Zihyun Weebill Lab Balancing Question

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taichiplusart Junior Member • Posts: 26
Zihyun Weebill Lab Balancing Question

Hi Everyone!

I recently asked a question here about IBIS vs. Gimbal. Well, I bought a gimbal and have a hopefully simple question about setting it up. I purchased a Weebill Lab and I have been watching youtube videos for balancing. After balancing the first axis, I'm hitting a roadblock on balancing the second axis. Basically, the camera is still leaning to the left, and needs to be moved right to make it balanced. The problem is there is no more room to slide the plate to the right (see photo.) It's a Fuji X-H1, a decent size but not exceptionally large camera. Please let me know if I'm missing something here!

Here is a photo of what I'm talking about. It seems the camera needs to slide right to be balanced, but there is no more room for it:

Thank you so much!

Fujifilm X-H1
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uncle dunc Senior Member • Posts: 1,193
Re: Zihyun Weebill Lab Balancing Question
1

Assuming you have a battery in the camera?

Maybe you could use a twist tie to attach a fishing weight or a nut (from a nut and bolt) to the strap lug on the right side of the camera. You might have to use painter's tape to keep it from rattling when the camera moves.

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OzRay
OzRay Forum Pro • Posts: 19,428
Re: Zihyun Weebill Lab Balancing Question
1

This is a common problem with all gimbals. First question, can you move the roll arm further to the right? If not, you may have to resort to adding a counterweight to the roll arm (you can buy these from various manufacturers like SmallRig). Alternatively, you can add weight to the front of the lens so that the camera can come backwards more to allow the plate to move closer to the roll arm (if there is allowable movement).

It's a tad difficult to see exactly what's going on, so I can only guess. I use a Crane 3s and and can balance my 4.1 kg BMPCC4K with monitor, microphone and whatnot with ease.

I'm also not sure that you are balancing the camera correctly. First you have to align the camera so that the lens points upwards and get it to balance, then you move it to the horizontal position and get it to balance, then you do the roll arm balance. Finally, by holding the gimbal parallel to the ground, you balance the yaw arm so that the camera sits horizontal without wanting to move one way or the other.

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Off The Mark Veteran Member • Posts: 5,129
Re: Zihyun Weebill Lab Balancing Question
1

Something seems a bit strange here...

I have a weebill S which is something of a similar concept to the Weebill lab.

I can balance my (very heavy) panasonic s1 with Sigma MC 21 and canon 16-35 f/4. I am sure it literally weighs three times as much as your Fuji X-H1 and lens combo.

Yeah, I have to slide the camera toward the right a bit , but it still seems to work fine without having to resort to adding weights.

I hate to ask a stupid question, bur are you sure that the camera  wants to rotate counter clockwise (when you are behind the camera) with your setup?

What lens are you using?

What's the total weight of your camera and lens setup?

Are you using an HDMI cable that might be "pulling" on the camera body?

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OP taichiplusart Junior Member • Posts: 26
Re: Zihyun Weebill Lab Balancing Question

uncle dunc wrote:

Assuming you have a battery in the camera?

Maybe you could use a twist tie to attach a fishing weight or a nut (from a nut and bolt) to the strap lug on the right side of the camera. You might have to use painter's tape to keep it from rattling when the camera moves.

Thank you all for your responses. Yes, battery is in. This is a good idea if I cannot solve it and need to go this route. Thank you!

OP taichiplusart Junior Member • Posts: 26
Re: Zihyun Weebill Lab Balancing Question

OzRay wrote:

This is a common problem with all gimbals. First question, can you move the roll arm further to the right? If not, you may have to resort to adding a counterweight to the roll arm (you can buy these from various manufacturers like SmallRig). Alternatively, you can add weight to the front of the lens so that the camera can come backwards more to allow the plate to move closer to the roll arm (if there is allowable movement).

It's a tad difficult to see exactly what's going on, so I can only guess. I use a Crane 3s and and can balance my 4.1 kg BMPCC4K with monitor, microphone and whatnot with ease.

I'm also not sure that you are balancing the camera correctly. First you have to align the camera so that the lens points upwards and get it to balance, then you move it to the horizontal position and get it to balance, then you do the roll arm balance. Finally, by holding the gimbal parallel to the ground, you balance the yaw arm so that the camera sits horizontal without wanting to move one way or the other.

Thank you, the way I was balancing the camera matches what you describe. I was able to balance my second camera fine (D750), so it seems the X-H1 is quite "left-heavy" and I may need to counter-balance it.

As a side note, how is carrying that rig? Even my rig is not anywhere near that weight and I felt the fatigue rather quickly.

OP taichiplusart Junior Member • Posts: 26
Re: Zihyun Weebill Lab Balancing Question

Off The Mark wrote:

Something seems a bit strange here...

I have a weebill S which is something of a similar concept to the Weebill lab.

I can balance my (very heavy) panasonic s1 with Sigma MC 21 and canon 16-35 f/4. I am sure it literally weighs three times as much as your Fuji X-H1 and lens combo.

Yeah, I have to slide the camera toward the right a bit , but it still seems to work fine without having to resort to adding weights.

I hate to ask a stupid question, bur are you sure that the camera wants to rotate counter clockwise (when you are behind the camera) with your setup?

What lens are you using?

What's the total weight of your camera and lens setup?

Are you using an HDMI cable that might be "pulling" on the camera body?

Thank you for your response. The camera seems left-heavy when I get to the 2nd axis, so the only way to balance seems to be that it needs to go further right.

My setup is the following:

Fuji X-H1 + Mitakon Speedbooster + Zeiss Distagon 85mm 1.4...looks like less than 3.5lbs, but maybe very left-heavy due to the adapter+lens combo and fuji's relatively small battery on the right.

No cable currently as I don't yet have an external screen.

I was able to balance my D750 so I may use that for now as I learn to use the tool. I appreciate any other feedback if you have any idea why it's happening with the X-H1.

Thanks again!

OzRay
OzRay Forum Pro • Posts: 19,428
Re: Zihyun Weebill Lab Balancing Question
1

taichiplusart wrote:

Thank you, the way I was balancing the camera matches what you describe. I was able to balance my second camera fine (D750), so it seems the X-H1 is quite "left-heavy" and I may need to counter-balance it.

If you intend to use a counter-balance, make certain that it's something that you can mount very solidly, as if it has any looseness, it could cause unwanted vibrations. That's why I suggested something like the SmallRig counter-weight:

https://cdn11.bigcommerce.com/s-1zvaiaywbz/images/stencil/960w/products/2270/15257/BSS2465-V1-1__98120.1591177461.jpg?c=2

As a side note, how is carrying that rig? Even my rig is not anywhere near that weight and I felt the fatigue rather quickly.

I don't have to think about any sort of gym membership, I now have my very own 'gymbal'. The more I use it, the easier it gets, about half and hour or so now and I still feel OK.

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