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This way, one can show a 2.76:1 presentation like Battle of the Bulge and others, but when one drops down to 1:85:1, 1.66:1 and especially 1.33:1 material, one can vary the zoom so that the vertical picture height is increased as the width of the projected image decreases.With respect to the scope lens attachments also mentioned in the article, the way I understand this, all of them would be for
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