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Pentax *ist D Image Noise This page attempts to practically illustrate the noise generated by a Pentax *ist D at each available EI (equivalent film ISO) in a wide brightness range image. Following is a set of constant aperture exposures captured using a Pentax *ist D at EI 200, EI 400, EI 800, EI 1600 and EI 3200: 
Illumination was full midday sunlight. The source images were saved in camera as full resolution Best quality jpg files, the image strips above are 1:1 crops saved as best quality jpg in sRGB CS. Camera settings were CS AdobeRGB, WB Daylight, Saturation 0, Sharpness -2 and Contrast -2. Some original EXIF data is available in the images. Top of pageDisclaimers and other information The text contained in this document represents my opinions only, and as such I will not be held liable for detrimental consequences that arise from the application of any information within or relating to this document. All references to trade marks and or trade names are acknowledged as belonging to their respective owners. This complete document may be copied, re-posted, linked-to or used within other publications providing that permission from the author is sought and granted and that there exists a visible reference to Rob Studdert as author in any referring text. Rob Studdert Design & Copyright © - Digital Image Studio 1998 |
