I'm not really sure the are iris, but they were pretty whatever they are.

Image information:
Camera:NIKON D70  Date:Saturday August 07,2004 11:11 AM
Shutter speed: 1/750  F-stop: 5.6  Focal length: 200.0mm (35mm equivalent: 300.0mm)  
Metering mode: Spot  

Post processing: Cropping, minor sharpening and levels