Originally posted by FunkyMonk If you are interested in Zeiss, then I'll go ahead and post.... Zeiss has discontinued the manufacturing of their lenses in the Pentax K format, about 6 months ago. So they are selling off their inventory.
There is an alternative to the new Zeiss, and depending on your specific focal length needs, you can reduce your costs, while maintaining the quality. Zeiss supplied lenses for the Contax professional line of film cameras. Production stopped in 2005. These specific lenses have what is called the C/Y or MM mount, and is very close to the Pentax K mount. There is a company in Spain that manufactures a conversion mount for about $100. You can search ebay and or craigslist for these Contax lenses acquire one, either convert it yourself - takes about 10 minutes, does not damage the lens, fully reverseable, or you can have the company in Spain do it, or have Eric Henderson do it. You can take a look at the link at...
You will want to stay with the list of lenses listed on the Leitax website. You also ONLY want a lens that has a the largest f stop value in
green. If its in white its the wrong (older) mount.
Cost -
18mm and 21mm are expensive - about $1800
25, 28 and 35 are much more reasonable at around $300 to $400
I acquired a 28/f2.8 mint condition for $250 and spent another $140 on conversion (parts, labor and postage) - I had Eric do my for me, because I did not want to butcher a really fine lens. So my total cost is a tad under $400, but compare that to a new Zeiss ZK for $1200 (28/2) and about the same price for a FA31 Ltd. Going this route reduces your price by about 2/3. Either way - you still only have a manual lens, and they will both be native K mount lenses. The older CZ lens are considered to be every bit as good as the new ones, so do not let their age put you off. For landscapes manual is just fine, since you are out to infinity anyway - focusing is relatively straight forward. Note - there are 2 Contax 28mm, one f2 and the other f2.8. The f2 runs high due to its popularity in that everyone believes that they need a very fast lens. f2.8 is wonderfully fast for landscapes (f4 is the sweep spot on this lens).
... so hope that helps some.