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Old 08-10-2008, 02:33 PM
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bojan is offline
Join Date: Jul 2006
Location: Mt Waverley, VIC
Posts: 5,879
200mm is 200mm...

Focal reducer reduces this FL by a certain factor (1.4x for example), this is then 142mm.

Forget about crop factor. It only shows how much the field of view is reduced, compared with standard 36x24mm frame (because sensor is smaller in those cameras, usually 22.2x14.8mm).
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