What did you use
lens, settings etc...
This is the Exif info...
EXIF IFD0
* Camera Make {0x010F} = PENTAX Corporation
* Camera Model {0x0110} = PENTAX K10D
* Picture Orientation {0x0112} = normal (1)
* Last Modified Date/Time {0x0132} = 2011:03:20 10:42:35
EXIF Sub IFD
* Exposure Time (1 / Shutter Speed) {0x829A} = 1/250 second ===> 0.004 second
* Lens F-Number / F-Stop {0x829D} = 80/10 ===> ƒ/8
* ISO Speed Ratings {0x8827} = 100
* Original Date/Time {0x9003} = 2011:03:19 22:24:23
* Flash {0x9209} = Flash did not fire, compulsory flash mode
* Focal Length {0x920A} = 26000/100 mm ===> 260 mm
* Image Width {0xA002} = 485 pixels
* Image Height {0xA003} = 483 pixels
Did you apply the sharpen in the camera or in post processing, maybe a bit much was applied, just a thought??
Frank