Webcam CCD  Calculator This interactive calculator gives you the field of view and pixel resolution of any webcam using a Sony ICX098BQ CCD chip. This includes the Celestron NexImage, Philips TouCam Pro/Pro II, SPC900NC & ATiK Instruments ATK-1C. Scope aperture Scope focal ratio Barlow lens Focal reducer   inch mm f/ None 1.5 x 2.0 x 2.5 x 2.8 x 3.0 x 3.5 x 4.0 x 4.5 x 5.0 x None 0.2 x 0.3 x 0.33 x 0.4 x 0.5 x 0.6 x 0.63 x 0.7 x 0.8 x Here is an analysis of your webcam's performance using the parameters selected above: .........

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