This a 33% crop.

Camera Model: Canon EOS 10D
Lens: Orion 600mm f7.5 ED Apocromatic
Firmware: Firmware Version 2.0.0
Date/Time: 2004:07:20 21:21:11
Shutter speed: 1 sec
Aperture: f7.5
Exposure mode: Manual
Flash: Off
Metering mode: Partial
Drive mode: Single frame shooting
ISO: 400
AF mode: Manual Focus
Image size: 3072 x 2048
Image quality: Raw
White balance: Daylight
Color space: sRGB
Saturation: Normal
Sharpness: Normal
Contrast: Normal
Tone: Normal