Pentax K100D Super

APS-C AF digital SLR camera

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Specification

Production details
Announced:June 2007
System: Pentax K APS-C (2003)
Imaging plane
Maximum format:APS-C
Mount and Flange focal distance:Pentax K [45.5mm]
Imaging plane:23.5 × 15.7mm CCD sensor
Resolution:3008 × 2008 - 6 MP
Shutter
Type:Focal-plane
Model:Electronically controlled
Speeds:30 - 1/4000 + B
Sensor-shift image stabilization:Yes
Exposure
Exposure metering:Through-the-lens (TTL), open-aperture
Exposure modes:Programmed Auto
Aperture-priority Auto
Shutter-priority Auto
Manual
Physical characteristics
Weight:570g
Dimensions:129.5x92.5x70mm

Manufacturer description

28th June 2007: PENTAX U.K. launches the PENTAX K100D Super, a new standard-class digital SLR camera boasting advanced features to enable photographers of all levels to produce the highest quality images with minimum effort.

Based on the extremely popular PENTAX K100D lens-interchangeable digital SLR camera, the easy-to-hold and easy-to-use K100D Super features an innovative Dust Removal (DR) system to keep dust off the CCD surface and ensure optimum image quality. It also incorporates the PENTAX-developed Shake Reduction (SR) system which reduces camera shake for sharp, blur-free images even under the most demanding shooting conditions such as when using a telephoto lens or for extended exposures for sunset and night scenes.

The K100D Super’s sophisticated SAFOX VIII auto-focus system has 11 sensor points (with nine cross-type sensors in the middle) to automatically capture off centre subjects in crisp focus. By combining 6.1 effective megapixels with a high-performance imaging engine and advanced image-processing technologies, the K100D Super is designed to produce beautiful true-to-life images that are rich in gradation. In addition, it boasts a choice of two finishing touches of “natural” or “bright” to create a distinctive atmosphere and an Auto Picture mode for effortless point and shoot photography.

The K100D Super accepts both conventional SD memory cards and also the newly standardised SDHC cards which allow a much greater number of images to be stored on the camera.

Main Features:

1. PENTAX original Shake Reduction mechanism for sharp, blur-free images

Using magnetic force, this SLR system shifts the camera’s image sensor vertically and horizontally at the optimum speed to compensate for the amount of camera shake detected, assuring outstanding compensation effects (equivalent to approximately 2 to 3.5 shutter steps). Since this versatile system is compatible with all existing PENTAX interchangeable lenses*, it does not require special anti-shake lenses equipped with add-on optics or devices.

*Compatible with K-, KA-, KAF-, KAF2-mount lenses without an adaptor, and screw-mount, 645-system and 67-system lenses with an adaptor. Available functions may be limited with certain lenses.

2. Dust Removal system to keep dust off the CCD surface

Applied to the CCD surface through a vapour deposition process of a fluorine compound, the PENTAX-original Super Protect (SP) coating effectively removes dust and stains from the surface. In the next step, dust that still remains on the surface will be shaken off when the SR system shifts the CCD at high speed. The dust that is shaken off the CCD will fall onto an adhesive sheet positioned at the bottom of the SR unit, eliminating any possibility of its returning to the CCD surface.

3. Auto sensitivity control up to 3200 standard output sensitivity

The K100D Super features an auto sensitivity control function, which automatically sets the optimum standard output sensitivity — up to 3200, which is the highest automatic setting in its class — based on such data as the subject’s brightness level and the lens’ focal length. Since this function allows the use of higher shutter speeds in poor lighting situations (such as indoor sports events and night scenes), it helps the photographer to effectively reduce camera shake and prevent blurred images. The user can pre-program a desired level, from ISO 200 to the super-high sensitivity of the ISO 3200.

4. Auto Picture Mode for effortless point-and-shoot SLR photography

The PENTAX-original Auto Picture mode automatically and instantly selects one of five picture modes (including portrait, landscape, and macro) to create the most appropriate visual effect for a given subject. Since the camera sets all primary parameters (including shutter speed, aperture, white balance, saturation, contrast and sharpness), the photographer can concentrate on picture composition and shutter opportunity.

