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New Metabones Adapter, FrontBack Shutters, and Sigma 50mm Patent in Today’s Daily Roundup

By Anthony Thurston on July 25th 2015

Welcome to our roundup series where we will hit on several gear news and rumor topics each day. This gives you a chance to get caught up on all of the day’s news and rumors in one place. Make sure to check back daily for the latest gear news, rumors and announcements.

Metabones Announces EF-M43 Speed Booster ULTRA

metabones-700x358Metabones has announced their latest Micro four thirds speed booster, the EF-M43 Speed Booster ULTRA 0.71x with Autofocus. As the name implies, this bad boy finally brings Canon AF capabilities to the Micro Four Thirds market.

Like the ULTRA Series for Sony E-mount, the new Speed Booster ULTRA M43 uses an advanced 5-element 4-group optical design incorporating ultra-high index tantalum-based optical glass. However, the new design is specifically optimized for the Micro Four Thirds sensor and filter stack, and as a result, achieves an astonishing level of performance that sets a new standard for focal reducers.

The catch is that the AF portion of this adapter is pretty limited, only specific lenses mounted to specific cameras will work as intended. You can find out if your kit is a good match for this here.

If you are interested, you can pre-order the EF-M43 Speedbooter Ultra from B&H here.

Frontback App Shutters Doors Despite Solid Investment and 2 Million Users


Frontback was an interesting app that allowed users to take and share images with both the front, and back facing cameras on their smartphones. The app/social network received a solid 4 million in investments and managed to grow its user base to a cool 2 million users.

Despite all of this, the app/service has announce that they will be shutting their doors. The app has been removed from the Google Play store, and most of its social functions disabled on the iOS version. Users have until September 15th to grab any images they want from the service, and then everything will be deleted and gone forever.

“While we’ve seen exciting results with some communities, for most of the new members, it takes too much time and effort to understand why Frontback is different, resulting in an infrequent use of our product. After discussions with our team and investors, we realized that we couldn’t reach the critical numbers that would make Frontback a sustainable social network.

Another app bites the dust…

Sigma Patent for 50mm F/1.4 FLD with No Distortion Discovered


Oh what could have been…

A Sigma patent on an 50mm F/1.4 FLD lens has been discovered and it has zero distortion. This is likely one of the designs the company was toying with prior to coming out with the 50mm F/1.4 Art lens that is now in stores.

I know many people who generally like the 50mm FOV but hate the distortion that you can get with it, so a distortion-free version of the 50mm Art lens probably would be been popular with that crowd.

You can learn more about the patent over on Egami here. Would you have preferred a distortion free version of the current 50mm, even if it meant a higher price tag?

What are your thoughts on today’s roundup? What news/rumors did we miss? What would you like to see covered in future roundups? Leave a comment below and let us know what you think!

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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. Dave Haynie

    Apparently the focus control only works with some Panasonic bodies, not Olympus, JVC, etc. They’re already up to about 5 different EOS to m43 adapters at Metabones, kind of frustrating. I’m sure I could find use for my Canon 50mm f/1.4 or 85mm f/1.8 lenses attached to my Olympus and a true speed booster.

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  2. Matthew Saville

    For portrait photographers, the undesirable distortion created by a 50mm has to do with the perspective, not so much barrel / pincushion distortion. “Wobbly horizon” AKA mustache distortion is usually really only very bad at wider angles. TLDR, I think the existing Sigma 50mm f/1.4 Art is as perfect as it ought to be, and is already hefty enough…

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