Topcon Topcor-S 2/5cm - M39 No. 540766 - CLA´d | Camera lens

This lens was cleaned in September 2026.
Please note that, as this is an older lens, some mold, fogging, or dirt may still be present.
Please consider it to have been cleaned to a level that does not affect its functionality.

[Functionality]
Aperture: Checked
Helicoid: Checked

[Exterior]
There were no noticeable scratches or dents on the exterior.
Please check the exterior by zooming in on the photo.

[Optics]
Inside the lens, there is one scratch on the rear element visible to the naked eye. (The spot visible in the 8th image.)
When viewed against a strong light source, there are wipe marks and linear haze remaining on the rear element.

[Accessories]
Front and Back of the Cap
Kenko L40c Filter

[Key Specifications]
The Topcor-S 5cm F2 by Tokyo Kogaku is a classic vintage lens with a Japanese-made L39/M39 screw mount, known for its use in Leotax rangefinder cameras from the 1950s.
This particular lens has serial number 540766. Since no official documentation has been found that allows for a definitive correspondence between Topcor serial numbers and specific months and years, the exact year of manufacture cannot be determined. However, based on the release period of the Topcor-S 5cm F2 and documentation regarding its various generations, it is reasonable to estimate that it was manufactured around 1957–1959.
The S-type features a 6-element, 4-group design, a 10-blade aperture, and a minimum focusing distance of approximately 1 m, making it well-suited for snapshots, portraits, and everyday photography that take advantage of its f/2 maximum aperture. Thanks to its L39/M39 mount, it can be used not only on Leica screw-mount cameras but also on modern mirrorless cameras via an adapter.
The Topcor-S is particularly highly regarded by vintage lens enthusiasts for its classic contrast and bokeh, which differ from those of modern lenses. As a Japanese-made rangefinder lens from the 1950s, it is also a model with high collectible value.

[From the Seller]
Thank you for viewing our products.
We plan to carry a wide range of models, from vintage cameras to digital cameras! All cameras listed here have been tested and are in working condition, so please consider them!
[Store ID]
September 14, 2026 25-9-8

・[Shipping Information]・
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