everything was handheld have yet to take the step and get a tripod setup yet but I can understand what you said about the f-stop went looking through the pics and came across these two
File size: 103128 bytes
File date: 2007:10:28 09:54:40
Camera make: PENTAX Corporation
Camera model: PENTAX K100D
Date/Time: 2007:10:25 16:58:47
Resolution: 800 x 531
Flash used: No
Focal length: 50.0mm (35mm equivalent: 75mm)
Exposure time: 0.300 s (1/3)
Aperture: f/22.0
ISO equiv.: 800
Exposure bias: 1.50
Whitebalance: Manual
Metering Mode: matrix
Exposure: aperture priority (semi-auto)
Exposure Mode: Auto bracketing
File size: 131107 bytes
File date: 2007:10:28 09:54:19
Camera make: PENTAX Corporation
Camera model: PENTAX K100D
Date/Time: 2007:10:25 16:58:18
Resolution: 800 x 531
Flash used: No
Focal length: 63.0mm (35mm equivalent: 94mm)
Exposure time: 0.050 s (1/20)
Aperture: f/9.5
ISO equiv.: 800
Exposure bias: 1.50
Whitebalance: Manual
Metering Mode: matrix
Exposure: aperture priority (semi-auto)
Exposure Mode: Auto bracketing
i think the second has better clarity for the rocks