OM to MFT Speed Booster to be announced soon!

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I have been told by multiple sources that Metabones will do me (sorry us) a favour and release the new OM to MFT Speed Booster adapter within the next few weeks! That’s great news for all us OM lens owners! All lenses will become faster and FF equivalent. Here is the Metabones pdf file that explains how to do the math. An example, the 35mm f/2.0 OM lens on the Speed Booster becomes a 25mm f/1.4 lens.

And as you know there are a huge amount of OM lenses we can use! This is just the list of the prime lenses…Click on the link to check the price and auctions on eBay: 21mm f/2.0 and 21mm f/3.5 lens, 24mm f/2.0 and 24mm f/2.8 and 24mm f/3.5 shift lens, 28mm f/2.0 and 28mm f/2.8 and 28mm f/3.5 lens, 35mm f/2.0 and 35mm f/2.8 and 35mm f/2.8 shift lens, 40mm f/2.0 lens, 50mm f/1.2 and 50mm f/1.4 and 50mm f/1.8 and 50mm f/2.0 macro and 50mm f/3.5 lens, 55mm f/3.5 macro lens, 85mm f/2.0 lens, 90mm f/2.0 macro lens, 100mm f/2.0 and 100mm f/2.8 lens, 135mm f/2.8 and 135mm f/3.5 lens, 180mm f/2.0 and 180mm f/2.8 lens, 200mm f/4.0 and 200mm f/5.0 lens, 250mm f/2.0 lens, 300mm f/4.5 lens, 350mm f/2.8 lens,, 400mm f/6.4 lens, 500mm f/8.0 lens, 600mm f/6.6 lens, 1000mm f/11 lens.

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  • Rufus

    Fine… what is with Canon FD!!! I have 4 great Canon FD lenses and a Canon FD to MFT Speedbooster would be awesome!

    • NO7HINK

      Just get and FD to EF adapter than an EF to MFT Speedbooster. It will give you access to a wider ranger of lens for less money.

      • Anonymous

        No, an MFT tot FD speedbooster + FD to EF adapter might work, the other way around not so much.

      • That’s a terrible idea. FD to EOS adapters have optical elements in them, and are usually slight teleconverters as well….using them in conjunction with a speedbooster essentially gives you a similar FOV to just adapting it straight, plus adds optical imperfections from two additional adapters with element.

    • Uberzone

      FD to EF needs another adapter with glass and nobody but Canon circa 1990 ever made a decent quality one. Thanks but no thanks. Native FD speed booster please. Do ME a favor Metabones.

    • Heplexn

      +1

      I got three great FD lenses too!

  • geohsia

    Finally! 50mm f/1.2, get ready!

  • Teun

    It would be great if they would produce a universal unit without a specific mount and additional adapters which would allow to mount virtually all lenses ever produced onto the same adapter.

    • +100

      It would be great for us, not for them.

  • Mr. Reeee

    I wonder what one of these things would do for my Nikon 20mm f2.8 AI-S lens?

    Hmmm… Tempting… but not $500 tempting.

    • It would become a 14mm f/2. I bet the coming Schneider will be much better.

      • Mr. Reeee

        Yeah, most likely. I’ve got the wide end well covered at this point, though.

        I wonder when those Schneider-Kreuznach lenses are due to be released?

  • And I wonder what it would do to my 14 – 35 f 2.0 Oly…. 😉

    • Barely anything worth mentioning – you’d get a mix of blur and vignetting.

    • Ben

      Ugh… how can you have enough money to buy that lens but not enough brains to understand the most basic things about optics?

    • Adam Maas

      Your 14-35/2 already has a SpeedBooster built in, albeit a 0.5x one instead of a 0.71x one. The optical design is a 28-70/2.8 with a 0.5x Telecompressor behind it. And yes, that means that the 14-35/2 is optically a 14-35/1.4 which is limited by firmware to f2 (if you partially unmounts it, you’ll gain 2/3rds of a stop metered as the T stop is around f1.6 vs the f stop of f1.4).

      • this is the gossip about both 14-35 and 35-100 ZD lenses,but beware the experts who will come up with schematics of the lensdesigns, showing no focal reducer at all. I have no experience with the 14-35 but I did have the 35-100 and its rendering is very similar to 70-200 2.8 zooms in 24×36 format. Now let the naysayers come again 🙂

      • Jón

        The 7-14mm (FT version) is definetly brighter at 7mm than it suggests. I had that lens, and if I rotated it slightly, so it would lose contact with the camera, I think I gained a full stop. (or thereabout) So that lens is probably a 2.8-4 variable zoom. Why Olympus decided to stop it down to fixed f4, I have no idea.

