Metabones + Pocket 4K

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ronjon1

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Re: Metabones + Pocket 4K

PostMon Dec 28, 2020 10:26 pm

HEY! Nice to meet you all, and I am asking for some help.

I want to use the Black Magic with Canon Lenses, this is what I have been considering... could you help me know what focal lengths I can expect, and if there are cheaper or better options for me to consider? I am a photographer and know Photography fairly well. I do NOT know video! Any help is greatly appreciated!!

Blackmagic Design Pocket Cinema Camera 4K -- $1295
Metabones T Speed Booster Ultra 0.71x Adapter for Canon Full-Frame EF-Mount -- $650
Canon 70-200mm L (not exactly sure which yet, open to other ideas)
Benro 75mm Hi-Hat -- $204.85
Benro 75mm Half Ball Adapter -- $51.95
Manfrotto 504X Fluid Video Head with Flat Base -- $389.88

This will be to sit on a counter in the back of the room and video a speaker/presenter from the front stage about 65 feet away. We have audio being recorded separately so it is not an issue.

What am I missing, what would work better? We've been using a Canon DSLR but want to get away from the 30 minute max record time without a slice.
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Robert Niessner

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Re: Metabones + Pocket 4K

PostWed Jan 06, 2021 3:26 pm

ronjon1 wrote:This will be to sit on a counter in the back of the room and video a speaker/presenter from the front stage about 65 feet away. We have audio being recorded separately so it is not an issue.


I am not sure why you would want to go with a Speedbooster Canon lens combination in this scenario?
Is this a low light situation?

And 65 feet is about 20 meters, so quite a distance.

The 0.71x Adapter will not make the PCC4k full frame but S35 (APS-C) equivalent.
The EF lenses will act the same as on a camera with APS-C sensor.

A 70 mm focal length on the Canon 5D MK III/IV would be matched on the native PCC4k by 35 mm.
A 200 mm focal length on the Canon 5D MK III/IV would be matched on the native PCC4k by 99 mm.

So you might consider buying the native MFT lens Olympus Pro 12-100 mm f/4.0 for the PCC4k. It is an excellent and super sharp lens.
Saying "Thx for help!" is not a crime.
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Robert Niessner
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Iain Bason

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Re: Metabones + Pocket 4K

PostWed Jan 06, 2021 8:02 pm

ronjon1 wrote:
Manfrotto 504X Fluid Video Head with Flat Base -- $389.88

This will be to sit on a counter in the back of the room and video a speaker/presenter from the front stage about 65 feet away.


You might find it worthwhile to invest in a better fluid head (unless you're not going to be moving the camera at all, in which case you don't really need a fluid head).
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ronjon1

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Re: Metabones + Pocket 4K

PostFri Jan 15, 2021 8:12 pm

Thank you for your replies, both are helpful.

We won’t be moving the camera during the filming, so you are right... no need for a ball head. I should be able to save a little money and just get something cheaper.

Also, staying with the native format makes sense.... I tested the shot I need with a DSLR and it was 160mm zoom that was perfect. Would the 12-100 on the Olympus/black magic combination give me the equivalent zoom at a canon dslr with a 160mm lens?

I really appreciate your help.
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ronjon1

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Re: Metabones + Pocket 4K

PostFri Jan 15, 2021 8:16 pm

Also, do you think the Olympus M.Zuiko Digital ED 40-150 f/2.8 PRO lens would be better than the 11-99?

Thank you!
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ronjon1

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Re: Metabones + Pocket 4K

PostFri Jan 15, 2021 8:37 pm

Also, do you think the Olympus M.Zuiko Digital ED 40-150 f/2.8 PRO lens would be better than the 11-99?

Thank you!
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Iain Bason

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Re: Metabones + Pocket 4K

PostSat Jan 16, 2021 4:52 am

I haven't used either of those lenses, but at that distance 40-150 seems like a reasonable range of focal lengths, and the extra stop of light could be useful.
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jerrygladh

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Re: Metabones + Pocket 4K

PostSat Jan 16, 2021 8:58 am

I use the .64 cine version with one P4K, always mounted on Ronin-S
Some Smallrig part to lock it to the camera and the cinelock mount makes it rock solid.
With the Canon 16-35 L f4 IS i get good camera touchscreen focus + focus from the Ronin-S
focus wheel without the focus motor attached.

Sometimes use it with a set of Russian vintage glass with some more mount play
so the cine lock is perfect for them.

Jerry
DR Studio | Mac Pro 7.1 16c | 192 GB Ram | 2x RX 6900 xt | MBP M1
BM G2 | G1 | 3xP6kPro | Canon C300 M3, R5c, XF605
Asus PA32UCG, Eizo CG 318, 319 | Atomos Sumo 19SE | LG C9
Atem Mini Extreme| Ultrastudio Mini 4k | Mini Panel
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rick.lang

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Metabones + Pocket 4K

PostMon Jan 18, 2021 12:32 am

ronjon1 wrote:.... I tested the shot I need with a DSLR and it was 160mm zoom that was perfect. Would the 12-100 on the Olympus/black magic combination give me the equivalent zoom at a canon dslr with a 160mm lens?
...


If the Canon DSLR was ‘full frame’, the equivalent focal length for a lens on the BMPCC4K shooting 4K would be 84mm; if the BMPCC4K was shooting UHD, the equivalent lens focal length is 79mm.

So the 12-100mm zoom would work whereas the 12-60mm will not.

However if the Canon DSLR was an APS-C sensor with an EF-S lens, the 160mm lens would be equivalent to a more than 250mm on a full frame camera and the BMPCC4K would need to shoot using the 2.6K window. Then a focal length of about 89mm would give you the same field of view as the 160mm focal length on an APS-C sensor.

APS-C crop 1.6x
BMPCC4K 4K crop 1.9x
BMPCC4K UHD crop 2.025x
BMPCC4K 2.6K crop 2.892x
Rick Lang
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