Metabones Speed Booster

Started Apr 24, 2014 | Discussions
DJ2014
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Metabones Speed Booster
Apr 24, 2014

Has anyone tried a Metabones Speed Booster adapter on a Fujifilm X body?  Has anyone compared images using the speed booster v normal adapter? I'm considering buying speed booster to use my canon lenses on my X-T1

Fujifilm X-T1
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Tack007
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Re: Metabones Speed Booster
In reply to DJ2014, Apr 24, 2014

Hi, I have it on my X-T1 . . . and I am super happy, the math is simple . . .if you have some lenses from old system like nikon or canon the math is simple . . . I have nikon mount 85mm F1,4 lens, with speed booster mounted I have 85mm x 0,72 because of speed booster which means 61.2mm than x 1,5 as crop factor of fujifilm x series chip = 91,8mm, which is much better than 127mm, when you use standard convertor. Also the F1,4 is one F stop better . . . max F 0,72, creating similar depth of field as full frame does.

Here is the sample I have shot in studio yesterday: 85mm nikon mounted with speed booster on my X-T1

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afragisk
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Re: Metabones Speed Booster
In reply to DJ2014, Apr 24, 2014

I've done and posted various tests using that with Canon FD 50 1.2L, 85 1.2L and 100 f/2 - plus one more which I still own! Long story short:

- At 1.2 both lenses lost contrast and sharpness compared to Fuji's 1.4 or 1.2 (23, 35, 56). This was part of the reason I sold them - the other part is the MF and the fact the 56 is so good and fun to use at 1.2.

- Stopped down a bit (not even 1 stop), they are amazingly sharp, sharper than Fuji. I contemplated keeping the 100 f/2 for this reason but then I realized I'm not such a sharp freak and didn't have enough space in my small bag, so I sold it.

- At equivalent apertures to Fuji, with the adapter (not speedbooster), they are brighter - pretty consistently across all lenses - by about 0.5 stops.

For what it's worth, out of all three, I highly recommend the 100 f/2 since, with or without speedbooster, Fuji doesn't yet have the (equivalent) focal length at such large aperture.

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http://www.flickr.com/photos/apollonas/
Fuji XE-2, Canon FD 300 4L, Fuji 55-200, Fuji 56 1.2, Fuji 27 2.8, Fuji 23 1.4, Fuji 14 2.8, Bower 8 2.8

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DJ2014
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Re: Metabones Speed Booster
In reply to afragisk, Apr 24, 2014

So was your testing and use with the normal Metabones adapter only, or did you also try the Speed Booster?  Thank you for your input and reply.

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afragisk
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Re: Metabones Speed Booster
In reply to DJ2014, Apr 24, 2014

DJ2014 wrote:

So was your testing and use with the normal Metabones adapter only, or did you also try the Speed Booster? Thank you for your input and reply.

Both

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http://www.flickr.com/photos/apollonas/
Fuji XE-2, Canon FD 300 4L, Fuji 55-200, Fuji 56 1.2, Fuji 27 2.8, Fuji 23 1.4, Fuji 14 2.8, Bower 8 2.8

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DJ2014
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Re: Metabones Speed Booster
In reply to afragisk, Apr 24, 2014

And the normal adapter seems like it produced better images than the Speed Booster if I read your post correctly.

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afragisk
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Re: Metabones Speed Booster
In reply to DJ2014, Apr 24, 2014

DJ2014 wrote:

And the normal adapter seems like it produced better images than the Speed Booster if I read your post correctly.

No, I couldn't detect a scientific difference between the two. The only difference I saw was in my 300 4L lens where the speedbooster caused slight vignetting. Hope that helps.

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http://www.flickr.com/photos/apollonas/
Fuji XE-2, Canon FD 300 4L, Fuji 55-200, Fuji 56 1.2, Fuji 27 2.8, Fuji 23 1.4, Fuji 14 2.8, Bower 8 2.8

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REDred Photo
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Re: Metabones Speed Booster
In reply to DJ2014, Apr 24, 2014

I use the Metabones Speedbooster with my Contax Zeiss lenses on the Fuji X-T1. I currently don't own any fuji lenses at all. I'm very happy with the performance in terms of image quality and handling. I have no idea how the canon lenses will perform on the speed booster but I know I'm extremely happy with my zeiss lenses this way. The speed booster pretty much never comes off the fuji and I switch between 7 different contax lenses.

Here are some example shots with the speed booster and the contax lenses. All raw files processed in Photoninja.

