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Thread: Speed booster for NEX

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    Thumbs up Speed booster for NEX

    Metabones - Metabones and Caldwell Photographic introduce Speed Booster

    This is an optical revolution that enables ultrafast lenses for the NEX.

    Ultrafast lenses with maximum apertures of f/0.9 is a reality with immense possibilities.

    Can't wait to get hold of one.
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    Re: Speed booster for NEX

    Hi Vivek,

    Many thanks. WOW! I hope it works as advertised.
    You always seem to spot new gear first!

    Another reference:
    An adaptor claims to make your lens, faster, wider and better!! This is NOT an April Fool’s! | Philip Bloom

    Best Regards, K-H.

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    Re: Speed booster for NEX

    More details and actual test results here:

    An adaptor claims to make your lens, faster, wider and better!! This is NOT an April Fool’s! | Philip Bloom

    K-H, You beat me to it (in posting the test page)!

    In fact, I was aware of this for sometime (rather agonizingly long wait for me). I just heard the official announcement from the creator and posted the metabones link.
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    Re: Speed booster for NEX


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    Re: Speed booster for NEX

    Sounds almost too good to be true, but I'd like to read your review Vivek

    Thanks for the heads up.
    All the best.
    Bart ...

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    Re: Speed booster for NEX

    Once they realize what we have in the Speed Booster, they will understand that this is in fact revolutionary.

    There are patents on it.

    As the metabones announcement states, Fuji (APS-C) X mount also stands to benefit from it.

    Most of all, the m4/3rds gets a big boost as the possibilities extend beyond what the APS-C sensors can reap.

    One could use ultrawide zooms made for APS-C sensors on the m4/3rds!

    Quote Originally Posted by k-hawinkler View Post

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    Re: Speed booster for NEX

    Quote Originally Posted by Knorp View Post
    Sounds almost too good to be true, but I'd like to read your review Vivek

    Thanks for the heads up.
    All the best.
    Hi Bart, Well, well, well. What about that 50/1.2 of yours in K mount?

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    Re: Speed booster for NEX

    Quote Originally Posted by Vivek View Post
    Hi Bart, Well, well, well. What about that 50/1.2 of yours in K mount?
    Awesome
    Bart ...

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    Re: Speed booster for NEX

    Here is the "white paper" on the Speed Booster with enormous information:

    http://www.metabones.com/images/meta...te%20Paper.pdf

    Also, it gives an outline of the background of the creators.

    Enjoy!
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    Re: Speed booster for NEX

    wow, looks like I may have to trade in my older classic metabones ef to nex adapter, pre AF.

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    Re: Speed booster for NEX

    Quote Originally Posted by Vivek View Post
    Here is the "white paper" on the Speed Booster with enormous information:

    http://www.metabones.com/images/meta...te%20Paper.pdf

    Also, it gives an outline of the background of the creators.

    Enjoy!

    Hi Vivek,

    Thanks so much. Great info.
    Do you happen to know when the Speed Booster adapters to m4/3 become available on their website?

    Thanks again, K-H.

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    Re: Speed booster for NEX

    Hi K-H,

    I have no idea who Metabones are (other than looking at web postings)!

    I only know Dr. Brian Caldwell who is the creator of the optics and we exchange ideas (with me learning a lot most of the time). No other associations in whatsoever form or shape.

    I have no clue about the availabilities of the Speed Booster in other mounts.

    Sorry, I can not be of much help.
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    Re: Speed booster for NEX

    Quote Originally Posted by Vivek View Post
    Hi K-H,

    I have no idea who Metabones are (other than looking at web postings)!

    I only know Dr. Brian Caldwell who is the creator of the optics and we exchange ideas (with me learning a lot most of the time). No other associations in whatsoever form or shape.

    I have no clue about the availabilities of the Speed Booster in other mounts.

    Sorry, I can not be of much help.

    Hi Vivek,

    Thanks for your explanations. Much appreciated.
    Without your first post I most likely wouldn't even know about this.
    So I put an order in for Sony NEX System : Leica R Lens to Sony NEX Speed Booster
    It will be interesting to see how my Leica APO-Telyt-R 280/4 gets not only transformed into a 420/4 with a regular adapter, but with the Speed Booster into a ~300/2.8, 298.2/2.8 to be more exact.
    I think ~300/2.8 is close enough.

    Thanks again, with best regards, K-H.
    Last edited by k-hawinkler; 14th January 2013 at 04:27.

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    Re: Speed booster for NEX

    K-H, I think your 280 R will get transformed into a ~180mm FOV equivalent on a NEX.
    I've asked about how image quality from T/S lenses might be affected. If no issues then I also plan to order one.
    Mike Broomfield
    www.pbase.com/mike_broomfield
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    Re: Speed booster for NEX

    Quote Originally Posted by mbroomfield View Post
    K-H, I think your 280 R will get transformed into a ~180mm FOV equivalent on a NEX.
    I've asked about how image quality from T/S lenses might be affected. If no issues then I also plan to order one.