  • i wonder what it would do with….oh wait i have no legacy lens anymore lol….hmmm this asks for some research about which OM lens would be interesting for me.

    • Well, the 90/2 macro becomes a 64/1.4 and the 100/2 becomes a 71/1.4. Interesting lenses for portraiture. Massively expensive, though.

      • yes i was looking at those and even the 180 mm f/2.0 (……) i am allowed to dream am i ?

    • The most underrated lens for OM would be the 28mm f/2.8. It was a relative newcomer made to fit between the 28/2 and 28/3.5 in the 80’s. It’s tiny and one of my best performing lenses!

      My other piece of advice is to only buy the 50mm f/1.4 with serial numbers > 1100000. Even better yet, buy the “Made in Japan” 50mm f/1.8. It may not be as fast as the 1.4 but it is way sharper at 1.8 than the 1.4 is at 2!

  • Mundstrøm

    nice, would love to hit my local photodealership and by fast some cheap fast prime-lenses with a range somewhere between 70-150mm for photographing bands in stage-lighting and indoor sports.

  • geohsia

    Any word on cost?

    • Mau

      Any word on quality?

      I mean, is any sample out yet? I guess not, right? Not even a preproduction of sorts..

  • adaptor-or-die

    For me this is worth the price of a lens [the speed booster’s cost] because I have enough legacy glass, much of it OM zuiko and now every one of those lenses will have two focal lengths. Regular bog standard adapter and speed boost. It’s like doubling up the kit!

    • Yes, but how many of those new focal lengths will be useful/different enough?
      To me it seems more like an interesting toy to play with than a true solution for unresolved difficulties. I did the math and all my legacy lenses will become redundant or silly except maybe my 85/1.4.

      • adaptor-or-die

        Sure it depends on your kit. I only own primes, so getting a stop brighter on each lens, and 0.7x on the focal length is still damn useful. I see all kinds of very useful applications. As to the addition of being able to use DX/APS-C lenses, they turn out giving you 1X … so DX lenses are “FF” relative to their focal lengths … I know that I can add a cheap -Nikon to OM- ring and start collecting Nikkor glass both FF and DX, even more possibilities. Legacy heaven as I see it. M42 is another resource I can already cash in on, the list gets longer and longer, all with one adapter purchase =)

  • adaptor-or-die

    admin, you labelled the 55mm f/1.2 as a f/3.5

  • Tulio

    That is seriously WRONG. The speed booster has a magnification of x0.7 MFT has a crop factor of 2X.
    a 35mm will look like a 70mm without speedbooster and about a 50mm WITH on a MFT camera.

    • If you notice they are not doing the conversion to M43rds… SO you are wrong, they are correct. The 35 would be like a 24, which on m43rds will be like a 50mm. But we all know how to convert FL in these forums.

    • Adam Maas

      Actually the numbers are correct, your math is wrong.

      Focal length is a physical property, The Speedbooster alters that property. So your 50/1.8 becomes a 35/1.2 with reduced coverage, regardless of which format you are mounting it on.

      No mention was made of the Field of View. Functionally a 35/1.2 on APS-C is comparable to a 50/1.8 on 35mm FF. Likewise a 35/1.2 on m43 is similar to a 50/1.8 on APS-C.

      • Ken

        You’re right, but the article is wrong. “All lenses will become faster and FF equivalent.” Speed Booster on APS-C sensors become FF equivalent. Speed Booster on m43 sensors become APS-C equivalent, with an approximate 1.4x field of view magnification as opposed to the native 2x. APS-C has an approximate 1.5x, which goes away with the Speed Booster.

  • As Tulio has just stated there is an error, you don’t get FF field of view on Micro Four Thirds sensors as the magnification is 0.7x not 0.5x.

    Perhaps more importantly, given these will not be exactly cheap adapters, why buy an OM to MFT at all, when you could buy an EF to MFT when that comes out and then use your OM lenses via an OM-EF adapter.

    That way one Speed Booster will work for a multitude of lenses including Nikon and whatever else will work on EF mount.

    That said, the EF-MFT adapter may be more expensive as it will have some electronics for the EF aperture system.

    • adaptor-or-die

      that is why there will be different choices. OM makes sense to those like myself, that have owned Olympus prior to 4:3, I used all my OM lenses on my 4:3 kit, as well as mFT. I’ve also stacked adapters regarding Nikkor, Exakta, Zeiss, Pentax and the many other M42 mounts. All these will stack on top of an OM mount. So unless you are a Canon glass owner, the Canon mount may not be as important.

    • Heplexn

      Stacking adapters up will make the lens quite big whereas the Speedbooster and Mitakon Lens Turbo (when it comes out for µ4/3) adapters are shorter than those dummy adapters—let alone dummy adapter+Speedbooster combo!

