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Double-porro-prism.png (400 × 261 pixel, file size: 11 KB, MIME type: image/png)

Double Porro prism;


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File history

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  • (del) (cur) 01:06, 9 October 2004 . . DrBob ( Talk | contribs) . . 400×261 (10,780 bytes) (pngcrushed version)
  • (del) (rev) 22:15, 16 March 2004 . . DrBob ( Talk | contribs) . . 400×261 (13,067 bytes) (Double Porro prism; {{msg:GFDL}})

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