BMPCC 4K Viltrox Sigma 18-35: is Viltrox any good for pocket 4k?
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- čas přidán 4. 07. 2024
- BMPCC 4K Viltrox Sigma 18-35: is Viltrox any good for pocket 4k?
When it comes to using the Pocket 4k, it is very popular to use speedboosters. There are two main brands on the market: Metabones and Viltrox. Is the significantly cheaper Viltrox any good? Or should you get the $699 Metabones one?
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Very nice and modest review. You made very solid points about both speed boosters.
Appreciate it Rodney! Thank you for leaving a comment
You really gave me hope with the Viltrox, I was skeptical for getting one :)
People say different things for sure so this is my own opinion. But I know two other pros that use the viltrox and they think it's great.
I was planning to buy these 3 combo new and not sure, but now I am! Thanks!
Perfect explanation of an adapter very informative thank you.
Great content! Well done!
Much appreciated! I've made tons of new videos on the BMPCC4k which might be relevant to you as well
Great video. I have the same lens for my canon m200. I use just the regular viltrox adapter . It’s great no play at all and the autofocus and tap to focus works great. Thanks again.
Thank you for simplifying things!
Very informative, thanks.
Great review! Finally I have found out why speed booster is so great on bmpcc 4K!
Love your channel. Always giving valuable information. Hopefully in the future I'll get a blackmagic camera. This is so useful. Most of all showing the difference between the bmpcc 4k and 6k. Thanks.
Thanks a lot Kevin for watching and commenting! Yes this is a very important consideration when choosing between the 4k and 6k variants.
Informative. Thank you.
Thanks so much for this video, man. I had no idea I needed an adapter and I was losing my head. Again, thanks!
Hope you got it sorted Steven! I almost use this lens exclusively on the pocket 4k. Check out this video to see what my current rig is like czcams.com/video/JMikPsnkA8A/video.html
Great video very informative I liked and subbed
Thank you so much!
Bro..Nice review maynn..
Went through millions of reviews and finally found this your review that clearly tells me hey this combo is where the money is at. So I closed my 👀 and bought this your combo + Gh5..I hope it's worth it attached on a weebill-S for weddings too 🙂
Glad I could provide some insight! Keep crushing it!
Nice review, Jon. 👍 I've been binging on BMPCC 4k videos trying to figure out if I should move from my Panasonic G85. Glad I found your channel.
Glad you enjoyed! The BMPCC4k performs great with stabilized lenses. Check my latest video where I filmed a volcano with it using a telephoto lens handheld :D
@@JonBear Maybe I will...😁
hey @jon Bear i just got my viltrox for my bmpcc4k. it seems it does not detect the iris control, how did you do it?
Happened once to me. Update your camera or viltrox adapter. It should work
or press the release button from the bmpcc4k and twist the adapter back in again while the camera is on.
@@alexvanduong9885 hahaha recently discovered this also
@@alexvanduong9885 thanks! You just saved me a ton of headache. Lol
I now have this combo for my GH5, I was late to the game (I got my GH4 in 2016) but I bought it this year . . . . . After I bought the Laowa 7.5mm f2 and before I bought the Sirui 35mm anamorphic!
Nice!! That's a great selection of lenses. Would love to try the 35mm Anamorphic!
@@JonBear vimeo.com/493118193
Most def. intro is 💯
Thank you! Nice and short :)
Great review
Got the same set up
Even got a GH5 for handheld work ,,,lol
Besides the sigma, i use voigtlander noktons which i love
Great video man. Thanks for this. You've sold me in 2023
Great video:-)
Thank you!
I own the Commlite, and it’s nice! Thanks
Nice one!
Ótimo vídeo. Obrigado
Great video (as always) there is another speedbooster by aputure named "dec lensregain" it works a little bit diffrent, I got one used a while back but have not yet found the 18-35 used at the right price yet. It seems to keep it's value very good in the used market.
Wow thanks for the hint! Never heard of this speedbooster before 😮
The Sigma 18-35 is one of the most utilized lenses in the indy cinema space, so used ones are similarly priced a new ones. I'd just buy a new one as they've dropped in price considerably since it was released, and you can make sure the retailer sells you one with the newest firmware.
