https://www.youtube.com/watch?v=pTSkRIw1m60
On Mon, Sep 25, 2017 at 2:23 AM, David Mann <[email protected]> wrote: > On Sep 25, 2017, at 12:21 PM, Mark C <[email protected]> wrote: > >> Aside from banding the problem with ambient light is that there can be a >> surprising amount of movement in subjects due to minor air currents or >> vibration. > > Many moons ago I visited a lab that produced holograms. They said mushrooms > grow too fast to be imaged without using a high-power pulse laser (which they > didn't have). Speaking across the optical table was avoided due to the > vibrations. It only would have taken a few tens of nanometres to cause > problems. > > Cheers, > Dave > > > -- > PDML Pentax-Discuss Mail List > [email protected] > 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 [email protected] http://pdml.net/mailman/listinfo/pdml_pdml.net to UNSUBSCRIBE from the PDML, please visit the link directly above and follow the directions.

