Olympus Zuiko Digital 35mm f/1.4 full frame mirrorless lens patent

Olympus Zuiko Digital 35mm f:1.4 full frame mirrorless lens patent
Few days ago I reported on a new Olympus 28mm f/2 full frame mirrorless lens patent. Today Egami spotted another Olympus patent filed in Japan for a 35mm f/1.4 full frame mirrorless lens. Just like the previous 28mm f/2, this 35mm f/1.4 lens is calculated for a sensor slightly smaller than a "real" full frame.

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  • MonkeySpanner

    Interesting. Olympus good body with large ff sensor? Take my got dang money.

  • J.L. Williams

    Yes, we know that Olympus doesn’t make anything except photo cameras, so any lens they patent has GOT to be for a new camera! Right? (Uh, no…)


    JVC GY-LS300 4KCAM S35mm Camcorder is m4/3 and uses a super 35 sensor so smaller than full frame. Olympus are giving buyers something they can use without an adapter. Awesome.

  • Adam

    Patent actually covers 3 focal lengths. 35mm, 24mm, and 20mm.

    7 working examples. All examples are for image height 21.633 mm (135-format)

    All graphs show enormous distortion at close focus and enormous chromatic aberration at infinite focus.

    35mm f/1.4
    BF: 10.45-15.71 mm

    35mm f/1.4
    BF: 10.46-15.71 mm

    EX3 (ignored in headline):
    24mm f/1.4
    BF: 21.23-24.72 mm

    EX4 (ignored):
    24mm f/1.4
    BF: 21.97-25.51 mm

    EX5 (ignored):
    24mm f/1.4
    BF: 18.49-22.45 mm

    EX6 (ignored):
    20mm f/1.4
    BF: 18.88-21.92 mm

    EX7 (ignored):
    20mm f/1.4
    BF: 19.48-22.52 mm

    • Their m43 lenses exhibit strong geometric and other aberrations without correction, so this indicates that these are designed for in-camera correction. The implementation of in-camera correction on their m43 bodies requires that the ‘real’ focal length is actually slightly shorter than stated – with the stated focal length being the effective focal-length post-correction – and casting a slightly wider image than that strictly required for the sensor. This makes me suspect these lenses are actually designed for mirrorless APS-C utilising in-camera lens correction.

      • That’s an interesting theory, it gives credence to the idea these are designed on behalf of Sony, and we’ll see these for Sony E cameras. Zeiss concentrates on FF, Olympus on APS-C.

      • Quick question, I’m no lens designer so I can’t tell, but does the design include focal length reducing elements as well? So it uses the outsized lens as a speed booster to achieve f1/1.4 ?

        • I’d tell you, but I’m no lens designer either, so I don’t know.

    • Adam

      With an optical length of over 120mm, the total length of this lens will be around the same as the protrusion of the Sigma 35mm f/1.4 A lens mounted to a typical SLR body.

      Don’t look for any savings in “bulk” on your mirrorless body here.

  • Spy Black

    Wow, the plot thickens. Very cool is Olympus pulls a full frame rabbit out of it’s hat.

  • Davo

    Where there’s smoke…?
    Its not inconceivable for Olympus to take a peek at FF as its 2 stops away from m43 and represents a significant difference. Similar to how Fujifilm’s taking a look at medium format.
    Maybe all of Sony’s FE action has Olympus wanting a piece of the pie.

  • Stanojev

    I’m starting to wonder (or maybe wish is a better word) if the new rumoured Pen F might be a full frame? F for full frame…?

  • nwcs

    Perhaps it’s a lens for their partner Sony? Fully supported Olympus lenses on A7 series?

  • Henry James

    If Olympus launches a full-frame mirror-less camera, Sony will finally have competition, and we’ll all benefit.

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