    Oh, could you please explain why?
    I don't think so.

    Shouldn't it be 280*0.71*1.5 mm = 298.2 mm

    Thanks, K-H.
    Last edited by k-hawinkler; 14th January 2013 at 05:04.

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    Re: Speed booster for NEX

    This is incredible. Finally no FOV change when using a crop sensor and you get a speed boost to boot! I'm going to wait a bit to see what happens when these get into peoples hands but this is a huge leap of useability for these tiny cameras for this 'fast normal' shooter.
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    Re: Speed booster for NEX

    Quote Originally Posted by k-hawinkler View Post
    Oh, could you please explain why?
    I don't think so.

    Shouldn't it be 280*0.71*1.5 mm = 298.2 mm

    Thanks, K-H.
    Yes you're right, sorry. I was converting to FF then not back to NEX

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    Re: Speed booster for NEX

    Crap, now it looks like I might have to get a Nex7.

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    Re: Speed booster for NEX

    The answer to your question here http://www.getdpi.com/forum/sony/415...m-f0-95-a.html , Mikal, is finally out.

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    Re: Speed booster for NEX

    Crap, now I need a 50/1.2 and a 24/2

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    Re: Speed booster for NEX

    It is funny how these old ideas like focal reducers keep coming around. I always thought the idea of mirrorless systems were that they were compact. Putting larger 35mm Canon and Nikon SLR lenses on them seem a little half-baked.
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    Re: Speed booster for NEX

    Well you can always just buy a Noctilux or a 50/1.1 Voigtlander and put it on your NEX, instead. But both of those are actually larger than using the reducer, not to mention pricier.

    Plus, you only get one focal length. If you get an SLR 50/1.2 and a plain (inexpensive) adapter, and a reducer, you end up with two focal length options.

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    Re: Speed booster for NEX

    Quote Originally Posted by monza View Post
    Crap, now I need a 50/1.2 and a 24/2
    OM lenses.

    OM 50/1.2 + Speed Booster ~ same length (or may be a tad less than) as the Sony E 50/1.8.
    OM 24/2 combo would be even more compact.
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    Re: Speed booster for NEX

    24 Summilux on NEX, $6k. Equivalent FOV, 36mm. Equivalent DOF, f2.1. Equivalent max aperture, f/1.0.

    35/1.4 C/Y on NEX, ~$1000. Equivalent FOV, 38mm. Equivalent DOF, f/1.5. Equivalent max aperture, f/1.0.
    Last edited by monza; 14th January 2013 at 14:54.

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    Re: Speed booster for NEX

    Quote Originally Posted by monza View Post
    Well you can always just buy a Noctilux or a 50/1.1 Voigtlander and put it on your NEX, instead. But both of those are actually larger than using the reducer, not to mention pricier.

    Plus, you only get one focal length. If you get an SLR 50/1.2 and a plain (inexpensive) adapter, and a reducer, you end up with two focal length options.
    The specs don't allow for a lens with an aperture larger than f/1.26. It looks like you need f/1.4 lenses or slower.

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    Re: Speed booster for NEX

    Correct. I was stating that the only other option is to put a native fast lens on the camera with a plain adapter.

    This reducer concept will not work with rangefinder lenses.

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    Re: Speed booster for NEX

    Quote Originally Posted by monza View Post
    Well you can always just buy a Noctilux or a 50/1.1 Voigtlander and put it on your NEX, instead. But both of those are actually larger than using the reducer, not to mention pricier.

    Plus, you only get one focal length. If you get an SLR 50/1.2 and a plain (inexpensive) adapter, and a reducer, you end up with two focal length options.
    Yup, I love the idea of my 50mm Takumar becoming both a fast (FF equiv) 50mm and also a fast 85mm lens! Just need to take the adaptor off!

    Been playing with the NEX 7 files again, bit noisy but they can take a whole lot of punishment in post to negate a lot of the tonality difference between it and FF. Oh and the adaptor will give me a full stop of iso back. Have to admit to being really tempted. A 5D3 for use with my alt lenses needing a hack and a video viewfinder to get accurate manual focus or a Nex 7 with this adaptor at not much over half price, built in peaking, use of all my canon lenses (inc AF on my 16-35LII) plus anything that can take a canon adaptor like my Pentax Takumar or lensbaby, oh and it's going to be about 1/3 of the size even without the viewfinders. You have to admit it does sound tempting if you already have a FF DSLR to do the fast focus stuff.

