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    Canon Patent Application: Canon RF Macro Lenses

    By 25 Comments2 Mins Read Canon Patents
    JPA 506010559 i 000002 1536x518 - Canon Patent Application: Canon RF Macro Lenses

    In this patent application (2024-010559), Canon explores some new designs for macro lenses. With the Canon RF 100mm f/2.8L Macro IS USM, any of the longer focal length designs are unlikely to reach production. There is a 50mm 1:1 Macro that would certainly be useful.

    All the Macro lenses shown in the embodiments include image stabilization.

    You never know if Canon will decide that a smaller version of the 100mm macro is a good idea, and certainly, there is room for the 50mm in Canon's portfolio.

    Canon RF 110mm F4.0 1.0x Macro IS

    Focal length           111.29 
F number                 4.12 
Half angle of view (°)  11.00 
Image height            21.64 
Lens total length      125.00 
BF                      34.03

    Canon RF 90mm F4.0 1.0x Macro IS

    Focal length            90.00
F number                 4.12
Half angle of view (° ) 13.52 
Image height            21.64
Lens total length      120.00
BF                      21.58

    Canon RF 50mm F4.0 1.0x Macro IS

    Focal length            52.00 
F number                 4.12 
Half-angle (°)          22.59 
Image height            21.64 
Lens length            115.00 
BF                      24.18

    Of course, with any patent application, this is merely research and may never end up in an actual product. We use this to give us an idea about what the clever people at Canon are looking at.

    Source: Japan Patent Application 2024-010559

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    25 comments

    1. 115mm total length is quite large for a 50mm, but it might have no observable focus breathing!
      Add IS and nicely rounded aperture blades and I’ll stop talking about a 200-ish mm macro lens for a short while :)
    3. That 50 is indeed interesting ... but not quite as interesting as 180 IS would be. The others are too close to 100. Updated MP-E could compete with the 180, though.
    4. 115mm total length is quite large for a 50mm, but it might have no observable focus breathing!
      Add IS and nicely rounded aperture blades and I’ll stop talking about a 200-ish mm macro lens for a short while :)
      I will not stop talking about an RF 200mm macro lens. The specs on my wishlist haven’t changed (link).
    5. Where is my MP-E 65 and EF 180 updates? The two macro lenses I use.
      But hey, they are still awesome lenses so I'll survive for another decade if necessary while waiting ;)
    6. Yet another Canon 50 that is not a 1.4! lol. Slap in the face, that is.

      Not sure a 90 or 110 macro really make sense, with the 100mm already out there. But as it was said, most patents do not become products in the end.
    7. There is a 50mm 1:1 Macro that would certainly be useful
      I would prefer a sibling of the RF100L: 1,4 mag, f/2.8 and SAC
      Not sure a 90 or 110 macro really make sense, with the 100mm already out there.
      Haven't there been a L and a non-L 100mm macro?:unsure: These lenses are just f/4 so maybe a cheaper macro?
    8. I would prefer a sibling of the RF100L: 1,4 mag, f/2.8 and SAC

      Haven't there been a L and a non-L 100mm macro?:unsure: These lenses are just f/4 so maybe a cheaper macro?
      I used the EF 100mm non-L for over a decade, great lens! I sold it for the same price I bought it for, inflation worked for me, for once :)
    9. What do folks use the shorter macro lenses for? I have the 100 2.8 for interesting insect photography and honestly wish I had something longer a lot of times...What do you do with a 50mm macro, for instance?
    10. What do folks use the shorter macro lenses for? I have the 100 2.8 for interesting insect photography and honestly wish I had something longer a lot of times...What do you do with a 50mm macro, for instance?
      I use the mp-e and ef50 f/2.5 when I can’t fit the camera+lens in the space, for example insects on the ground in between shrubs. The EF-S60 in APS-C is great as well, much smaller and lighter than a 100mm.
      I agree with you that for most insects a looooong macro is more useful, but there is value in having a working distance the size of your hand, so you can rest your hand on the surface and the lens on your hand. I use that when the solitary bees start emerging again.

      RP+MP-E:
      IMG_4724.jpeg
    11. What do folks use the shorter macro lenses for? I have the 100 2.8 for interesting insect photography and honestly wish I had something longer a lot of times...What do you do with a 50mm macro, for instance?
      Larger subjects, typically. The challenge is that with wider macro lenses, the working distance is very short. For example, this shot with the EF-M 28mm Macro was at 1.2:1 (the lens has a 'super-macro' mode):
      Mini Rose.jpg

      The working distance for that magnification is 0.5" / 13mm...
      Close.png
    13. What do folks use the shorter macro lenses for? I have the 100 2.8 for interesting insect photography and honestly wish I had something longer a lot of times...What do you do with a 50mm macro, for instance?
      You'll get a different sense of perspective and depth of field the same way changing focal lengths of larger objects but keeping the same framing gives a new look.
    15. Some would prefer a 200mm Macro - me too.
      Maybe 2.8 200 IS 1:1 with good 1:1 quality from f/4 onwards - f/2.8 isn\'t necessary to be optimized for absolute quality to keep the system compact and light (moderately).
      Would work well for me on APS C (300ish) and FF! Maybe compatible with teleconverters or a specialized teleconverter?!
    18. Some would prefer a 200mm Macro - me too.
      Maybe 2.8 200 IS 1:1 with good 1:1 quality from f/4 onwards - f/2.8 isn\'t necessary to be optimized for absolute quality to keep the system compact and light (moderately).
      Would work well for me on APS C (300ish) and FF! Maybe compatible with teleconverters or a specialized teleconverter?!

      To create a interesting BG



      Butterflies, Moths and Assorted Insects...

      Eos R and Laowa 15mm Makro @f/32 Iso 1600, 1/80s and Making-of with a Smartphone
      www.canonrumors.com www.canonrumors.com

      And R5 + Laowa 15mm macro
      View attachment 214469
      Always lovely!
      I've really become interested in this lens since you started posting images from it. It's a good price and the only thing stopping me is I don't know about the sharpness in the corners and sides. If possible, could you post a shot with a chart or something grid like?
    19. A 50mm F4????
      And 115mm?
      Strange.:unsure:
      Sounds more like a MF wide angle...
      Where is the 50 macro F2 or F2,8?
      I hope to be proven wrong, but I think with the 24, 35 and 85mm half macros, a 50mm full macro is unlikely from Canon.

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