Center USAF 1951 Pattern
EF 50mm f/1.4 Lens @ f/1.4 and f/5.6 with EOS 20D, EOS 40D, EOS 400D Digital Rebel XTi

f1.4_20D_IMG_4284 f1.4_40D_IMG_0169 f1.4_XTi_IMG_0178
f1.4_20D_IMG_4284.jpg f1.4_40D_IMG_0169.jpg f1.4_XTi_IMG_0178.jpg
f5.6_20D_IMG_4296 f5.6_40D_IMG_0181 f5.6_XTi_IMG_0190
f5.6_20D_IMG_4296.jpg f5.6_40D_IMG_0181.jpg f5.6_XTi_IMG_0190.jpg