      • adaptor-or-die

        Stacked adapters are no bigger than one “dummy” adapter the length required for that particular lens mount is finite. To suggest that it’s any longer is incorrect. Speed boost adapters are shorter by those few mm because of the glass in them. Regular non-glass adapters are NOT that much bigger, you are whinging over a few mm at best? If that is an issue with you, then run away now.

        The concept is not for those that want the smallest most compact body/lens scenario. It’s for those that want to use here-to-fore lenses with a brighter EV and a new option of FL …

        And as to your comment down thread about corner/edge reduction in quality. ANY added system in a optical sense will lose something in the mix. None of these items are “matched” There is a give and take of what you will get. Early tests have shown positive real world results.

  • J white

    Considering there are competitors doing the same product, It doesn’t seem like there’s a patent hurdle, or at least the patent holder is willing to license it. As such, I would expect in the near future to see some mFT native lenses with a bigger imaging circle with this built in like to increase performance- namely bokeh. There would not be a huge market I think, but a few select focal distances like wide angles could benefit from this. Can you imagine an actual 12mm 1.4 ? It would be big, but then again DSLR and FF lenses are big as well. With this one, mFT could have FF performance, with a smaller body, although almost certainly not cheaper.

  • kodachromeguy

    Interesting idea. I have a 35 mm f/2.8 OM shift lens. Just mounted via a dumb adapter, it is 70 mm – not too useful as a shift. With the adapter, it will be down to about 50 mm equivalent. I wonder if that is worth the $500 price?

    • some guys here are saying 500 USD but far as i know the price is 399 USD for the MFT version

  • matt jones

    I am looking forward to this. I have a Nokton 17.5 f0.95 and I shoot wide open a lot of the time, you really do get a full frame like shallow depth of field, and it’s quite addictive. So bringing some of my faster OM lenses down close to f1 will be very welcome indeed.

  • since the Speedbooster is not cheap, I decided to go for a cheaper OM lens first,I just arranged a deal with local contact to pickup his Zuiko 300mm f/4.5 plus adapter for 100 euros this thursday or friday…always wanted to experiment with long distance full body shots. And the speedbooster will be something for the near future then.

  • dangerduck

    Is it possible to make a 1:1 conversion? so a 50mm OM actually gives a 50mm FOV with a m43 sensor…? I think mantaining the FOV would be more appreciated than gaining a little speed, given that these OM lenses are already reasonably fast.

    • possibly a dedicated design for one lens is easier to make for what you want, but less interesting sales-wise.

      • dangerduck

        I meant in general, if it’s possible to make a speedbooster OM to m43 adapter that would mantain FL, not necessarily giving a faster f-stop (although it wouldn’t make sense to call it speedbooster xD), not necesarily for a specific lens, but for OM mount. In other words, instead of a x0.7 reduction, producing a x0.5 FL reduction (produced by the lenses inside the adapter). I was pointing towards if it’s physically possible, not producing heavy vignetting, CA’s or distortion.

      • dangerduck

        Althought, as you said, it’s possibly easier for a specific lens… but given the fact that they already made it for EF mount (not a particular lens), it would be interesting to see a similar product; one mantaining FF FOV of a lens in a crop-sensor (currently APS-C), but dedicated to mantaing FF FOV in a m43 sensor.

        • coaguloso

          I believe that the people at metabones did only one glass for all the systems, and adapted them with the proper mounts and distances, but theorically a 0.5x focal reducer must be very precise, so my guess is that estimated that is not profitable for them to work with a 0.5x focal reducer. My sugestion will be build yourself one, buy some cheap c-mount adapters and buy a 2″ 0.5x focal reducer for telescopes and make a frankenstein, there are several focal reducers with different quality so, technically it is possible.

    • Heplexn

      Metabones say:

      “The m4/3 version also reduces focal length by a 0.71x factor. So, the combined focal length multiplier of a m4/3 camera and Speed Booster is 1.4x. (2x from camera x 0.71x from Speed Booster.) The optics are optimized for the smaller sensor size.”

      0.5x adapter might lead to inferior optical quality.

    • Heplexn

      Metabones say:

      “The m4/3 version also reduces focal length by a 0.71x factor. So, the combined focal length multiplier of a m4/3 camera and Speed Booster is 1.4x. (2x from camera x 0.71x from Speed Booster.) The optics are optimized for the smaller sensor size.”

      http://www.metabones.com/speed-booster-questions

      0.5x adapter might lead to inferior optical quality.

    • Adam Maas

      Yes, it is possible. Both the 14-35/2 and 35-100/2 in 4/3rds mount have a 0.5x Speedbooster-like optical device integrated with standard 35mm 28-70/2.8 and 70-200/2.8 designs

  • Chris

    so the 50mm 1.8 + speed booster gives me a fov of 70mm?

