If this is your first visit, be sure to check out the FAQ by clicking the link above. You may have to register before you can post: click the register link above to proceed. To start viewing messages, select the forum that you want to visit from the selection below. |
|
|
|
Thread Tools | Display Modes |
#1
|
|||
|
|||
the *real* Ultron lens ?
I am trying to find information on the old Voigtlander (i.e not
Cosina) Ultron lens such as its construction and number of elements. Can somebody suggest a URL? When I do a search I always end up with the new Cosina-Voigtlander Leica mount lenses. |
#2
|
|||
|
|||
the *real* Ultron lens ?
RolandRB wrote:
I am trying to find information on the old Voigtlander (i.e not Cosina) Ultron lens such as its construction and number of elements. Can somebody suggest a URL? When I do a search I always end up with the new Cosina-Voigtlander Leica mount lenses. You might want to search for "Color Ultron". That's what its called on my VSL1. Ralf -- Ralf R. Radermacher - DL9KCG - Köln/Cologne, Germany private homepage: http://www.fotoralf.de manual cameras and photo galleries - updated April 29, 2004 Contarex - Kiev 60 - Horizon 202 - P6 mount lenses |
#3
|
|||
|
|||
the *real* Ultron lens ?
The 50/2 Ultron lens is a 6-lens design. I assume you mean the Ultron lens
way back? 195X and 196X ....e.g. the lens used on Vitomatics? A nice link to start with it this: .....click on cameras .... http://www.classic-cameras.info/camindexe.html There are several links also.....you can mail and ask questions ect. Max "RolandRB" skrev i en meddelelse om... I am trying to find information on the old Voigtlander (i.e not Cosina) Ultron lens such as its construction and number of elements. Can somebody suggest a URL? When I do a search I always end up with the new Cosina-Voigtlander Leica mount lenses. |
#4
|
|||
|
|||
the *real* Ultron lens ?
from Dr. Mabuse's posting at my lens type pages http://medfmt.8k.com/mf/lenstype.html: Not to confuse with the "-gons" which name wide-angle lens designs. the only special developments I know were the Voigtlaender Septon and Nokton with 7 elements in 5 groups and a very peculiar Zeiss/Voigtlaender design for the Icarex called Ultron 50mm/1.8 with 6 elements in 5 groups. This one has a concave front element what is absolutely unusual ! I'm looking for this in TM version but they are very seldom. To induce even more confusion Zeiss/Voigtlaender marketed later on a "Color-Ultron" for the SL-706 and VSL-1 with the same specifications but with a Planar design of 6/4. The Planar design mayo be easier to correct for close-up region. end-quote hth - bobm -- ************************************************** ********************* * Robert Monaghan POB 752182 Southern Methodist Univ. Dallas Tx 75275 * ********************Standard Disclaimers Apply************************* |
#5
|
|||
|
|||
the *real* Ultron lens ?
"Bob Monaghan" wrote in message
... from Dr. Mabuse's posting at my lens type pages http://medfmt.8k.com/mf/lenstype.html: Not to confuse with the "-gons" which name wide-angle lens designs. the only special developments I know were the Voigtlaender Septon and Nokton with 7 elements in 5 groups and a very peculiar Zeiss/Voigtlaender design for the Icarex called Ultron 50mm/1.8 with 6 elements in 5 groups. This one has a concave front element what is absolutely unusual ! I seem to recall a Pentax lens design with a concave front element - wonder if there is any similarity. I'm looking for this in TM version but they are very seldom. To induce even more confusion Zeiss/Voigtlaender marketed later on a "Color-Ultron" for the SL-706 and VSL-1 with the same specifications but with a Planar design of 6/4. The Planar design mayo be easier to correct for close-up region. end-quote hth - bobm Peter |
#6
|
|||
|
|||
the *real* Ultron lens ?
