Archived posting to the Leica Users Group, 2014/01/09
[Author Prev] [Author Next] [Thread Prev] [Thread Next] [Author Index] [Topic Index] [Home] [Search]Turns out there's a Wiki for " Zeiss Sonnar" http://en.wikipedia.org/wiki/Zeiss_Sonnar Its quite a story I'm betting the bulk of it is true! My first Zeiss lens was a 150mm f4 Sonnar for my new then Hasselblad. A motorized ELM. My only lens for that camera for years I used on my white backdrop. If I needed a normal I'd use my Rolleiflex twin lens with Zeiss 2.8 Planar. They I got one of those for my Hasselblad. And a wide. On 1/9/14 6:21 PM, "Paul Roark" <roark.paul at gmail.com> wrote: > I would expect Leica would improve things, but the increase in MP also > probably makes it more difficult to even stay even. > > Of course, as a B&W shooter, the smearing of the edges is what I'm really > most interested in. That is not going to be simply a software fix. > > It looks like Sony-Zeiss are pursuing both the sensor design approaches > (including micro-lenses and making the sensor as thin as possible) as well > as going to optical designs that reduce the angle of incidence for the wide > angle lenses. However, Sony clearly opted to go for high MP and write off > legacy M optics less than 50mm for critical shooters. I suspect there are > many times as many potential customers who are interested in only their SLR > optics' compatibility, and those people are easy to satisfy. Also, whether > they thought about this or not, it forced people like me to use their OEM > 35mm and discover how good it is and what all the totally integrated system > can achieve. > > Leica, I would assume, feels more pressure to make a sensor design that > works acceptably well with its legacy lenses. Thus I assume Leica will > maintain it's lead on edge performance with their legacy optics. I > suspect, however, that they will compromise their designs in that direction > only enough to slightly improve the edge, while concentrating on a path > that looks at ultimate performance down the road with the new optical > designs it'll be coming up with that reduce the light angles. > > For both I would think holding down the size of the optics is a major > factor. Both the Sony A7 and M appeal to hand held shooting and compact > designs. The huge old retrofocus designs are not very appealing. > > I don't know enough about optics to know what the Sony-Zeiss 35 is, > design-wise. They call it a "Sonnar," which seemed a bit random to me. > Now I think it's probably tied to the fact that it is designed to perform > well wide open and it's light. (At > http://www.sony.net/Products/di/en-us/products/lenses/lineup/detail/sel35f28z. > html > they > have a diagram of the design.) > > It's going to be fun to watch the competition for the high end, mobile > shooters. We will all benefit from in. > > Paul > www.PaulRoark.com > > _______________________________________________ > Leica Users Group. > See http://leica-users.org/mailman/listinfo/lug for more information -- Mark William Rabiner Photographer http://gallery.leica-users.org/v/lugalrabs/