    But of course we wait to hear from users in the real world. The glamour of the reviews ends up hitting cold hard facts in the real world. That's where we find out for real whether we have snake oil or the real McCoy.
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    Re: Speed booster for NEX

    Quote Originally Posted by Ben Rubinstein View Post
    The glamour in the real world ends up hitting cold hard facts.
    It will be interesting in how fast the camera can drive the lens and how the lenses will feel with CDAF. It will be interesting to see what happens to corner sharpness too--it might improve some lenses and do the opposite for others. I wonder what would happen with the 17mm PC lens?

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    Re: Speed booster for NEX

    https://vimeo.com/57292607#

    as I would judge from that - AWESOME !
    Even if this would be a solution for video only, this would be a killer.
    But if stills actually also get sharper and 1 stop brighter, this thing will be sold like hamburgers at McDonalds.......

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    Re: Speed booster for NEX

    Quote Originally Posted by monza View Post
    24 Summilux on NEX, $6k. Equivalent FOV, 36mm. Equivalent DOF, f2.1. Equivalent max aperture, f/1.4.

    35/1.4 C/Y on NEX, ~$1000. Equivalent FOV, 38mm. Equivalent DOF, f/1.5. Equivalent max aperture, f/1.0.
    nice calcs monza, wonder if the adapter will transpose these equivalent Apertures for the likes of the EF to nex reducer adapter, rather than just putting actual aperture data into the exif.

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    Re: Speed booster for NEX

    Very interesting. I assume that much will depend on the optical quality of the adapter, Hopefully, the adapter for m4/3 will be 0.5x. In that case, I look forward to using my OM WA lenses on m4/3. Does anybody know how the adapter will affect DOF? Will it be the same as if the lens were used on a 35mm camera?

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    Re: Speed booster for NEX

    I believe they are all 0.71x reduction.

    Equivalent DOF for m4/3 would be (2 x 0.71 x the f-stop) (2 being the crop factor of m4/3)

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    Re: Speed booster for NEX

    I have been following this all day and I must say I am very excited. This (if it works as promised) opens up all kinds of new opportunities for mirrorless cameras.

    Here's a question though. Lets say I mount the EF adapter on my NEX and then mount a Contax/Yashica to EOS adapter on the adapter. Would C/Y Zeiss lenses then work? I see no reason why they shouldnt. Same goes for popping in an M42 to EOS adapter as well I suppose. That would be sweet.

    Now I just hope they announce a Minolta Rokkor version.

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    Re: Speed booster for NEX

    Should work f/otographer; the optics need to be able to make any EF lens work, so who's to say the C/Y+Adapter isn't just a funny-shaped EF lens? Essentially, if the image was going to focus correctly on a FF Canon sensor, it'll focus correctly on the Nex sensor.

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    Re: Speed booster for NEX

    Quote Originally Posted by Jorgen Udvang View Post
    Very interesting. I assume that much will depend on the optical quality of the adapter, Hopefully, the adapter for m4/3 will be 0.5x. In that case, I look forward to using my OM WA lenses on m4/3. Does anybody know how the adapter will affect DOF? Will it be the same as if the lens were used on a 35mm camera?
    Yes, DOF should be the same. DOF is determined by the geometry between the subject and the apparent aperture of the lens (meaning the image of the aperture when looking at the front of the lens).

    This adapter essentially just takes what would have been the FF-sized image plane and shrinks it down to APS-C (or m4/3). Whatever was in focus will still be in focus, whatever was not will still not be in focus.

    That is, if I understand it correctly. . .

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    Re: Speed booster for NEX

    So my plan to buy a 6D to use as a "Digital 35mm OM" might be replaced by a NEX or an X. An X-E2 with the digital split screen of the X100s would be perfect for this.

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    Re: Speed booster for NEX

    The possibilities of the speed booster on the m43rds are even more than the one for the APS-C sensors.

    Consider the Sigma 8-16 zoom made for APS-C. With 0.71x factor, on the m43rds, it becomes the widest ultrawide possible.

    The white paper I linked above discusses quite a few possibilities.

    If you look carefully, you would also find that there are two separate optical designs- one for m43rds and another for APS-C. There are specific reasons for this.

    Personally, I would consider using my OM lenses with the speed booster on the NEX'. The OM 50/1.2 which is the lightest and more compact of all the 35mm lenses being the most attractive.

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    Re: Speed booster for NEX

    Quote Originally Posted by Taylor Sherman View Post
    Yes, DOF should be the same. DOF is determined by the geometry between the subject and the apparent aperture of the lens (meaning the image of the aperture when looking at the front of the lens).

    This adapter essentially just takes what would have been the FF-sized image plane and shrinks it down to APS-C (or m4/3). Whatever was in focus will still be in focus, whatever was not will still not be in focus.

