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4 April 2017

13 August 2013

12 August 2013

5 August 2013

3 August 2013

2 August 2013

  • curprev 15:0515:05, 2 August 2013Rfhall talk contribs 183 bytes +183 Created page with "* Multi-element lenses * Anamorphic lenses * Selecting the correct focal length - formula, etc * 16mm lenses * Manufacturers, etc. * Cleaning lenses [[Category:Projector comp..."