@@nikolaj3988 Dang wonder why they stopped supporting it. Now I want a speedbooster with follow focus
@@JonBear I need clarification here:
1. Lenses have firmware updates? You said the Sigma 18-35mm can be updates
2. And what does it mean "Aputure has a version with follow focus"? Aputure is a company that sells lights. Follow focus is related to maybe the Metabones adapter or the lens itself. Confusing comments... Please explain again? :)
Thx Jon for your positivity!!! Did you smoked something today? Never mind! But what schould bring the speedbooster for 6 K camera?
appreciate it! my only substance use is caffeine. Pocket 6k is EF mount native so no speedbooster compatibility - this is why I prefer the 4k
Just subbed! Your videos are great! Quick question, you say you don’t need autofocus as the viltrox doesn’t support it, however, don’t you need autofocus in some situations? How do you manage having to manually focus on every shot? Thanks :)
Super appreciate it Josh!
On the BMPCC4K you can turn on focus assist, which will highlights red outlines around your in-focus subject.
I set this to Medium. So grabbing focus is super fast and easy.
Furthermore there is a button on the face of the camera that let's you zoom in on the image. With this you can easily see if it's in focus and it allows fine-tuning.
The autofocus on Blackmagic is just tap to focus, so it's never meant to be used while recording. It's a cinema tool, and pros don't really use manual focus.
If autofocus is important to you then I'd recommend you look into cameras from Sony or Canon. What type of stuff do you usually film?
Hi thanks for the great video, will this work on the original black magic pocket? Thanks
Great video man! I wanted to ask you, if I buy the Metabone T-Cine speedbooster, would the Sigma trio lenses work on the BMPCC 4k? thanks!
How do you manage with there being no stabilization whatsoever between lens or the body in your work? Are you mainly doing narrative filmmaking? Do you stabilize a lot in post? I do a lot of corporate stuff where I would be either handheld or on a gimbal.
For the blackmagic, handheld is a no go. I use tripod. I got my GH5 for handheld :) If stabilization is important, then consider the G9 or GH5. They both match the Pocket 4k very well and use the same lenses
hi, does it work great? Is this adapter with a sigma 18-35 lens? I want to buy myself exactly the same kit as you have in the video, can you have any advice?
I have this exact same setup and I have to say please don't cheap out on the speed booster! My viltrox speedbooster completely softens my image when at f1.2 it's horrible
Yes but this is not just the speedbooster. The netabones is also soft at 1.2
Most lenses are soft wide open. I never go to below 1.6 myself
I have a question. Which mount do i need to buy for the pocket 4k? Am i buying the Canon mount or Nikon? there's a big different in price. im not buying a speed booster so i need to mount it straight to the camera.
Pocket 4k is a M43 camera. So it has a M43 mount.
You can get adapters for EF (canon) or Nikon
Do you find you get different results using the Viltrox + Sigma 18-35mm on the GH5 than the BMCC4K?
Great video!
I gave you a virtual high 5!
Can I use the Blackmagic Studio Camera 4 K for this same combination?
Yes you can! It has a micro four thirds mount same as the pocket 4k.
Although I would check to confirm that the adapter communicates with the camera as effectively as it does with the pocket 4k. Try searching around forums or facebook groups
Hey Jon, I just received this kit. After installing the viltrox booster with the lens, I noticed a sort of gloom on the footage. I tried to rotate the magnifying glass on the viltrox but I can't seem to find the solution. Any thoughts?
What do you mean by gloom? No focus? At what aperture is this "gloom"? at 1.2? I recommend 1.4 and above
Awesome! Thanks!
Question: when I look up the Sigma 18-35 on Amazon, etc. I see one for Canon, Nikon, and Sigma - none of which are the same prices. What's the difference between them and which one would I get for the 4K?
Make sure to avoid the Nikon version because the adaptor for Nikon to the pocket4k is not as good as the Adaptor for Canon (EF) to 4k (M43)
They are priced differently because the Canon one is for EF - which has much wider compatibility than the Nikon mount
@@JonBear Ah ok, that's what I figured. So, I go for the Canon one? Or the Sigma one?
