---- Toine <to...@repiuk.nl> wrote: > Aha now I get it. A very small mirror would be the most accurate.
I'm not sure. To me, a larger mirrow would seem to be indicated to average out any irrgularities in the wall. The size of the mirror would seem to be irrelevant regarding squaring the camera to it. Possibly, it would be easier with a larger mirror. > > 2009/4/15 Luiz Felipe <luiz.fel...@techmit.com.br>: > > If you place a mirror flat against a flat surface, and position said mirror > > in the center of the frame and position your lens reflection at the center > > of the mirror, you're at the correct alignment to shoot the flat surface. > > > > The moment you see your reflection you're very close to being 90 degrees to > > the mirror plane. Placing the mirror in the middle of the frame and then > > seeing your image in the middle of the mirror is going very, very close to > > exactly 90 degrees to the mirror - and any flat surface against wich the > > mirror is paralel. > > > > You may use a strong flaslight, if your mirror is too small or farther away > > - you should see the light reflected back to the flashlight the moment it is > > 90 degrees to the mirror. No laser - you really don't want to look into a > > laser. > > > > LF > > > > Toine escreveu: > >> > >> I need to experiment with this. I can't visualize how a mirror helps > >> to align the ccd and the wall. > >> > >> Toine > >> > >> 2009/4/15 Luiz Felipe <luiz.fel...@techmit.com.br>: > >>> > >>> flat mirror with the back to the wall in the center of the frame to make > >>> sure you're properly aligned. > >> > >> -- > >> PDML Pentax-Discuss Mail List > >> PDML@pdml.net > >> http://pdml.net/mailman/listinfo/pdml_pdml.net > >> to UNSUBSCRIBE from the PDML, please visit the link directly above and > >> follow the directions. > >> > >> > > > > -- > > Luiz Felipe > > luiz.felipe at techmit.com.br > > http://techmit.com.br/luizfelipe/ > > > > -- > > PDML Pentax-Discuss Mail List > > PDML@pdml.net > > http://pdml.net/mailman/listinfo/pdml_pdml.net > > to UNSUBSCRIBE from the PDML, please visit the link directly above and > > follow the directions. > > > > -- > PDML Pentax-Discuss Mail List > PDML@pdml.net > http://pdml.net/mailman/listinfo/pdml_pdml.net > to UNSUBSCRIBE from the PDML, please visit the link directly above and follow > the directions. -- PDML Pentax-Discuss Mail List PDML@pdml.net http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.