    • Heplexn

      Yes, indeed. You’ll get 70mm f1.2 or f1.3. (The f1.8 aperture marked on the lens can be rounded from the actual value 1/4EV or 1/3EV larger than f2).

  • Mike1

    So far we are talking only about numbers. I rather like to see some real world tests on the optic performance of the adapter. The numbers mean nothing when there is significant degradation on the image quality.

    • Heplexn

      True.

      Anyhow, according to the MTF charts in Metabones’ white paper the µ4/3 adapter will give greater contrast:

      http://www.metabones.com/images/metabones/Speed%20Booster%20White%20Paper.pdf

      Even the Mitakon Lens Turbo adapter (“Chinese copy” of the Metabones Speed Booster) on NEX seems to give excellent center sharpness:

      http://www.stevehuffphoto.com/tag/nex-6/

    • There are already a bunch of tests done with the APS version, and Caldwell said that the MFT version actually is a bit better. So just google and you will find usefull photo comparisons. The only drawback seems to be the bit worse performance in the edges/corners, so depending on your style of photograhy the speedbooster is either great or less useful.

      • Heplexn

        Yes, the corners suffer. This is mainly due to the (lack of) corner sharpness of the lens rather than the adapter. The full frame image circle is reduced and the outer edges of the image (otherwise outside of the µ4/3 sensor area) are now brought into the sensor area (wider angle). I read that you get great results with lenses with very good corner sharpness.

        • it is true we have only seen the worse edge performance in the NEX/APS version. But we still have to wait for the performance on MFT. BTW i dont think the lesser edge performance is caused by the adapted lenses but by the tricky design of the focal reducer itself. Maybe because of the “one for all focal lenghts” design

  • Jón

    Hmm… I have and old Olympus 50/1.4 sitting here on a collectors OM-3. I wonder how it would perform with this converter…

    • Jap

      Used with the Speed Booster, your 50/1.4 becomes roughly a 35/1.0 short telephoto lens (35mm equivalent: 70/1.0).

  • That’s great news for older OM users, but what about 4/3 or M4/3 mount users or am I missing something? Is the Olympus mount the same as 4/3?
    To be honest, I couldn’t care less about OM…am I the only one? Just give me a non-electronic Canon EF to M4/3 to use my Rokinon’s on my AF100!

  • benji

    i just cant get enthused by these speed boosters, to get a *real fast* normal, you need a fast 35mm, which combined with the speedbooster would be more expensive than the panny 25. Maybe if you had a lot of old glass and/or needed a fast portrait, but for anyone buying, meh.

    ime anything legacy too far away from 50mm is pointless or expensive. Maybe zooms would be better with these things.

    • a focal reducer does more then giving extra speed, and for other people the other benefits can be more important then just the speed factor.

      • sorry this was a reply on Heplexn’s comment

        • lol correction this IS a reply on yours

    • Jap

      To each their own, I suppose. I bought three legacy Zuiko lenses with the idea of adapting them to 4:3 or µ4:3 systems. All three lenses were carefully chosen to ensure I had very decent copies of the latest (or in the case of the 135/3.5, close to the latest) versions of that legacy lens. With the Speed Booster, my 50/1.8 would become a 35/1.3 (35mm equivalent: 70/1.3), my 135/3.5 would become a 95.5/2.5 (35mm equiv.: 191/2.5), and my 200/4 would be transformed into a 141/2.8 (35mm equiv.: 282/2.8).

      I would normally hardly even consider using the 135/3.5 or 200/4 indoors for inside sports, stage/theater, or architecture/interiors. However, with the real possibility of them being transformed into 35mm equivalents of 191/2.5 and 282/2.8 optics, these become very viable options. Both the 50/1.8 and the 200/4 are multi-coated legacy lenses. The 50/1.8 is the final and sharpest revision of that lens. The 200/4 and 135/3.5 are both late revisions. In other words, all three lenses are among the cleanest and sharpest of their Zuiko class. All were acquired cheaply and are bargains, even though the 200/4 will need some repair.

      For me the Speed Booster certainly seems worth it.

  • Jap

    It would be nice if Metabones were to also release µFT-to-µFT and FT-to-µFT boosters—assuming that makes any sense.

    • the lens adapted to a focal reducer needs to have a bigger image circle then the sensor on which it will be used.

      • Jap

        That makes sense. Chalk up my comment to foolish wishing. lol

  • chris

    Question here:

    Is it possible to put two mount onto a camera?

    For example a speedbooster and a PL mount on a Blackmagic pocket camera or Lumix GH3?

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