Hey....great review. Do you know if the speed booster work with focus control from the remote BMPCC app?
No. Only aperture adjustment
Hi Jon, I have the exact same setup but I cannot get my autofocus to work, I've updated the camera and the adapter to the latest firmware like it said to so on multiple tutorials but no luck, autofocus is still not working. I am panicking a bit and would really appreciate your help on this.
Great video, what battery pack did you use for external use ?
Thank you for the comment! I use NPF970 batteries. I have a smallrig plate that outputs 12v from NPF battery. I connect it straight to the blackmagic with a weipu cable.
IF you use a dummy battery, make sure to output 7.4v from a dummy plate. Cheers!
@@JonBear I appreciate the response thank you 🙏🏽
I thought the Viltrox was plenty good and sharp too... until I finally bought a Metabones and saw the difference first hand. The Metabones is noticeably sharper, especially near the edges. It's also worth noting that almost every Viltrox out there needs adjusted for infinity focus. There are many CZcams videos on this.
Did you get the Metabones specifically designed for Black magic? I imagine it may be worth the price since it compensates for the sensor stack of the blackmagic.
When I got my viltrox over a year ago for my GH5, it was after watching a comparison video from Zebra Zone who uses it on blackmagic. He copared the non-blackmagic-metabones to the viltrox was only a hair less sharp. Gerald Undone also has videos on it that solidified my choice.
Yes the viltrox needs to be adjusted you're right. I did not mention this in the video but I have mentioned it in previous videos when I talk about it on my GH5.
@@JonBear Yes, I got the Metabones made specifically for the BMPCC 4K. It's also a tighter more solid fit.
@@srandall31 it doesn't show iris control with meta bone's and sigma 18-35mm on the black magic 4k either
@@dylangintherofficial Oh yes it does.
Hi! Very usefull your video, and it helps me in my decision! But there is a chance to find Viltrox for Nikon?
Thank you for the comment! Yes there is for Nikon. However it does not have electronics. So you won't get metadata and you won't be able to control the aperture in camera. Instead it has an aperture control switch on the adapter itself.
My friend uses it and it works fine. It's just fully manual and operates like a vintage lens would
@@JonBear Thanks!!!
after a recent update on the blackmagic the viltrox no longer worked with the speed booster, cant change or turn on the f stop
Is your Sigma 18mm-35mm lens a Canon EF-S mount?
I was wondering if the Viltrox adapter is compatible with that type of EF mount.
Yes, i just bought one. You need to update the speedbooster though. It works perfectly
Your explanation is incorrect as you are not taking into account in crop factor. The 18mm is not a 12mm on the BMPCC. It is 18mm times 2x crop factor times 0.71x reduction.
So the 18 becomes 36mm x 0.71 which is around 25mm equivalent on BMPCC 4k MFT sensor
Actually, because it’s an APS-C lens the crop factor is reduced to about 1.2x without the speed booster. That’s why you get vignetting at its widest with the speed booster, your crop factor winds up being about .85 with the SB.
So I was on an out door shoot yesterday for the first time with my sigma 18-35 leans with viltrox ef-m2 ii speedbooster and It would only go to f11 this normal?
You know why my camera don’t focus at 18mm, I’m using the same Viltrox as you, the camera only star to focus from 20mm
Try rotating the glass element on the viltrox to adjust. Use trial and error. Gerald undone has a good video for this
Hi Jon, thanks a lot for the video. I have the sigma 18-35 1.8 for Nikon, and just got the Viltrox NF-M43X for Nikon. The problem is that the image is all blurred, and it only focuses when I zoom an object. And also the aperture is not displayed on the screen. Need help!😥
The nikon version of the speedbooster has no electronics I believe so it won't have any communication with the camera.
Instead you adjust aperture on the adapter itself. As for why it is blurred I do not know why. maybe it's at f1.2 and you haven't managed to focus?
Good luck!