5. 11-point wide-frame AF to capture off-centre subjects in crisp focus

The K100D Super’s sophisticated SAFOX VIII autofocus system features 11 sensor points (with nine cross-type sensors in the middle) to automatically focus on the subject with utmost precision, even when it is positioned off centre. The in-focus sensor point is automatically superimposed in red in the viewfinder for at-a-glance confirmation.

6. Large LCD monitor to facilitate image viewing and menu setting

The K100D Super features a large 2.5-inch colour LCD monitor on its back panel. Its wide-view design allows the photographer to check the monitor image over 140 degrees vertically and horizontally, ensuring effortless image viewing even from a diagonal position. It provides 210,000 pixels for high-resolution image viewing, with a zoom display function that lets users magnify images up to 12 times.

7. Bright, clear viewfinder

The K100D Super features a lightweight penta-mirror viewfinder, which combines PENTAX-original finder optics with a Natural-Bright-Matte II focusing screen to deliver a bright, clear subject image with a 0.85-times magnification and a 96-percent field of view.

8. True-to-life, rich-gradation images assured by 6.1 effective megapixels

The K100D features a large, high-performance 23.5mm x 15.7mm CCD as its image sensor, assuring the faithful reproduction of the desired photographic intention in the resulting images — from images with beautiful out-of-focus backgrounds to those with edge-to-edge sharpness.

9. Compatibility with high-quality, high –capacity SDHC memory card

The K100D Super accepts not only the conventional SD memory card as its storage media, but also the newly standardized SDHC card, ** which allows the user to store a great number of large data files, such as RAW-format images.

** SD High Capacity card, with a storage capacity exceeding 2 GB

10. Compatibility with SDM system for smoother, quieter auto-focusing operation

The K100D Super’s camera body is compatible with a new SDM system,which assures smoother, quieter autofocusing operation using a built in supersonic motor. When the lens equipped with SDM system is mounted on the PENTAX K100D Super camera body, the focus mode is automatically switched to SDM assisted autofocusing.

11. Compact, lightweight body with optimum holding comfort

The K100D Super has been designed to be compact and lightweight for easy carrying and enhanced maneuverability. It also offers an easy-to-hold grip to assure a stable shooting position.

12. Other features

  • 19 custom functions to personalise camera operations
  • Consecutive shooting of up to five frames at the speed of approximately 2.8 frames per second (at BEST image quality in JPEG format)
  • Eight distinctive Scene modes to accommodate specific subjects/applications
  • Choice of two preview functions (digital/optical)
  • Choice of 16-segment multi-pattern metering, centre-weighted metering and spot metering to accommodate various photographic applications
  • Noise reduction mechanism to reduce digital noise during extended exposures
  • Dual power source (two CR-V3 lithium batteries, or four AA-size batteries)
  • USB 2.0 (HI-SPEED) compatibility for speedy data transfer to PC
  • Five digital filters (black-and-white, sepia, slim, soft and brightness) for easy editing of recorded images
  • PENTAX PHOTO Laboratory 3 RAW data and image processing software and PENTAX PHOTO Browser 3 image browser software included on the accompanying CD-ROM
  • Compatibility with PictBridge, DPOF, Exif Print and PRINT Image MatchingⅢ formats
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35mm full frame

43.27 24 36
  • Dimensions: 36 × 24mm
  • Aspect ratio: 3:2
  • Diagonal: 43.27mm
  • Area: 864mm2

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Image stabilizer

A technology used for reducing or even eliminating the effects of camera shake. Gyro sensors inside the lens detect camera shake and pass the data to a microcomputer. Then an image stabilization group of elements controlled by the microcomputer moves inside the lens and compensates camera shake in order to keep the image static on the imaging sensor or film.

The technology allows to increase the shutter speed by several stops and shoot handheld in such lighting conditions and at such focal lengths where without image stabilizer you have to use tripod, decrease the shutter speed and/or increase the ISO setting which can lead to blurry and noisy images.

