Canon 35mm f/2

Canon 35mm f/2

Introduced in 1962, the Canon 35mm f/2 was the fastest and last of Canon's 35mm rangefinder lenses in Leica thread mount, arriving after a long line of wide-angle Serenar and Canon designs that began with the slow f/3.5 of the early 1950s [1]. Its speed and reputation earned it the collector nickname "Japanese Summicron," and it is frequently described as the most accomplished 35mm lens of Canon's rangefinder era, still sought out by users of screw-mount and adapted cameras today [1]. The optical layout uses seven elements in four groups, a more complex configuration than the smaller f/2.8 and earlier wide-angles in the family.

The lens is compact and light, with an LTM (M39 screw) mount and full rangefinder coupling, so it can be used on Leica thread-mount bodies directly or on Leica M cameras through a thread-to-bayonet adapter. It takes 40mm filters and focuses to one meter, and the nine-bladed diaphragm gives a rounded aperture opening when stopped down. Handling is more functional than refined: the aperture ring is unusually stiff and heavily detented, clicking firmly from stop to stop, and the focusing helicoid has a relatively short throw but no focusing tab, which some users find less convenient for quick wide-angle work [1]. The barrel was offered in black and silver finishes.

Because Canon iterated its 35mm rangefinder line over two decades, the f/2 is usually distinguished from its siblings, the f/3.5, f/2.8, f/1.8 and f/1.5, by its maximum aperture marking and its later production date [1]. Collectors should treat the f/2 as a distinct model rather than confuse it with the slower, smaller f/2.8 that shares the same focal length.

Optical qualities

Rendering Documented user impressions describe a lens with a strong vintage character rather than clinical neutrality. The most consistently noted trait is its flare behavior: with the sun in or near the frame the lens produces prominent, colorful flares and artifacts that are difficult to suppress even with a hood, a quality that some photographers prize and others avoid [1]. As a fast wide-angle from the early 1960s, its rendering reflects the coatings and design conventions of that period; detailed, independently measured performance figures are limited in readily available sources, so claims beyond its noted flare character and general vintage look should be treated cautiously.

History

Development and Launch Canon's 35mm rangefinder line began in 1951 with a Serenar f/3.5 and grew through faster designs across the decade, including an f/2.8, an f/1.8 around the mid-1950s and an f/1.5 toward the end of the decade [1]. The f/2 followed in 1962 as the final and fastest practical entry in this 35mm progression, and its standing among photographers gave rise to its "Japanese Summicron" reputation [1].

Special editions No major factory special variants of the Canon 35mm f/2 in LTM are widely documented in readily available collector sources beyond the standard black and silver finishes.

Collector Notes When buying, confirm the f/2 marking to avoid confusion with the more common 35mm f/2.8, which shares the focal length but is a different, slower design [1]. As with many lenses of this age, inspect the glass for haze, separation and fungus, and check the aperture action; a firm, heavily clicked aperture ring appears to be normal for the type rather than a fault, as multiple copies have shown the same stiff behavior [1]. Verify the rangefinder cam engages correctly if the lens will be used coupled, and confirm the original 40mm filter thread when sourcing filters or hoods.

Sources

• [1] Leica Lenses for Normal People. Canon 35mm f/2 LTM review. https://www.leicalensesfornormalpeople.com/2020/06/25/canon-35mm-f-2-ltm-review/