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Table 1 Inter-scope comparison of magnification with optical axis aligned.

From: Quantification of the magnification and distortion effects of a pediatric flexible video-bronchoscope

Bronchoscope No. Distance mm Circle A Circle B Circle C Circle D
324 30 3.0938 3.1601 3.2913  
292 30 3.0984 3.1963 3.3258  
039 30 3.0820 3.2083 3.3191  
324 15 5.5356 6.2137 6.4443 6.4918
292 15 5.5016 6.1527 6.3062 6.3832
039 15 5.4997 6.1107 6.6364 6.4358
324 10   8.9428 9.5024 9.6755
292 10   8.5663 9.0650 9.3453
039 10   8.5663 9.0649 9.3449
324 5    17.6819 19.8996
292 5    15.9314 17.0974
039 5    15.6890 16.7272
324 3     32.4274
292 3     26.1051
039 3     24.7775