Original name

Lens name as indicated on the lens barrel (usually on the front ring). With lenses from film era, may vary slightly from batch to batch.

Format

Format refers to the shape and size of film or image sensor.

35mm is the common name of the 36x24mm film format or image sensor format. It has an aspect ratio of 3:2, and a diagonal measurement of approximately 43mm. The name originates with the total width of the 135 film which was the primary medium of the format prior to the invention of the full frame digital SLR. Historically the 35mm format was sometimes called small format to distinguish it from the medium and large formats.

APS-C is an image sensor format approximately equivalent in size to the film negatives of 25.1x16.7mm with an aspect ratio of 3:2.

Medium format is a film format or image sensor format larger than 36x24mm (35mm) but smaller than 4x5in (large format).

Angle of view

Angle of view describes the angular extent of a given scene that is imaged by a camera. It is used interchangeably with the more general term field of view.

As the focal length changes, the angle of view also changes. The shorter the focal length (eg 18mm), the wider the angle of view. Conversely, the longer the focal length (eg 55mm), the smaller the angle of view.

A camera's angle of view depends not only on the lens, but also on the sensor. Imaging sensors are sometimes smaller than 35mm film frame, and this causes the lens to have a narrower angle of view than with 35mm film, by a certain factor for each sensor (called the crop factor).

This website does not use the angles of view provided by lens manufacturers, but calculates them automatically by the following formula: 114.6 * arctan (21.622 / CF * FL),

where:

CF – crop-factor of a sensor,
FL – focal length of a lens.

Mount

A lens mount is an interface — mechanical and often also electrical — between a camera body and a lens.

A lens mount may be a screw-threaded type, a bayonet-type, or a breech-lock type. Modern camera lens mounts are of the bayonet type, because the bayonet mechanism precisely aligns mechanical and electrical features between lens and body, unlike screw-threaded mounts.

Lens mounts of competing manufacturers (Canon, Nikon, Pentax, Sony etc.) are always incompatible. In addition to the mechanical and electrical interface variations, the flange focal distance can also be different.

The flange focal distance (FFD) is the distance from the mechanical rear end surface of the lens mount to the focal plane.

Lens construction

Lens construction – a specific arrangement of elements and groups that make up the optical design, including type and size of elements, type of used materials etc.

Element - an individual piece of glass which makes up one component of a photographic lens. Photographic lenses are nearly always built up of multiple such elements.

Group – a cemented together pieces of glass which form a single unit or an individual piece of glass. The advantage is that there is no glass-air surfaces between cemented together pieces of glass, which reduces reflections.

Focal length

The focal length is the factor that determines the size of the image reproduced on the focal plane, picture angle which covers the area of the subject to be photographed, depth of field, etc.

Speed

The largest opening or stop at which a lens can be used is referred to as the speed of the lens. The larger the maximum aperture is, the faster the lens is considered to be. Lenses that offer a large maximum aperture are commonly referred to as fast lenses, and lenses with smaller maximum aperture are regarded as slow.

In low-light situations, having a wider maximum aperture means that you can shoot at a faster shutter speed or work at a lower ISO, or both.

Closest focusing distance

The minimum distance from the focal plane (film or sensor) to the subject where the lens is still able to focus.

Closest working distance

The distance from the front edge of the lens to the subject at the maximum magnification.

Magnification ratio

Determines how large the subject will appear in the final image. For example, a magnification ratio of 1:1 means that the image of the subject formed on the film or sensor will be the same size as the subject in real life. For this reason, a 1:1 ratio is often called "life-size".

Manual focus override in autofocus mode

Allows to perform final focusing manually after the camera has locked the focus automatically. Note that you don't have to switch camera and/or lens to manual focus mode.

Manual focus override in autofocus mode

Allows to perform final focusing manually after the camera has locked the focus automatically. Note that you don't have to switch camera and/or lens to manual focus mode.

Electronic manual focus override is performed in the following way: half-press the shutter button, wait until the camera has finished the autofocusing and then focus manually without releasing the shutter button using the focusing ring.