@@JonBear Thanks for the feedback, so the non-displayed aperture makes sense if it has no electronics. And about the image blurred, I managed to adjust it manually by turning the internal ring and it's ok now :)
Can you shoot 60fps with the adapter and 18-35mm
Yes it does not effect your camera settings
Hey,mate! how you enable ON autofocus? on my bmpcc 4k + viltrox m2 II + sigma 18-35 doesn't work! :(((
You made me buy a pocket 4k :)
Awesome! Hope you get good use out of it!
I know this video is a little bit old but with my Viltrox, I just had to update the firmware on the adapter. It has a USB plug and you download the software. It allowed me to autofocus, maybe its just a different case. Hope this is helpful
That's so cool! I will need to test it! Late reply, appreciate the patience.
@@JonBear I think I was just being dumb when I wrote this. It changes the Apeture, not the focus. Although that is intresting that it can control apeture but not focus
@@WHITEPERSUAS1ON ah yes. I mention this in the video. Being able to control aperture is a must since the lens does not have a manual aperture control. Indeed it is strange that the focus is not working and never has, given that the lens is clearly communicating with the camera. When I use the adapter on my GH5 camera, the focus works btw, so it's a blackmagic specific problem
how are you able to stay in focus? I am having a focusing issue if I set my focal range to 18. Since I cant change my aperture with the bmpcc 4k
If you cannot change the aperture then you need to find a firmware on the adapter and camera that communicate together. I made another video to solve this issue czcams.com/video/_GeIyRApwnc/video.html
The colors on the BMPCC 6k are much better, so i wouldnt say the only difference is resolution. In my country the 6K is only 400€ more. The sensor is larger, it has better low light and i can use my Sigma 18-35mm without extra equipment. As a hobby filmmaker i want the Ultimate Set Up for myself without compromises so i think its the smarter move to save some more money and buy the 6K. Or what do you think?
Hey Milan! in my previous video I address this question 'why get a 4k over a 6k?'
My conclusion is that:
1. Pocket 6k needs to shoot in 6k if I want to film in braw - which means heavier files - and I don't need 6k video.
2. When using a speedbooster, The sigma 18-35 will produce a wider image (almost as if the sensor is larger) on the pocket 4k than on the pocket 6k. It will also speed up the aperture to f1.2
3. I already owned the speedbooster and lenses for M43 sensor cameras so it made a lot more sense to get the pocket 4k for me.
In your case, if you don't already use m43 camera, then maybe the pocket 6k makes sense. Especially if you don't mind the massive file sizes from 6k video.
@@JonBear hi thanks for the answer. I dont really know what i am getting into. I own a Sony a6300 right now and have the problem that the 1080p looks disgusting and the 4k has massive rolling shutter. Maybe i could rent the 6K for specific projects? Or is it that complicated to film with that i have to own it in order to "learn" the camera
@@Milan-cf1xe If you have any experience at all, then I am sure you can get up to speed with the camera pretty quickly.
It has no "auto" modes, so if you know the basics of iso/aperture/shutterspeed/whitebalance then you can get a handle on it.
Other than that, it requires external power and external harddrive solutions in order to record for long sessions. If you decide to buy one, expect to pay at least 1000 euros extra for this stuff.
But once you have one, you're working with industry gear. Good if you're selling a video service.
If this sounds like too much, then consider upgrading to another Sony APSC camera that uses the same lenses you use now. I know a youtuber named That Icelandic Guy who only makes content about them. Maybe you can get some insight on how to make your a6300 pop
Best of luck!
@@JonBear Yes i am now 4 years shooting and focusing only manual so i think i mastered my Sony Camera.
Thank you so much for your advice
So with the viltrox you cannot use auto focus at all?
On GH5, it works fine with photos. A bit slow for video. On BMPCC4K, no autofocus.
Sir can you say about Sigma Dock, needed or not for Sigma lens18-35🙏
I have the dock and honestly never used it
Thank you for reply sir🙏🤝🥰
I get a f1.1 with my metabones
It's a matter of how it round the numbers
With the meta one's and sigma 18-35 on my black magic 4k iris numbers do not show up. What am I doing wrong? I tried reconnecting a boatload of timea
I try upgrading all firmware of camera and metabones
Still not showing my iris not even with my mft lenses
I never used metabones but with viltrox I made another video where I show what the best firmware is: czcams.com/video/_GeIyRApwnc/video.html
Hey buddy I bought the same gear yesterday but my iris not working bro...how i can i solve that.