Bandicoot wrote:
"Bob Monaghan" wrote in message ... from Dr. Mabuse's posting at my lens type pages http://medfmt.8k.com/mf/lenstype.html: Not to confuse with the "-gons" which name wide-angle lens designs. the only special developments I know were the Voigtlaender Septon and Nokton with 7 elements in 5 groups and a very peculiar Zeiss/Voigtlaender design for the Icarex called Ultron 50mm/1.8 with 6 elements in 5 groups. This one has a concave front element what is absolutely unusual ! I seem to recall a Pentax lens design with a concave front element - wonder if there is any similarity. When my brother bought his first 35mm SLR, he didn't know much about brands. There was one camera made of good components, whose normal lens was very good on paper. The salesman even mentioned that it had been designed with a computer (this was late sixties), and the computer had said to use a concave first element. BTW, the maker was called Cosina... -- Lassi |
#7
|
|||
|
|||
the *real* Ultron lens ?
Lassi Hippeläinen wrote in message ...
Bandicoot wrote: "Bob Monaghan" wrote in message ... from Dr. Mabuse's posting at my lens type pages http://medfmt.8k.com/mf/lenstype.html: Not to confuse with the "-gons" which name wide-angle lens designs. the only special developments I know were the Voigtlaender Septon and Nokton with 7 elements in 5 groups and a very peculiar Zeiss/Voigtlaender design for the Icarex called Ultron 50mm/1.8 with 6 elements in 5 groups. This one has a concave front element what is absolutely unusual ! I seem to recall a Pentax lens design with a concave front element - wonder if there is any similarity. When my brother bought his first 35mm SLR, he didn't know much about brands. There was one camera made of good components, whose normal lens was very good on paper. The salesman even mentioned that it had been designed with a computer (this was late sixties), and the computer had said to use a concave first element. BTW, the maker was called Cosina... -- Lassi I seem to recall that when Voigtlander (I mean *real* Voigtlander and not Cosina) 35mm format cameras were offered on sale with alternative lenses then the Ultron lens version was only very slightly more expensive than the Color-Skopar version. This makes me think that at that time they may have been very similar designs. If the Ultron lens were more than a 4 element design at that time then surely it would have sold for a lot more. Like comparing the Color Heliar with the Color Skopar for their Bessa II models, the Color Heliar version being sold for a lot more having the extra element. |
#9
|
|||
|
|||
the *real* Ultron lens ?
RolandRB wrote:
(RolandRB) wrote in message . com... Lassi Hippeläinen wrote in message ... Bandicoot wrote: "Bob Monaghan" wrote in message ... from Dr. Mabuse's posting at my lens type pages http://medfmt.8k.com/mf/lenstype.html: Not to confuse with the "-gons" which name wide-angle lens designs. the only special developments I know were the Voigtlaender Septon and Nokton with 7 elements in 5 groups and a very peculiar Zeiss/Voigtlaender design for the Icarex called Ultron 50mm/1.8 with 6 elements in 5 groups. This one has a concave front element what is absolutely unusual ! I seem to recall a Pentax lens design with a concave front element - wonder if there is any similarity. When my brother bought his first 35mm SLR, he didn't know much about brands. There was one camera made of good components, whose normal lens was very good on paper. The salesman even mentioned that it had been designed with a computer (this was late sixties), and the computer had said to use a concave first element. BTW, the maker was called Cosina... -- Lassi I seem to recall that when Voigtlander (I mean *real* Voigtlander and not Cosina) 35mm format cameras were offered on sale with alternative lenses then the Ultron lens version was only very slightly more expensive than the Color-Skopar version. This makes me think that at that time they may have been very similar designs. If the Ultron lens were more than a 4 element design at that time then surely it would have sold for a lot more. Like comparing the Color Heliar with the Color Skopar for their Bessa II models, the Color Heliar version being sold for a lot more having the extra element. Also the Ultron was the f2.0 and the Color-Skopar was an f2.8 with the Ultron version being only slightly more expensive. If the Ultron was a six element lens and the Color-Skopar a 4 element lens, then I would have thoght the price difference would be very significant. A heliar is a difficult lens to make, hence it's extra cost. There were never any f2.0 tessar style lenses that I know of, so the ultron would have been at least a 5 if not 6 element lens, probably a planar type. There is more to dificulty/expence in design than the number of lens elements. -- Stacey |
#10
|
|||
|
|||
the *real* Ultron lens ?
