Excalibur2
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Actually, pre WWII. It's a recalculation of prewar Zeiss Sonnar designs. And yes, it's one of the all time great lenses.![]()
erm Why was it discontinued?
Actually, pre WWII. It's a recalculation of prewar Zeiss Sonnar designs. And yes, it's one of the all time great lenses.![]()
erm Why was it discontinued?
It was replaced with a Gauss type in the same focal length and barrel in the 70s, the Gauss (symmetrical) design has slightly sharper close-focus performance. Just what you want for a portrait lens....![]()
Sounds logicalI bet "not a lot of people know that"
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I'd have thought it makes good sense to have a sharp 105mm lens. Those wanting soft portraits can always add a filter to get the desired effect, and you'll be able to sell the lenses to people who want a sharp short telephoto as well.
IIRC the Sonnar design was supposed to be at its sharpest at the largest aperture (it was originally designed for shooting sporting events at the 1936 Olympics)?
Interesting - could be that the site I read that on had been confused by the special olympic design and thought it was the original (and that all Sonnars were designed that way).
Kingslake discusses the development of the Sonnar series of lenses in 'A History of the Photographic Lens'. These lenses were designed by Ludwig Bertele who worked for Ernemann before becoming a Zeiss employee when Ernemann was absorbed into the Zeiss Ikon conglomerate in 1926. His first Sonnar type lenses were the Ernostars mounted on Ermanox cameras in the mid 1920s. He started designing Sonnars for Zeiss beginning in 1930. His f2.0 Sonnar lens was released in 1931.
Kingslake also mentions the first Sonnar type lenses to go on the market were designed by Charles Minor of Chicago in 1916. His designs were marketed by Gundlach as the Ultrastigmat as a fast motion picture taking lens. Scroll up a bit at the following link to see the paragraph on the Ultrastigmats.
http://books.google.com/books?id=OJ...a=X&ei=eclhULCpEoKL2AXHyYG4Cw&ved=0CEUQ6AEwBQ
It was replaced with a Gauss type in the same focal length and barrel in the 70s, the Gauss (symmetrical) design has slightly sharper close-focus performance. Just what you want for a portrait lens....![]()
I have read on the internet (so it must be true) that Nikon was a little surprised that the Sonnar 105 was becoming popular as a portrait lens and not just a short tele. Perhaps they expected the 85 f/2 to keep that crown. So they improved the 105's near range performance with the Gauss design. The fact that they extracted still more resolution in general use is just the icing on the cake. I've shot both side by side using Tech Pan and the Gauss is a tiny bit sharper (although this might have been just visual due to an increase in contrast) but it took a 32x enlargement to see it and then only barely, in the wings of a distant bird over Long's Peak. I'll print up the neg and post a couple images.
s-a
That's pretty much the same reason I read of.
I'll be interested in the images!
...maybe I'll get a Gauss version too.......![]()
So 32x is about 32" x 48". And that size print would properly be viewed at say 6 to 10 feet, at which distance it would look fabulous. God I miss TechPan.
I took a slide in 1998, on the Rhine river of the Marksburg castle at a distance of a bit more than a mile. Handheld at 1/500 and whatever f stop worked that day - say f:5.6 to f:8 - with 100 speed Agfachrome, the weathervane atop one of the towers is clearly reproduced (although the film is losing it) and you can read the wind's direction. This with a silver-nose Sonnar 105 made about 1968, with some light coating marks on the front. I miss Agfachrome too.
Thanks for printing that and posting it.![]()
This Rollei film? http://www.digitaltruth.com/products/rollei_atp.php
I 've owned several Nikon F's and F2's in the past and they are excellent cameras, but I.M.O. although they came late to the pro sytem camera party Canon's F1's system got it even more right, the Canon New F1 was I.M.O.the ultimate manual focus pro system S.L.R.
That's true Les, but the the F1 in 1971 was Canon's first truly professional grade SLR whereas the Nikon F came out in 1959 and I doubt if the Canonflex was ever considered a truly professional model at the time because there was no motor drive facility , I never liked the Nikon F3 the Canon New F1 is I.M.O. a much better camera.Actually, Canon released a pro system body for each of Nikon's releases.
Nikon F (1959) - Canon Flex (1959)
Nikon F2 (1971) - Canon F-1 (1971)
Nikon F3 (1980) - Canon New F-1 (1981)
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