X-T1 + Speedbooster + Contax 28mm 2.8 - ISO 640

Stitched Panorama - Fuji X-T1 + Speedbooster + Contax 50mm 1.4 - ISO 200

X-T1 + Speedbooster + Contax 100mm 2.8 - ISO 200

X-T1 + Speedbooster + Contax 100mm 2.8 - ISO 200

X-T1 + Speedbooster + Contax 35mm 1.4 - ISO 2500

X-T1 + Speedbooster + Contax 100mm 2.8 - ISO 200

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Neil Buckland
REDred Photo School
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DJ2014
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Re: Metabones Speed Booster
In reply to REDred Photo, Apr 24, 2014

Thanks. Very helpful

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shigzeo
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Re: Metabones Speed Booster
In reply to DJ2014, Apr 25, 2014

DJ2014 wrote:

Has anyone tried a Metabones Speed Booster adapter on a Fujifilm X body? Has anyone compared images using the speed booster v normal adapter? I'm considering buying speed booster to use my canon lenses on my X-T1

I use the Speedbooster exclusively. The lenses I use are Nikon Ai/S lenses. It works well enough, but the problem isn't the glass or the adapter, it's that your automatically indexing SLR lenses have to be used stopped down, which when used in conjunction with strobes in dark situations causes the EVF to chop to hell, or you to have to shoot wide open.

Handling of SLR lenses and even rangefinder lenses isn't great on a mirrorless camera. It works, but never ever resembles the fluidity and ease/speed of the same lenses on their original mounts. If you can live with those (somewhat massive caveats) go for it. I love the Speedbooster.

 shigzeo's gear list:shigzeo's gear list
Nikon D200 Fujifilm X-Pro1 Nikon D800 Leica M Typ 240 Sony Alpha 7R +9 more
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REDred Photo
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Re: Metabones Speed Booster
In reply to shigzeo, Apr 25, 2014

DJ2014 wrote:

Has anyone tried a Metabones Speed Booster adapter on a Fujifilm X body? Has anyone compared images using the speed booster v normal adapter? I'm considering buying speed booster to use my canon lenses on my X-T1

I use the Speedbooster exclusively. The lenses I use are Nikon Ai/S lenses. It works well enough, but the problem isn't the glass or the adapter, it's that your automatically indexing SLR lenses have to be used stopped down, which when used in conjunction with strobes in dark situations causes the EVF to chop to hell, or you to have to shoot wide open.

Handling of SLR lenses and even rangefinder lenses isn't great on a mirrorless camera. It works, but never ever resembles the fluidity and ease/speed of the same lenses on their original mounts. If you can live with those (somewhat massive caveats) go for it. I love the Speedbooster.

I partially agree with the comment about stop down metering... it does require a bit of adapating your process, which may be cumbersome to you. I don't know how the canon lenses stop down manually. With my contax lenses, I have manual aperture control, and yes I have to stop down to f8 if that's what I want to shoot at with strobes in the studio. The EVF does get a bit grainy and less fluid on the xt1 with so little light coming through, but I've found that even the low level illumination provided by modeling lamps is more than sufficient. In fact, the EVF automatically brightens in those dark situations, which actually makes low light manual focus easier than I ever found with the optical viewfinder. The greater difficulty comes not from low light but more from depth of field issues; when focusing at f8, nothing ever really "pops" into focus like it does at f2.8.
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Neil Buckland
REDred Photo School
Seattle, WA

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shigzeo
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Re: Metabones Speed Booster
In reply to REDred Photo, Apr 25, 2014

REDred Photo wrote:

DJ2014 wrote:

Has anyone tried a Metabones Speed Booster adapter on a Fujifilm X body? Has anyone compared images using the speed booster v normal adapter? I'm considering buying speed booster to use my canon lenses on my X-T1

I use the Speedbooster exclusively. The lenses I use are Nikon Ai/S lenses. It works well enough, but the problem isn't the glass or the adapter, it's that your automatically indexing SLR lenses have to be used stopped down, which when used in conjunction with strobes in dark situations causes the EVF to chop to hell, or you to have to shoot wide open.

Handling of SLR lenses and even rangefinder lenses isn't great on a mirrorless camera. It works, but never ever resembles the fluidity and ease/speed of the same lenses on their original mounts. If you can live with those (somewhat massive caveats) go for it. I love the Speedbooster.

