought maybe half a stop compensation might cure it but it?s not consistent. This camera uses the same sensor as the Nikon D40 which I checked out before buying the Pentax. Image samples from the Nikon I found on the web were very good but there was the occasional burn out of highlights. The Pentax is maybe geared to avoiding burn out, the darker detail can be recovered using editing software. The dynamic range of the sensor could be a factor but you have to pay considerably more to go to the next level.What pleases me the most about the images from this camera is it?s very low noise. It seems as though the camera doesn?t have to apply much noise reduction or sharpening. This leaves pictures which are detailed and natural. Compared to say a 10mp Olympus I?d take the Pentax every time.If you submit pictures to agencies then the images respond well to interpolation (although of course this doesn?t pull out any extra detail). I don?t know what algorithm is used but the Pentax Raw converter software will save at larger image sizes and produce really good results. I?ve also tried interpolating jpegs using various algorithms (cubic etc) and the results are ok.The RAW processing software seems pretty good but I haven?t used it much to be honest as the jpeg?s are really good straight from the camera (natural image tone setting). Contrast is very realistic and adjusting with levels or curves isn?t really needed in most pictures.If you are taking a serious set of pictures use RAW, it leaves your options open but as a default the conversion software will apply the camera jpeg settings if you want it to. It?s a good base point to compare against. However, jpeg?s from this camera are really natural (use the natural image tone setting) and don?t lose any detail as far as I can tell.In my view if you have shot jpeg?s you shouldn?t have to do much processing on the PC. They should be right first time and that?s pretty much how they are from the K100D. Beyond all the measurements you still have to make a subjective judgement and I like pictures taken on this camera, they look as good as you can get at this price.CONCLUSIONPro?s Uses AA batteriesCompatible with most K mount lenses ever madeWorks with dedicated and basic flash guns Controls are easy to learnCan be used in many modes from full manual to point and shootShake reduction is very effectiveImage noise is very lowMinimal in camera processing (my guess) ensures fine detail is retained.Tough body.Good inbuilt flashGreat value compared to the competion. Nothing at the price offers better images, then add shake reduction, a good bundled lens and backward lens compatabilty for a well thought out SLR. Con?sSmall to medium for a digital SLR but (in my view) all digital SLR?s are a tad too big and heavy.Comparatively speaking a good buy but digital SLR?s should not cost this much.That?s it..Phil Leese
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Reviewed by: Kmare
Strengths: Price, compatible with older Pentax lenses, AA batterries
Weaknesses: Only 6M
Overall: I've been using this for 2 months now and have no complaints. My main usage is pictures of a grandbaby so the need for 8 - 10 Meg is not high on my list. The pictures have been outstanding. Even better is that I have an old K1000 35 mm and all my old lenses work with the K100D with no problem. That was the main reason I went with the Pentax. To top that off my old lenses get the benefit of the anti shake that is in the body of the Pentax. I use rechargeable 2700 NIMH batteries and have been exceptionally pleased with the results. I took over 500 pictures without recharging over about a 2 week period. So battery life is excellent. I also use a 4 GB SD card so the large capacity SD card does not appear to be an issue either.
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