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Gear Rumors

Canon 35mm F/1.4 Patent Emerges, Could This Be The Rumored 35mm F/1.4L II?

By Anthony Thurston on May 2nd 2015

Many Canon shooters worldwide are patiently awaiting Canon’s answer to the Sigma 35mm f/1.4 Art, the (now) long rumored 35mm F/1.4L II. Canon’s current 35mm F/1.4L is old and outdated, and its optical performance is easily outmatched by the Sigma offering.


Many have speculated that a 35mm F/1.4L  II is in the works and should be coming out soon. A new rumor report tells of a new 35mm F/1.4 patent from Canon; could this be the rumored lens?

Possibly. It is important to note that most patents just end up in a filing cabinet, forever destined to collect dust and never to be seen again. But, the timing of this patent, along with the frequent rumors regarding a new 35mm F/1.4L being on the way is interesting to say the least.

If you need any more signs that this could be Canon’s answer to the Sigma lens, this patent was originally filed back in October of 2013, just shortly after the Sigma lens really started picking up steam. Full patent details below (machine translated):

  • Patent Publication No. 2015-72370
    • Published 2015.4.16
    • Filing date 2013.10.3
  • Example 1
    • Focal length f = 35.47mm
    • Fno. 1.45
    • Half angle of view ω = 31.38 °
    • Image height Y = 21.64mm
    • Lens length 141.37mm
    • BF 39.37mm
    • Positive, positive ShiboTadashi

So what do you think? Is this Canon’s answer to the Sigma 35mm f/1.4 Art, or is this just another dust collector? Leave a comment below and let us know what you think!

[via Canon Rumors]

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Anthony Thurston is a photographer based in the Salem, Oregon area specializing in Boudoir. He recently started a new project, Fiercely Boudoir to help support the growing boudoir community. Find him over on Instagram. You may also connect with him via Email.

Q&A Discussions

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  1. Austin Swenson

    You know, I don’t really get into the 35mm focal length very much like other people have, but if t rocks your world to use one, good on you.

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  2. adam sanford

    Yep. The long awaited 35L II is apparently in the works. *If* this patent is it, everyone is bent out of shape with the whopping 142mm physical length, which would be comically long in comparison tot he 35L and the Sigma 35 Art.

    But the optical formula is significantly changed from the 35L setup to something not terribly far off from the Sigma 35 Art. It would appear that a War of Pickle Jar Primes may actually happen someday.

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    • Anthony Thurston

      I am in the minority, but don’t mind the ‘Pickle Jar’ size of these new primes at all. Photographers run around with 70-200mm lenses all the time, if primes start getting that big then we can start complaining – until then, its mute point to me.

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    • adam sanford

      The patent aficionados at CR corrected the 140+mm entry — that’s a distance to a virtual point. Most there believe the lens will be a (reasonable for this class of lens) 100mm or so physical length, which makes more sense.

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  3. Daniel Lee

    The Canon 35mm f2 IS may be a stop slower but is just as great optically (despite the stronger vignette wide open on the Canon). For me i preferred the price, weight and the IS on the Canon so that extra stop for a much heavier weight wasn’t worth it for me on the Art.
    If Canon can make the 35L II as sharp wide open as the 35 IS, just with that f1.4 aperture and a better build I’m sure people will go crazy over it!

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