    That is, if I understand it correctly. . .
    Thing is that when you compress an image the look is of more DOF. Will that translate to this adaptor? Probably. They are saying that the compression will get rid of a lot of other artifacts so I assume the compression will do the same for the DOF.
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    Re: Speed booster for NEX

    The DOF is the same as it would be if a native lens were attached.

    I.e., speed boost a 50/2.8 Macro to 35/2 and attach it...on m4/3, the DOF will be equivalent to a 70/4 (2x crop factor.)

    This is exactly the same as if a 35/2 native lens were attached.

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    Re: Speed booster for NEX

    Quote Originally Posted by Vivek View Post
    Consider the Sigma 8-16 zoom made for APS-C. With 0.71x factor, on the m43rds, it becomes the widest ultrawide possible.
    .
    Interesting that if using the GH1/2's true multi aspect 16:9 mode in still or movie mode would produce

    8x0.71x1.83 = 10.39

    Would it vignette?

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    Re: Speed booster for NEX

    Quote Originally Posted by mbroomfield View Post
    K-H, I think your 280 R will get transformed into a ~180mm FOV equivalent on a NEX.
    I've asked about how image quality from T/S lenses might be affected. If no issues then I also plan to order one.

    Hi Mike,

    I think you are correct though that the 280 gets turned into a roughly 200 mm actual focal length.

    Please, see here. http://www.getdpi.com/forum/482478-post8.html

    With best regards, K-H.

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    Re: Speed booster for NEX

    Quote Originally Posted by kainekainekaine View Post

    Would it vignette?
    I do not have any first hand experience to answer that (and do not want to convey any hearsay). I am just pointing to the white paper and the specs.

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    Re: Speed booster for NEX

    Quote Originally Posted by Ben Rubinstein View Post
    Thing is that when you compress an image the look is of more DOF. Will that translate to this adaptor? Probably. They are saying that the compression will get rid of a lot of other artifacts so I assume the compression will do the same for the DOF.
    I would think that would apply to printed images, but not compressed sensor images?

    EG if I take the image from FF and the image from a SpeedBoost-adapted APS-C, and print them both at 8x10, the DOF will be the same.

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    Re: Speed booster for NEX

    Quote Originally Posted by Ben Rubinstein View Post
    Thing is that when you compress an image the look is of more DOF. Will that translate to this adaptor? Probably. They are saying that the compression will get rid of a lot of other artifacts so I assume the compression will do the same for the DOF.
    Ben, Taylor is correct.

    See: Prototype Metabones Speed Booster equipped NEX 7 *VS* full frame 5D Mark III – 1st comparison shots | EOSHD.com

    for the exact comparison that you are looking for.
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    Re: Speed booster for NEX

    Thank you!
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    Re: Speed booster for NEX

    OMG, do want.

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    Re: Speed booster for NEX

    The Speed Booster arrived today.
    I posted a couple of shots here: Leica User Forum - Einzelnen Beitrag anzeigen - Metabones Speed Booster
    6000x4000 versions are here: 2013-01-16 Speed Booster - winklers' Photos

    With best regards, K-H.

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    Re: Speed booster for NEX

    many thanks k-hawinkler for links to samples images taken using the speed booster. It is now really tempting to get one of these adapters, especially since the adapter is actually shorter than the original metabones smart EF to NEX adapter

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    Re: Speed booster for NEX

    Quote Originally Posted by k-hawinkler View Post
    The Speed Booster arrived today.
    I posted a couple of shots here: Leica User Forum - Einzelnen Beitrag anzeigen - Metabones Speed Booster
    6000x4000 versions are here: 2013-01-16 Speed Booster - winklers' Photos

    With best regards, K-H.
    K-H, That was quick! Thanks!

    It is a pleasant surprise to see the examples. The APO 280/4 being one of the sharpest lenses out there for any system! Awesome!

    How do find the build quality of the SB?

    EDIT: I notice the corners going soft and with CA. How does NEX-7 image the same/similar subjects without the SB?
    Last edited by Vivek; 16th January 2013 at 23:27.
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  50. #50
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    Re: Speed booster for NEX

    Quote Originally Posted by Vivek View Post
    K-H, That was quick! Thanks!

    It is a pleasant surprise to see the examples. The APO 280/4 being one of the sharpest lenses out there for any system! Awesome!

    How do find the build quality of the SB?

    EDIT: I notice the corners going soft and with CA. How does NEX-7 image the same/similar subjects without the SB?

    Hi Vivek,

    Thanks. Your observations also agree with those of Douglas Herr of wildlightphoto, please see the discussion after post #25 here.
    Metabones Speed Booster - Seite 2 - Leica User Forum

    I am planning control shots with a Novoflex adapter, please see post#28.

    Build quality of the SB seems fine to me.

    With best regards, K-H.

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