with my newish 50mm macro and extension tube. This is some plant or other that was given to us over Xmas.
This is with the extension tube poking into the stamen.

Camera Make: OLYMPUS CORPORATION
Camera Model: E-1
Image Date: 2006:01:22 08:43:14
Flash Used: Yes (Manual)
Focal Length: 50.0mm
Exposure Time: 0.050 s (1/20)
Aperture: f/16.0
ISO equiv: 100
Metering Mode: Matrix
Exposure: Manual
and this is the plant taken without the extension tube:

Camera Make: OLYMPUS CORPORATION
Camera Model: E-1
Image Date: 2006:01:22 08:34:54
Flash Used: Yes (Manual)
Focal Length: 50.0mm
Exposure Time: 0.040 s (1/25)
Aperture: f/5.6
ISO equiv: 100
Metering Mode: Matrix
Exposure: Manual