I mean yesterday my iris was working fine but today its not.
I have sigma 18-35 1.8 with viltrox m2 with bmpcc4k help please
Hey bro! Try updating your viltrox or pocket 4k (preferrably both!) Latest update has them both working
i can see a bit of chromatic abberation with the speedbooster
I can see chromatic aberration on any lens that pushes wide open. I suggest sticking with f1.6 and above
I want to buy BMPCC 4k with sigma 18-35 but in Amazon there is option of configuration: us and international
And style : sigma /canon/Sony /Nikon
Which one should I select...?
I'm a beginner..
If you are using the adapter that in the video, then you need to get the CANON version of the lens.
As for US and INTERNATIONAL I am guessing it has to do with the markings (ft vs meters)
you said it will be wider on the MFT 4k so what is is more like, a 12-25?
Yes that's exactly it!
18 x 0.71 = 12.78mm
35 x 0.71 = 24.85mm
so it's basically 12-25mm once you round the numbers
@@JonBear ah a good guess! thank you for the fast response!
bro whats the link to the viltrox. order m2 version it didnt fit...
Make sure you get EF-M43 viltrox. It should be X0.71
So there's no way to use the sigma 18-35mm on the bmcpc4k without a speedbooster or an adapter?
Correct. You need either a speedbooster or adapter. But good news if you don't want to use a speedbooster, a simple adapter is cheap.
You will get a more narrow focal range which a lot of people prefer :)
@@JonBear can you recommend one?
Man! I just bought this setup, but my camera and viltrox cannot read the Iris value (or change it) and has a problem with deep focus. Any help, please? Anyone?
This happens when the viltrox is out of date. Try updating the firmware on both the viltrox and the blackmagic camera
Is it EF or EF-S ?
EF !
The fact that it is slightly loose would turn me insane. 😩
Yeah.. the difference between $150 and $699. I might try some of the DIY hacks to make it fasten more sturdily
Come on, it's in fact BS. This play is almost not noticable, and the lens is perfectly secured.
@@dawidnitecki9143 I agree. But it would be unfair not to mention it in the video :)
Is Sigma 18-35 EF-S mount?
Regular EF :)
It’s not a speed booster. It’s a focal reducer. Speed booster is a kind of metabones focal reducer. It’s a branded item.
I don't know what you mean. Even Viltrox calls it a speed booster on their website. viltroxstore.com/collections/speed-booster
Can't find the Current update for this viltrox
The current one is not that great. I tested many of them and found the best firmware in this video czcams.com/video/_GeIyRApwnc/video.html - download link to it should be in the comments
@@JonBear awesome
Please help! So I just bought the bmpcc4k and viltrox speed booster, and when I try to connect it, it won’t connect. I line up the red dots, but it doesn’t want to turn. I don’t want to force it and potentially break it - any ideas on what I should do?
I have never heard of this happening with the viltrox however I have had another Micro Four Thirds lens that did not want to fit on the bmpcc4k. Maybe try asking in the bmpcc4k forums on facebook groups, or reddit
@@JonBear it’s okay, I managed to fix it. Nothing was wrong, I was just being to careful and not turning it properly haha 😅
@@martianmilktvofficial I'm glad you got it sorted! I have been using the viltrox adapter almost daily for over 2 years now and it still holds up well. Best of luck filming with it!!
@@JonBear thank you very much!
Clutch thumbnail!
Thanks a ton! Love how it turned out
is there vignetting ?
Only if you use the lens hood that came with the sigma 18-35
Hey i have the Viltrox aswell but use a different lense.. The Sigma 17-50mm F/2.8 and i have problems with vignetting at the edges. Did you recognize this on the Sigma 18-35?
For which type of sensor size is the SIgma 18-35mm?
Are you using a lens hood?