Manual diaphragm

The diaphragm must be stopped down manually by rotating the detent aperture ring.

Preset diaphragm

The lens has two rings, one is for pre-setting, while the other is for normal diaphragm adjustment. The first ring must be set at the desired aperture, the second ring then should be fully opened for focusing, and turned back for stop down to the pre-set value.

Semi-automatic diaphragm

The lens features spring mechanism in the diaphragm, triggered by the shutter release, which stops down the diaphragm to the pre-set value. The spring needs to be reset manually after each exposure to re-open diaphragm to its maximum value.

Automatic diaphragm

The camera automatically closes the diaphragm down during the shutter operation. On completion of the exposure, the diaphragm re-opens to its maximum value.

Fixed diaphragm

The aperture setting is fixed at F/ on this lens, and cannot be adjusted.

Number of blades

As a general rule, the more blades that are used to create the aperture opening in the lens, the rounder the out-of-focus highlights will be.

Some lenses are designed with curved diaphragm blades, so the roundness of the aperture comes not from the number of blades, but from their shape. However, the fewer blades the diaphragm has, the more difficult it is to form a circle, regardless of rounded edges.

At maximum aperture, the opening will be circular regardless of the number of blades.

Weight

Excluding case or pouch, caps and other detachable accessories (lens hood, close-up adapter, tripod adapter etc.).

Maximum diameter x Length

Excluding case or pouch, caps and other detachable accessories (lens hood, close-up adapter, tripod adapter etc.).

For lenses with collapsible design, the length is indicated for the working (retracted) state.

Weather sealing

A rubber material which is inserted in between each externally exposed part (manual focus and zoom rings, buttons, switch panels etc.) to ensure it is properly sealed against dust and moisture.

Lenses that accept front mounted filters typically do not have gaskets behind the filter mount. It is recommended to use a filter for complete weather resistance when desired.

Fluorine coating

Helps keep lenses clean by reducing the possibility of dust and dirt adhering to the lens and by facilitating cleaning should the need arise. Applied to the outer surface of the front and/or rear lens elements over multi-coatings.

Filters

Lens filters are accessories that can protect lenses from dirt and damage, enhance colors, minimize glare and reflections, and add creative effects to images.

Lens hood

A lens hood or lens shade is a device used on the end of a lens to block the sun or other light source in order to prevent glare and lens flare. Flare occurs when stray light strikes the front element of a lens and then bounces around within the lens. This stray light often comes from very bright light sources, such as the sun, bright studio lights, or a bright white background.

The geometry of the lens hood can vary from a plain cylindrical or conical section to a more complex shape, sometimes called a petal, tulip, or flower hood. This allows the lens hood to block stray light with the higher portions of the lens hood, while allowing more light into the corners of the image through the lowered portions of the hood.

Lens hoods are more prominent in long focus lenses because they have a smaller viewing angle than that of wide-angle lenses. For wide angle lenses, the length of the hood cannot be as long as those for telephoto lenses, as a longer hood would enter the wider field of view of the lens.

Lens hoods are often designed to fit onto the matching lens facing either forward, for normal use, or backwards, so that the hood may be stored with the lens without occupying much additional space. In addition, lens hoods can offer some degree of physical protection for the lens due to the hood extending farther than the lens itself.

Teleconverters

Teleconverters increase the effective focal length of lenses. They also usually maintain the closest focusing distance of lenses, thus increasing the magnification significantly. A lens combined with a teleconverter is normally smaller, lighter and cheaper than a "direct" telephoto lens of the same focal length and speed.

Teleconverters are a convenient way of enhancing telephoto capability, but it comes at a cost − reduced maximum aperture. Also, since teleconverters magnify every detail in the image, they logically also magnify residual aberrations of the lens.

Lens caps

Scratched lens surfaces can spoil the definition and contrast of even the finest lenses. Lens covers are the best and most inexpensive protection available against dust, moisture and abrasion. Safeguard lens elements - both front and rear - whenever the lens is not in use.