Stacey wrote in message ...
RolandRB wrote: (RolandRB) wrote in message . com... Lassi Hippeläinen wrote in message ... Bandicoot wrote: "Bob Monaghan" wrote in message ... from Dr. Mabuse's posting at my lens type pages http://medfmt.8k.com/mf/lenstype.html: Not to confuse with the "-gons" which name wide-angle lens designs. the only special developments I know were the Voigtlaender Septon and Nokton with 7 elements in 5 groups and a very peculiar Zeiss/Voigtlaender design for the Icarex called Ultron 50mm/1.8 with 6 elements in 5 groups. This one has a concave front element what is absolutely unusual ! I seem to recall a Pentax lens design with a concave front element - wonder if there is any similarity. When my brother bought his first 35mm SLR, he didn't know much about brands. There was one camera made of good components, whose normal lens was very good on paper. The salesman even mentioned that it had been designed with a computer (this was late sixties), and the computer had said to use a concave first element. BTW, the maker was called Cosina... -- Lassi I seem to recall that when Voigtlander (I mean *real* Voigtlander and not Cosina) 35mm format cameras were offered on sale with alternative lenses then the Ultron lens version was only very slightly more expensive than the Color-Skopar version. This makes me think that at that time they may have been very similar designs. If the Ultron lens were more than a 4 element design at that time then surely it would have sold for a lot more. Like comparing the Color Heliar with the Color Skopar for their Bessa II models, the Color Heliar version being sold for a lot more having the extra element. Also the Ultron was the f2.0 and the Color-Skopar was an f2.8 with the Ultron version being only slightly more expensive. If the Ultron was a six element lens and the Color-Skopar a 4 element lens, then I would have thoght the price difference would be very significant. A heliar is a difficult lens to make, hence it's extra cost. There were never any f2.0 tessar style lenses that I know of, so the ultron would have been at least a 5 if not 6 element lens, probably a planar type. A good point -- I have never heard of an example of a f2.0 Tessar type either. There is more to dificulty/expence in design than the number of lens elements. The original camera price for the Vitessa L I saw had the Ultron version only $20 more than the Color-Skopar version. If the Ultron was easy to make, hence the low cost, then I have to wonder why people even bothered with the Tessar design because thy could have a better corrected lens with a wider aperture at roughly the same cost. To be fair, I have not seen a copy of the original advertisement for the Vitessa L and so I am trusting sombody's compilation of original prices. Does anyone have a copy of an advertisement for a Vitessa L in any language so they can post the advertised prices for the different versions? |
|
Thread Tools | |
Display Modes | |
|
|
Similar Threads | ||||
Thread | Thread Starter | Forum | Replies | Last Post |
Image circle versus stopping down? | Nick Zentena | Large Format Photography Equipment | 11 | July 3rd 04 02:40 PM |
New Leica digital back info.... | Barney | 35mm Photo Equipment | 19 | June 30th 04 12:45 AM |
swing lens cameras and focussing distance | RolandRB | Medium Format Photography Equipment | 30 | June 21st 04 05:12 AM |
old Bronica ETRS 75mm MC lens - which adapter to fit lens hood? | Kirk Bowe | Medium Format Photography Equipment | 2 | May 22nd 04 09:39 PM |
Mounting 80mm Enlarger Lens over Pentax 6x7 - Any Ideas How? | Nelson Win | Medium Format Photography Equipment | 26 | May 22nd 04 05:18 PM |