I partially agree with the comment about stop down metering... it does require a bit of adapating your process, which may be cumbersome to you. I don't know how the canon lenses stop down manually. With my contax lenses, I have manual aperture control, and yes I have to stop down to f8 if that's what I want to shoot at with strobes in the studio. The EVF does get a bit grainy and less fluid on the xt1 with so little light coming through, but I've found that even the low level illumination provided by modeling lamps is more than sufficient. In fact, the EVF automatically brightens in those dark situations, which actually makes low light manual focus easier than I ever found with the optical viewfinder. The greater difficulty comes not from low light but more from depth of field issues; when focusing at f8, nothing ever really "pops" into focus like it does at f2.8.
--
Neil Buckland
REDred Photo School
Seattle, WA

Indeed, in the studio, the effect is hardly a put off, but in non-modelling situations, it is hard. I shot the X-T1 and Speedbooster with fast Nikkor Ai 50/2 glass at a recent event at the british embassy and found that the EVF stuttered horribly even at F2 unless in very good light. We are years from being able to replace a GOOD OVF. Even my wife's D5000 is more contrasty and easier to focus the wide-open 50mm F2 for 'good enough' sharpness than the X-T1, primarily because it isn't resolution dependent.

Lenses that pop into focus on decent and even poor OVFs don't pop into focus on EVFs and need separate focusing aids. You can get 100% sharpness from the EVF, but it never is as fast or as practical in real-life situations. In five years, that may not be the case. Even in very dark settings, we may get 120 fps and have EVF resolution that the eye cannot fathom. Until then, the EVF is a remarkable tool that works when you have the time for it, but isn't ready for anything but very easy prime time.

 shigzeo's gear list:shigzeo's gear list
Nikon D200 Fujifilm X-Pro1 Nikon D800 Leica M Typ 240 Sony Alpha 7R +9 more
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PunishedPixels
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Re: Metabones Speed Booster
In reply to DJ2014, Apr 25, 2014

I am using this adaptor with XT-1 and all my Nikon lenses. used it with the 85mm F1.8 and 10-24 ultra wide.

Works well. No complaints so far.

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DJ2014
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Re: Metabones Speed Booster
In reply to shigzeo, Apr 25, 2014

Thanks. Very helpful

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Antone
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Re: Metabones Speed Booster
In reply to Tack007, Apr 27, 2014

Tack007 wrote:

Also the F1,4 is one F stop better . . . max F 0,72, creating similar depth of field as full frame does.

I'm pretty sure this isn't correct. While the Speed Booster does double the amount of light striking the sensor, the depth of field remains the same.

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Tony-S

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afragisk
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Re: Metabones Speed Booster
In reply to Antone, Apr 27, 2014

Tack007 wrote:

Also the F1,4 is one F stop better . . . max F 0,72, creating similar depth of field as full frame does.

I'm pretty sure this isn't correct. While the Speed Booster does double the amount of light striking the sensor, the depth of field remains the same.

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Tony-S

He just omitted saying "as full frame does at the FF equivalent focal length quoted on the lens". Dof is the same. Also light doesn't double.

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Apollon
http://www.flickr.com/photos/apollonas/
Fuji XE-2, Canon FD 300 4L, Fuji 55-200, Fuji 56 1.2, Fuji 27 2.8, Fuji 23 1.4, Fuji 14 2.8, Rokinon II 8 2.8

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Antone
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Re: Metabones Speed Booster
In reply to afragisk, Apr 27, 2014

afragisk wrote:

Also light doesn't double.

It concentrates the amount of light leaving the lens that effectively gives twice as much light striking the sensor. The 0.71x factor of the adapter is what causes this doubling [log(0.71^2)/log(2) = -0.99]. It's the same reason most companies make 1.4x teleconverters (0.97 stop loss) instead of 1.5x (1.17 stop loss) teleconverters.

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Tony-S

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afragisk
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Re: Metabones Speed Booster
In reply to Antone, Apr 27, 2014

Antone wrote:

afragisk wrote:

Also light doesn't double.

It concentrates the amount of light leaving the lens that effectively gives twice as much light striking the sensor. The 0.71x factor of the adapter is what causes this doubling [log(0.71^2)/log(2) = -0.99]. It's the same reason most companies make 1.4x teleconverters (0.97 stop loss) instead of 1.5x (1.17 stop loss) teleconverters.

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Tony-S

Yes, you're right, the light does double, increasing by one stop - too late to think straight yesterday.

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Apollon
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http://500px.com/Apollon
Fuji XE-2, Canon FD 300 4L, Fuji 55-200, Fuji 56 1.2, Fuji 27 2.8, Fuji 23 1.4, Fuji 14 2.8, Rokinon II 8 2.8

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Redlion
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Re: Metabones Speed Booster
In reply to DJ2014, 10 months ago

I use a Metabones Speed Booster with my Fuji XT-1 and Nikon 50mm F1.2 .

Works Great!

Here are some examples (all shot at F1.2)

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DJ2014
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Re: Metabones Speed Booster
In reply to Redlion, 10 months ago

Very nice

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