SUMMICRON 1:2 / 35(6elements)

This is a record of the use of the SUMMICRON-M 35mm 6-element lens with the Leica M digital camera.

Table of contents


The M-type Summicron 35mm is commonly referred to as a 6-element lens. The legendary 8-element lens with a maximum aperture of F2, the modern 7-element lens, the aspherical lens, and the APO lens, all of which have their own unique characteristics, seem to have been somewhat buried among these lenses.
The softness of the lens (probably due to the fact that the one I owned was slightly cloudy) is emotional, and it is a lens to look at if you are tired of modern lenses.
The 6-element lens also has many variations in appearance, and can be divided into early and late periods, mainly based on differences in the lens barrel. The one I own is a late model, and the early model has a horn to assist the rotation of the aperture ring and other differences in appearance.
The 6-element late model has a simple, unexcept for the projection on the focus lever, and is not very distinctive, but the lens itself is moderately large, so I think it fits well with the slightly macho digital Leica M.
The lens in my hand is made by Leitz Canada, serial number 266xxxx, manufactured in 1973.

The official compatible hood is called IROOA, which is popular for its unique trumpet-shaped appearance, and many compatible hoods are made.
The hood in the photo below is a Safari color compatible hood sold at Mapcamera on the left and a compatible hood of unknown maker on the right. Both hoods have a double hook and can be reversed, but the lens I own cannot be reversed because the focus lever interferes with the reversed hood.
In addition, UN releases many other classic camera compatible products, and recently we have seen many hoods made in China.

Lens specification
15,620 lenses, known as the late 6-element lenses, were created between 1971 and 1979.
Due to the old structure of the lens mount, it is not compatible with Leica’s modification to add a 6-bit code for lens recognition.

focal length(mm)35
Maximum aperture2
Minimum aperture16
Lens configuration4groups 6elements
Leaf blade10
Minimum distance(m)0.7
Lens length(mm)30
Lens max diameter(mm)51
Filter diameter(mm)39

Reference links
Leica Wiki 「Summicron-M 2/35-III」

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