Pentax K20D User Manual download pdf (Page 2)

interchangeable lenses. It also keeps digital noise to a minimum by automatically raising its own

sensitivity, allowing it to increase the sensitivity from ISO 100 to the highest level of ISO 6400

(via a custom function).

[2] Approximately 14.6 effective megapixels for true-to-life, rich-gradation images:

The K20D features a newly-developed 14.6 MP CMOS sensor. Coupled with a high-performance

imaging engine incorporating PENTAX-original image-processing technologies, it assures fine-

detailed, rich-gradation images. The K20D also features a new Custom Image function, which

lets the photographer select one of six finishing touches to reflect his or her creative intentions

with great ease with the ability to further fine tune them.

[3] High-performance, high-speed PRIME imaging engine:

The K20D incorporates the PENTAX-original PRIME (Pentax Real IMage Engine) as its

imaging engine. Designed exclusively for PENTAX digital SLR cameras, it assures well-

balanced, true-to-life images with faithful colour reproduction by efficiently controlling digital

signals transmitted by the CMOS image sensor and other photographic factors, including white

balance. This imaging engine also features a DDR2 (Double Data Rate 2) memory to assure

speedy image processing and high-speed data transfer.

PENTAX-original SR (Shake Reduction) mechanism

The K20D is equipped with the PENTAX-developed SR (Shake Reduction) mechanism, which

effectively reduces camera shake for sharp, blur-free images even under demanding shooting

conditions, such as when using a telephoto lens, shooting at night without supplementary flash

illumination, or using extended exposures for sunset scenes. This innovative mechanism offers an

outstanding compensation effect equivalent to approximately 2.5 to 4 shutter-speed steps. The

lighter image sensor unit and refined data-control algorithm provide further image stabilization

resulting in more effective SR operation. This SR system extends outstanding shake-reduction

benefits to nearly all existing PENTAX interchangeable lenses.*

* Lenses compatible with this mechanism are: PENTAX K

, KA

F-

and KA

-mount lenses, screw-mount

lenses (with an adapter); and 645- and 67-system lenses (with an adapter). Some functions may not be

applicable with certain lenses.

New Live View function

The K20D features a new Live View function, which allows the user to view the image on the

LCD monitor during shooting. This comes in handy when the photographer must move their eye

from the viewfinder in specialized applications, such as low- and high-angle compositions. This

function also allows the user to confirm the shake-reduction effect on the monitor during

shooting.

Expanded Dynamic Range function

The K20D has added a dynamic-range expansion function, which allows the user to expand a

dynamic range (or a range of gradation reproduction) while retaining the proper contrast to avoid

white-washed areas. With an approximately 1EV expansion effect, it assures beautiful, rich-

gradation images.

Comprehensive Dust Removal system

The K20D features the user-friendly Dust Removal (DR) system to prevent dust from sticking to

the surface of the CMOS image sensor (or low-pass filter). Applied to the image sensor surface

through the vapor deposition of a fluorine compound, the PENTAX-original SP (Super Protect)

coating effectively prevents dust and stains from sticking to the surface. Any dust that remains on

the surface of the image sensor is shaken off when the SR system shifts the image sensor at high

speed. Dust that is shaken off the image sensor falls onto an adhesive sheet positioned at the

bottom of the SR unit, eliminating any possibility of its returning to the image sensor surface.

This upgraded DR system offers a new Dust Alert function, which allows the user to check for

dust on the image sensor in advance.

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Pentax K20D User Manual Page 2

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