On 21/10/02 at 09:54, [EMAIL PROTECTED] (Kotsinadelis, Peter (Peter)) wrote:
> Hi Joe, > > Yes the older lenses are quite fun to use. Always interesting to see what > design they are based on. The Ektar (actually dates to a 1936 design) is an > Opic type lens that is probably closest to a Planar type lens. When you look > at most lenses of that era and even in today, you find that 3 designs > dominate, the Planar, Sonnar, and Tessar. The Nikon 50mm F1.4 was a Sonnar > design, Yes. > the new Canon 50mm F1.4 like many others is a Planar derivative. Do you mean here the 1950's rangefinder lens I use or the 50/1.4 EF lens (which I'm going to get shortly...)? > Your Nikkor 105mm F2.5 Micro is claimed to be based on the Xenotar which is > really a Planar-type lens (both of which are Gaussian lenses). I thought the 105 was a Sonnar type- you might already have seen this page that states that- http://www.dantestella.com/technical/nikoleic.html > Even the > Leica lenses can be traced back to turn of the century designs. > > Peter K What I'd like ideally is a book that explains lens history. I've tried to get Rudoph's "History of the Photographic Lens" but I think it is no longer in print. Joe B. * **** ******* *********************************************************** * For list instructions, including unsubscribe, see: * http://www.a1.nl/phomepag/markerink/eos_list.htm ***********************************************************
