[LargeFormat] Zeiss Barrel/Lens Info
Les Newcomer
largeformat@f32.net
Fri Jun 27 11:22:08 2003
thanks for the update. My C set is actually a Series VII from the 20's
but has a VI barrel dia.
On Friday, June 27, 2003, at 01:44 AM, Peter Roody wrote:
> Hi,
>
> I am posting a little late on an earlier thread because it lost it's
> direction.
>
> I have some additional info on the Roman Numeral designations on Zeiss
> Barrels. As was posted, this indicates barrel size (diameter). The
> largest size is a XVIII (182 mm outside diameter). My 1910 catalog
> indicates 19 different diameters with 28 barrel sizes based on
> diameter and length. When a subscript number appears, it indicates a
> different barrel length for the same diameter. For instance, a IV
> with a subscript "1" is 33 mm long while a IV with a subscript "2" is
> 23 mm long.
>
> I also own a Series VI triple convertible lens (310 mm/660 mm/f450 mm)
> so these were made. The single lens consisted of 3 cemented elements
> at F14. Combined, my lens has a maximum aperture of 9.4. They were
> first issued in 1893 and the last manufacture date for the Series VI
> was 1894. They were replaced with the Series VII that was introduced
> in 1895.
>
> Hope this info is useful,
>
> Pete
>
>
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