Telesar

Telesar is a historical lens trade name rather than a securely documented independent optical manufacturer. It appears on several unrelated or insufficiently connected photographic products, including the W. Telesar 35mm f/3.5 in Leica screw mount and later SLR telephoto lenses. For LeicaLensList purposes, Telesar should be catalogued as the name engraved on the lens, while the actual factory attribution remains unknown unless documentary evidence for a specific example becomes available.

History

Founding / Early Years

No reliable source establishes a Telesar company foundation date, founder, headquarters, or factory. The W. Telesar 35mm f/3.5 appears among Japanese postwar LTM wide-angle lenses. Its form resembles lenses sold under W. Acall, W. Komura, W.A. Astra, and Force markings, but physical similarity alone is not sufficient to assign all versions to one manufacturer.

Market Entry

The compact 35mm f/3.5 lens entered a market for affordable wide-angle optics compatible with Leica, Canon, Nicca, Leotax, and other M39 rangefinder cameras. Specialist discussions have proposed links to Sankyo Kohki, Kyoei, or related suppliers. Published accounts describe these links as unresolved, so they should not be presented as established corporate history.

Expansion / Modern Period

The Telesar name later appeared on assorted SLR telephoto lenses, auxiliary lenses, and photographic accessories. There is no reliable evidence that these later products came from the same organization as the W. Telesar LTM lens. No continuous modern manufacturer under this identity has been verified.

Product Lines

LTM Wide-Angle Lenses

The principal Leica-related product is the W. Telesar 35mm f/3.5, found in Leica M39 screw mount.

Later Branded Optics

Telesar engraving also appears on later telephoto and auxiliary optics, but their corporate relationship to the LTM lens is undocumented.

Technical Characteristics

Feature	Description
Brand status	Trade name or lens engraving, manufacturer unconfirmed
Reference lens	W. Telesar 35mm f/3.5
Lens mount	Leica M39 screw mount on documented examples
Construction	Compact metal wide-angle rangefinder lens
Rangefinder coupling	Should be verified on the individual lens
M-mount use	Possible with a 35mm LTM-to-M adapter

Market Reception

The W. Telesar 35mm f/3.5 is a niche collectible among users of Japanese LTM lenses. Its appeal comes from compact size, uncommon branding, and suitability for vintage rangefinder cameras. Market descriptions sometimes assign a definite maker without documentary support. A neutral catalogue should preserve the Telesar name, state that the manufacturing attribution is unresolved, and separate the early LTM lens from later products that merely share the brand.

Sources

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