The Sigma 18-35 is also an EF lens. I got vignetting when using the lens hood. The reason is because the viltrox will give your lens a wider image than on a apsc sensor that the lens was designed for.
Hope it helps!
@@JonBear Thanks for the quick answer! No I didnt use one when I recognized the vignetting. When I use a lens hood the black edges are even bigger. When I'm for example at 50mm and at infinity focus no vignetting, but on 50mm with very near focal range very big Vignetting as long as I'm using full sensor size. It's not a total disaster because most Projects I shoot are full HD and 16:9. Which means I can Crop in when the vignetting occurs. But I feel a bit limited with this great camera, that I just bought 2weeks ago. :/ I'll keep you updated if I find a solution. Great work btw really liked your video. Looking forward for more
@@Creator-it7bh Hmm then perhaps the lens is just too wide at 17mm.
It's just the quirk of working with lens adapters, every lens will be different. Interesting that how different the 50mm is at near focus.
If you need a wide lens, most people use the viltrox with the tokine 11-16
Thanks for the comment!
I own a 4K bmpcc and a few days ago I also bought a sigma 17 50. Unfortunately I realized a big vignetting problem with this lens up to 28 / 30mm shooting in C4k. On the other hand, in UHD the problem is not there. Although there are ways around the problem, this thing bothers me a lot and I think that sooner or later I will switch to lumix 12 35. From some videos I have seen on the net it seems that the sigma 18 35 also suffers from vignetting and in any case it does not I take it into consideration because it is a very heavy boulder!
Mi like is 420 :)) Damat so simbolic for me !
Would this work on the BMPCC also?
You mean the original Blackmagic pocket? It's micro four thirds mount so I assume yes :)
@@JonBear you are correct the OG and thanx also
So with the speed booster the lens is 12mm/29mm?
12-25mm ish yes :)
I thought it being a micro 4/3 camera the focal length would be doubled without the speed booster since it’s a full frame lens so we would Minus from there?I’m actually happy I misunderstood this because I love that focal length you said much more.
@@hamletd3647 The lens is 12-24. Your bmpcc almost doubles it so you're basically getting about 24-48 which is a good range.
Hi mate in Google it's showing calculation like 👇🏻
Focal length x Adapter x Cropfactor
18 x 0.71 x 1.9 = 24.282
35 × 0.71 x 1.9 = 47.215
Your calculation in video 👇🏻
18 x 0.71 = 12.78
35 x 0.71 = 24.85
Bit confused which is the right calcution the Google one Or the calculation you showed in your video 🤔
Simple, I didn't calculate with the crop factor.
I find it only relevant to add crop factor when comparing different cameras :)
My Viltrox EF-M2ii does not fit on my Sigma
Do you have a NIKON sigma or a CANON EF one?
@@JonBear It's a Canon EF but I don't remember you explaining that during the video. Its cool. I figured it out. Its doesn't work for Canon. The EF-M2 should work but not the EF-M2II. I ordered an EOS-M4/3 adapter. That should work. im sending the viltrox back
@@tmdesports3377 That is very strange because I am using the EF-M2II adaptor. It is the one I showcase in the video. If the lens is EF and the adaptor is correct then I don't know what your issue might be. strange.
@@JonBear Your mount on you lens is huge, You Sigma lens small
@@JonBear I make a mistake my Sigma says it a Nikon
why it is so long omg
I got the Viltrox, but never got enougt money for the Sigma lens jajjajaaj
Another great lens is 17-50mm f2.8 from Sigma! usually you can find it even cheaper
@@JonBear Thank`s.
Why all the reviewer forgets that speed booster just let you decrease the amount of light you are loosing then use FF lens on smaller sensor. You will never get F smaller than 1.8 by adding speed booster! You'll get: 1.8 x 2 (MFT crop factor) x 0.75 (SB magnification) = 2.7 aperture ratio equivalent
So I was on an out door shoot yesterday for the first time with my sigma 18-35 leans with viltrox ef-m2 ii speedbooster and It would only go to f11 this normal?
This sounds like a connection or firmware issue. For the pocket 4k I discuss the best firmware in this video after lots of testing czcams.com/video/_GeIyRApwnc/video.html