If you are registered, you get access to the members only section, can participate in the buy & sell second hand forum and last but not least you can reserve your preferred username before someone else takes it.
It is perfectly OK to ask about something you don't know in this forum.
If you know about other good choices, please tell us so. Simply saying there is without telling is just no good. It might be hard to find a better alternative. The important reason is this is a 35mm f1,2. Have you ever seen a 35mm f1.2 in the past ? I, myself, have never seen one.
I heard from a number of sources saying that the lenses from the motion pictures are a lot better than those from the still cameras. So I really wish to know how good this one is.
It is very difficult to make a good 35mm f1,2, even Leica did not make it.
One comparable ex&le is Leica 35m f1.4 ASPH. This lens is more expensive than this Arriflex Zeiss lens. It only goes to f1.4 though.
If one wants to know what happens at f1.2, you really have no choice but to try this Arriflex lens. There is no alternatives.