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21mm f/3.4 Super-Angulon information wanted


pgk

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I own a 1967 black copy of this iconic lens - from the Wiki it appears that less than 6000 were made. Despite its drawbacks with digital I still find it to be a lovely lens to use, flaws and all. Rather surprisingly Schneider still provide some (limited) data on their website concerning this lens:

 

Super-Angulon 3.4/21mm

OPTO-MECHANICAL DATA (with lens focused at infinity)

Lens Elements, Groups 8, 4

Filter Mounting Thread M 48 X 0.75

Max. f stop 22

Push-On Filter Size 52.5mm

Max. Outer Diameter 52.5mm

Weight 260g

Overall Length 50mm

IMAGE DATA (with lens focused at infinity)

Recommended Format (negative) Size

24 X 36 mm

OPTICAL DATA (with lens focused at infinity)

Effective Focal Length (F') - 21.6mm

Back Focal Length (S'F') - 8.3mm

Principal Point Separation (HH') - 20.2mm

Shortest Image Distance (S'O') - 0.4m

 

However I am interested in other data such as designer and year of design (I know it was available from 1963 onwards). I'd like some distortion figures (I will have to measure these myself if there are none available.

 

If anyone has any of this or other useful information about this lens please can you post it as I would like to find out as much as I can about it.

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Welcome, dear visitor! As registered member you'd see an image here…

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from the Book "SCHNEIDER-Objektive für Foto, Film und Fernsehen" 1971

 

It is interesting to specify the angle of view, in the text is spoken of 92 degrees and 90 degrees in the data sheet.

One statement is probably true for the 24x36 mm and the other for the real negatives about 25x37, 2 mm.

 

regards,

Jan

Edited by telewatt
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Page 396 of Erwin Puts's 'Leica Compendium' describes it as a 9 element construction, each of which is made from a different type of glass.

 

Keith, are you sure we are talking about the same Super-Angulon?

The older Super-Angulon 4/21mm lenses had 9 elements!...;)

 

Welcome, dear visitor! As registered member you'd see an image here…

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regards,

Jan

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Jan - Page 396 para 7.2.5 Super-Angulon 21mm f/3.4 "In 1963 the Super-Angulon 1:3.4 / 21mm superseded the f/4 model. The same optical cell has been used for the M and R versions. It is a complex design with 9 elements..."

 

Thanks Keith...:)...that is a mistake of Puts....;)

 

regards,

Jan

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I have owned the 21mm f/3.4 Super Angulon R and it certainly looked identical in terms of its optics.

 

Yes the two Super Angulons f 3,4 - M and R - have indeed the same schema - symmetrical with 8 elements - even if the glass elements are machined differently : infact, the R version needed to have the mirror flipped up for using.

On the contrary, the two f 4 (previous one for M - later one for R) have nothing in common.

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Patent design by Wagner - Adam or Erich?

 

Usually there are several who are working on a development, the name is probably in the patent and I have only the name "Wagner".....;)

 

I forgot to tell the name of the author, sorry!..:eek:

 

"Hartmut Thiele-150 Jahre Photooptik in Deutschland 1849-1999"

(150 years of Photo-Lenses made in Germany)

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About the "authors" of the Super Angulon, is worth remembering that all the optical designs of those lenses (including the last - f4 for R) originated indeed at Schneider-Kreuznach . I think the chief designer was Walter Woeltche.

 

Luigi, the only informations he has are from the patent documents, with the number of the patent the Date of get in and the date of Communication on the patent for grant and the person who is registered!

Whether that is true from the internal process, I can not say, hence my comment in the development you are working in a team.

 

the Communication on the patent for grant was 1969! some years later!

 

regards,

Jan

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Yes - it's fine fine FINE !!! :)

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