GH4 This Should Make Lots of Canon Lens Owners Happy...

salvo said:
I wonder if Metabones can make a Micro Four Thirds to Micro Four Thirds speed booster for people that already have a collection of Lumix lenses?
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Micro 4/3 lenses are designed to only cover a Micro 4/3 sensor, so a SpeedBooster adapter is not possible. ( SpeedBoosters are used with lenses designed for the much larger FF 35mm format )
 
any of you tech geek/gods know if my 10-22mm Canon EF-"S" would fit in this? Seems like the S part makes it not fit other adapters I have. Thoughts?
 
So, now I have the decision of selling my Nikon Speedbooster and getting Sigma to convert my 18-35mm f/1.8 Nikon lens to Canon or stick with Nikon. Hmm...

EDIT: Oh also... I wonder if this is the 'Big Surprise' Panasonic was talking about.
 
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wwjd said:
any of you tech geek/gods know if my 10-22mm Canon EF-"S" would fit in this? Seems like the S part makes it not fit other adapters I have. Thoughts?
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No tech gods needed :)

From the article: "It turns the GH4′s 2x crop sensor into a 1.5x crop APS-C equivalent, making full use of third party EF APS-C lenses from Sigma and Tokina. Canon APS-C lenses are EF-S mount so won’t work."
 
Fahnon said:
No tech gods needed :)

From the article: "It turns the GH4′s 2x crop sensor into a 1.5x crop APS-C equivalent, making full use of third party EF APS-C lenses from Sigma and Tokina. Canon APS-C lenses are EF-S mount so won’t work."
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By the way, I don't quite understand this one... The cameras all have an EF mount as far as I know, and EF-S lenses just use a smaller imaging circle. Am I wrong about this?
 
PAID IN FULL.

I've been waiting for this since my AF-100 days. Now I get a Speed Booster too. This is the best news a C100 GH4 owner can get!

Thank you Metabones!!!!
 
CustomerGH4 said:
If I buy this then I can connect Sigma 18-35mm , without using any additional adapters, correct?
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If its an EF mount then yes.

Personally I have Nikon mount glass and a Nikon SB. I will hold out till they work out any bugs. Just look at what version the EF-Emount SB is and there are still issues.

It would be nice to have in the kit to share glass with a few guys I occasionally work with and to mount my m42 russian lenses to a SB but I'm in no hurry to be an early adopter.

That said I are really happy that metabones finally did something about the EF-M43 gap.
 
Ah, I see now:
"The EF-S standard is locked down by Canon and cannot be used by third parties, plus the rear of most EF-S lenses sticks out too far making them physically incompatible with the Speed Booster adapter."

KAAANON!!!!!!
1398996669869.jpg
 
RatLabProductions said:
If its an EF mount then yes.

Personally I have Nikon mount glass and a Nikon SB. I will hold out till they work out any bugs. Just look at what version the EF-Emount SB is and there are still issues.

It would be nice to have in the kit to share glass with a few guys I occasionally work with and to mount my m42 russian lenses to a SB but I'm in no hurry to be an early adopter.

That said I are really happy that metabones finally did something about the EF-M43 gap.
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It is I guess.
http://www.thephoblographer.com/2013/07/16/review-sigma-18-35mm-f1-8-canon-ef/#.U_zos2M6uPc

So yeah, good news.
 
wwjd said:
any of you tech geek/gods know if my 10-22mm Canon EF-"S" would fit in this? Seems like the S part makes it not fit other adapters I have. Thoughts?
Click to expand...

I don't think you would have any issues with it fitting, although they say that EF-S lenses protrude too much so the rear of the lens might hit the glass inside the speedbooster, the main issue is that they cannot control the lens.
 
Daniel Brown said:
So, now I have the decision of selling my Nikon Speedbooster and getting Sigma to convert my 18-35mm f/1.8 Nikon lens to Canon or stick with Nikon. Hmm...
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Same boat, same thought but only for a moment... I'd rather have the clickless infinite mechanical manual aperture via the Nikon adapter than the electronics-dependent Canon iteration. If the Sigma had stabilization, I'd reconsider.
 
mcbob said:
Same boat, same thought but only for a moment... I'd rather have the clickless infinite mechanical manual aperture via the Nikon adapter than the electronics-dependent Canon iteration. If the Sigma had stabilization, I'd reconsider.
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That is a very good point. I didn't consider giving up the clickless aperture but you are correct.
 
salvo said:
I wonder if Metabones can make a Micro Four Thirds to Micro Four Thirds speed booster
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I'd prefer lens makers to just make proper, affordable video glass.

1. Constant 2.8 or better at ALL focal lengths.
2. De-clicked iris next to the lens mount, rotating counter-clockwise to open the iris.
3. Inner focus and zoom, no lens barreling or rotation.
 
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