BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

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ifocusfilms

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BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 15, 2014 3:38 pm

I've been working on my anamorphic lens & adapter for the last few weeks and have finally finished it. The lens was in great condition for its age. The image was soft when we first got it and thought somethings not right. I then opened her up, cleaned, re-greased, realigned the front & rear optics. Now it's sharp as a razor. Here's a few pics of the build, footage coming soon. :)

Hypergonar HiFi2 disassembled
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Old grease about to be cleaned out
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Optics cleaned
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Hypergonar HiFi2 assembled
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Last edited by ifocusfilms on Sat Mar 15, 2014 5:44 pm, edited 1 time in total.
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Re: BMPCC + Hypergonar HiFi2

PostSat Mar 15, 2014 3:44 pm

The build

Starts off on a lathe, turned with a 72mm thread
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Anamorphic adapter ring brought into the CNC and now drill & tapping 6 holes precisely separated
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Last edited by ifocusfilms on Sat Mar 15, 2014 3:45 pm, edited 1 time in total.
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Re: BMPCC + Hypergonar HiFi2

PostSat Mar 15, 2014 3:45 pm

Thread fitting, perfect fit. Now onto the bore

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Last edited by ifocusfilms on Sat Mar 15, 2014 3:48 pm, edited 1 time in total.
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Re: BMPCC + Hypergonar HiFi2

PostSat Mar 15, 2014 3:47 pm

Anamorphic support bar on a CNC. Faced and ready to run the program
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Anamorphic support bar CNC 1st mop complete. Next up will be facing the back and tapping the top.
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Theodore Prentice

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Re: BMPCC + Hypergonar HiFi2

PostSat Mar 15, 2014 4:16 pm

badass!
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 15, 2014 5:45 pm

Thank you ! More to come...
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Kyle Gordon

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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 15, 2014 6:13 pm

This is too cool! Please keep the pictures coming
Kyle Gordon
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 15, 2014 7:23 pm

Thx ! Will do !
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Kholi Hicks

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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 15, 2014 8:39 pm

Sick.

More pictures, and of course some video from the combo.
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James David

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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 15, 2014 9:04 pm

Awesome, been looking to do the same with my Kowa 2x. A glue gun and some metal spokes is all that was needed to get a double focusing mechanism going well but I would like to rehouse a set of them properly for use on a pro film shoot.
May I ask what is your goal for this project?
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 15, 2014 10:27 pm

Good job!

I´ve the same lens,is a heavy one. You could build a new body for the lenses,because most of the weight is on the metal.

I use it just for close ups:
Roberto de la Torre

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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSun Mar 16, 2014 3:00 pm

The main goal was to mount the lens and shoot some awesome 2.35:1 footage. :D I think most 2x anamorphic lenses have some weight to them, but I can't complain the footage is amazing and worth the extra efforts. I've been treating it like the old 35mm adapter days, just half the weight.


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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSun Mar 16, 2014 3:16 pm

I've thought about making a new housing for both elements, but this would require a lot of work. The boring & drill/tap process took longer than expected. If I was to ever do this again, I'd bring it to the CNC. Below is the adapter ring bored to a 72mm and setup with 6 1/4-20" form tapped holes. The adapter/bore also has a machined step to prevent the anamorphic lens crashing into any of the back focus lenses.

7D mounted
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7D mounted
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSun Mar 16, 2014 3:19 pm

I'll have a few test grabs by tonight. Enjoy guys !
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSun Mar 16, 2014 11:36 pm

BMPCC + Hypergonar HiFi2 Anamorphic Lens (sorry another phone pic, I'll shoot better soon).

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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostMon Mar 17, 2014 1:40 am

ifocusfilms wrote:The main goal was to mount the lens and shoot some awesome 2.35:1 footage. :D ]


You never will get 2.35 with anamorphic x2.
From 4:3 you got 2.66:1 and you´ll need this kind of film gate to get 2.39:1:
http://rafcamera.com/media/catalog/prod ... ate_ao.jpg

Or crop!
http://files.tested.com/photos/2013/11/ ... atios3.png

BMC is 16:9 like the C image=3.55:1. Need the D image:
http://www.davidmullenasc.com/apertures3P.jpg

I think only Alexa can shot 4:3 and still need crop a little bit to 2.39:1.

keep in mind,anamorphic 4 perf is 2.39:1 ;)

have fun!
Roberto de la Torre

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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostMon Mar 17, 2014 3:51 pm

Good info. ! Based on what I've read the BMPCC is closer to a 1.78 and believe the HiFi2 I own was from a 16mm projector. I figured this combination would jive nice. Here's how I put it together below, please correct me if I'm wrong. If the BMPCC is shooting at 1.78 and using a 2x squeeze this is how it would look visually ?

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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostMon Mar 17, 2014 5:57 pm

Your Hypergonar looks like a 35mm projector as the mine.

From 16:9 sensor size you´ll get super wide.
1.78x2=3.56
Like this:
http://i.ytimg.com/vi/rRk5kgrfGBs/0.jpg

Use this one with circle as reference to unsqueeze:
http://wibarron65.net/images/trivia_files/tvpat.gif

I did a 4:3 transparent mask on the BM screen to have an idea for when crop in post.

