Mark, Absolutely wrong on both. Its the Tessar that produces the best resolution and bokeh. Peter K On Sat, 08 Jan 2005 20:12:04 -0800, Mark Rabiner <mark@xxxxxxxxxxxxxxxx> wr= ote: > I've been up all night for several nights wondering about if I should tra= de > in my Rolleiflex with 2.8 Carl Zeiss Planar. > The guy sitting next to me on the bus says the Schneider-Kreuznach* Xenot= ar > has better resolving power in the corners stopped down in lower light lev= els > close in with an orange filter. >=20 > Or as found in the FAQ says > The CZ or JSK? Say what!?! >=20 > CZ is Carl Zeiss of course. >=20 > *And JSK is Jos. Schneider, Bad-Kreuznach. > What happened to "JSB-K"!?!? >=20 > Apparently these do not come out of the "Bad" School of Lens design so I'= m > not worrying about that.) >=20 > Also while we're at it for backup which is better: >=20 > The CA Tessar or the JSK Xenar? >=20 > I'm interested in results from shots taken at infinity with a dark green > filter at high light levels in the Adirondacks. >=20 > Mark Rabiner > Photography > Portland Oregon > http://rabinergroup.com/ >=20 >=20 --=20 Peter K =D3=BF=D5=AC