> http://www.zenit.istra.ru/archive/lenses/helios-40.html
> the russian text reads: "six lenses, coated, high-speed anastigmat > with somewhat longer, compared to normal lenses, focal length. has > an iris diafragm and a pre-set ring." The the K-mount MC Zenitar-K 85/1.4 would have to be a different design, since it uses 7 elements in 6 groups ( http://www.cetussoft.com/pentax/85compar/zk85f144.jpg ). Fred