16:9 is an aberration of modern TV :lol: Please BM,back to 4:3 sensor size and let me choice the aspect ratio :lol:
I think a big 4:3 sensor is the best way for filmmakers. We can use Academy,16:9,Techniscope or anamorphic.

Other way is film in vertical with x2 anamorphic....mmmm...I´ve to try it :idea:
Roberto de la Torre

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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostFri Mar 21, 2014 2:12 pm

Here are a few SG's from last nights test

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Faces blurred out on purpose
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 22, 2014 12:54 am

As a new comer to anamorphics have those screen grabs been squeezed correctly?
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 22, 2014 3:51 am

I don't think so, but they look cool nonetheless. I'm interested to see how well this works.
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 22, 2014 4:02 am

Yeah those are not correct. They need to be stretched %200 or squeezed %50 to a 3.56 aspect and then cropped down to 2.39 etc... Looks like these were un-squeezed to 2.39.
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 22, 2014 10:40 am

I agree, I'm just curious because in the earlier HIFI2 hacking video that someone shared in the thread.

They open it up and move the element closer claiming that it is now 1.5x instead of 2x.

Is this really possible and can it be done with other adapters?

On the screen grabs above it looks like resolves 1.3x squeeze being used?
Last edited by James David on Sat Mar 22, 2014 11:08 am, edited 1 time in total.
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 22, 2014 10:59 am

Yep those images haven't been been unsqueezed properly.
A x2 Anamorphic says it all, you either need to multiply the width by 2 or divide the height by 2.
The x2 anamorphics on a 16:9 sensor will give you an aspect ratio of 3.55:1.
I've found that you can get away with 2.93:1 (you get this by multiplying the height by 2.93), which is an early version of Ultra Panovision (Ben Hur).
You simply cannot make the adaptor be something it isn't, just because you want it to.

The only way to make a x2 or x1.5 anamorphic fit into another desired aspect ratio is to use a camera that shoots something other than 16:9 or you need to crop the sides off. Now you can do this inside your NLE, but this will mean that you are zooming into the image & so you'll lose resolution. If you're shooting RAW you could chop off the sides in Photoshop etc..., which would mean you could just unsqueeze the footage.
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSat Mar 22, 2014 6:51 pm

pringleman wrote:I agree, I'm just curious because in the earlier HIFI2 hacking video that someone shared in the thread.

They open it up and move the element closer claiming that it is now 1.5x instead of 2x.

Is this really possible and can it be done with other adapters?



I think so.

Anamorphic lens has "breathing focus",it means that to get close focus the cylindrical block displace each to other with the consequent change of aspect ratio. Hence anamorphic primes just focus to 1m.
This is call "mump" or "fat face effect"
http://www.theasc.com/magazine/sept03/s ... image1.jpg

So,if you want focus to infinite with a x2 lens,you´ll need move the elements to his original place. can´t focus infinite closing the elements to x1.6 has I did in my video. This "trick" is just for close ups.
Roberto de la Torre

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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostSun Mar 23, 2014 7:55 pm

Luv the info. everyone, keep it coming. Please feel free to add or talk about any anamorphic stuff, I'm really diggin this !!!! I'm not sure what happened to the stills, maybe the Google compressor I uploaded them on. The final should have been 1920 x 540, those do look a little stubby. Here's a short test video (no CC). Let me know what you guys think




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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostTue Mar 25, 2014 5:25 pm

So what do you guys think ?
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostTue Mar 25, 2014 7:41 pm

I think that looks pretty legit to me!
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostTue Mar 25, 2014 7:41 pm

It looks fantastic! If I had the money I'd like to try it myself.
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostTue Mar 25, 2014 9:12 pm

Thx guys !!!! It was definitely a lot of work to get everything up and running, but I'm loving the results. The guy that sold us the anamorphic lens has a few more HiFi2, but the need some luv. I think the guy only wanted $150 - $200 each... If interested I'll ask him if he still has them. My +1,+2,+4,+10 CU's just showed up, I'll have more video soon. Don't forget to subscribe and like my video :)
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostWed Apr 02, 2014 2:38 am

Hi guys...I am looking for the anamorphic look as well. I understand the logic behind 16x9...but not sure if I understand the math to determine the image capture size...

What would the metabones speed booster do to the image on a 2X anamorphic adapter?

For example
BMPCC>SB>Sigma 30mm>step up ring+clamp>2X Hypergonar Berthiot 16mm S.T.O.P

Does the Sigma 30mm become a 52.2mm (using 1.74 SB crop factor) lens shooting into the anamorphic adapter? Is that a good size?

Thanks!
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Re: BMPCC + Hypergonar HiFi2 Anamorphic Lens !!!

PostWed Apr 02, 2014 8:02 pm

freezy wrote:Hi guys...I am looking for the anamorphic look as well. I understand the logic behind 16x9...but not sure if I understand the math to determine the image capture size...

What would the metabones speed booster do to the image on a 2X anamorphic adapter?

For example
BMPCC>SB>Sigma 30mm>step up ring+clamp>2X Hypergonar Berthiot 16mm S.T.O.P

Does the Sigma 30mm become a 52.2mm (using 1.74 SB crop factor) lens shooting into the anamorphic adapter? Is that a good size?

Thanks!


In other words...does the magnified sensor from SB reduce black bars? A 2X Anamorphic is too thin for BMPCC.

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