Thanks Ralf! > > Frits wrote: > > > How does IS work? I have seen it done with video camera's where > > it is done electronically, but how do you do it with a photo > > camera? > > It is done by adjusting a lens element with fast microdrives > (tilting I think), which compensates for the change of the optical > axis. This technique is also used in binoculars (e.g. Canon). It is > even possible to move the lens element with a clever mechanics alone, > but the precision effort is so high that this is not realized in > photo lenses. A pure mechanical image stabilized Zeiss binocular > exists (very expensive). > > This reminds me that Pentax holds an old Patent about an autofocus > shift lens. This lens uses an internal shift, means only one lens > element is moved to create a shift effect for architecture work. Like > many other Patents, this product never was marketed. > > Ralf - This message is from the Pentax-Discuss Mail List. To unsubscribe, go to http://www.pdml.net and follow the directions. Don't forget to visit the Pentax Users' Gallery at http://pug.komkon.org .
