Am 21.03.15 um 22:15 schrieb Larry Colen:
I have often wondered if some zoom designs shift their point of focus at different focal lengths.
They definitely do. Otherwise one couöd zoom in, focus much more precisely and zoom out again. You'll admit that this would be far too easy...
Ralf -- Ralf R. Radermacher - Köln/Cologne, Germany Blog : http://the-real-fotoralf.blogspot.com Audio : http://aporee.org/maps/projects/fotoralf Web : http://www.fotoralf.de -- 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.
