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Canon XF Series HD Camcorders
Canon XF305, XF205 and XF105 (with SDI), Canon XF300, XF200 and XF100 (without SDI).


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Old January 18th, 2012, 10:06 AM   #16
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Re: XF-100 & Vinton Vision Blue Tripod

Thanks Peter.

Question. Is it just a matter of raising the camera higher to make this work, or is it a combination of height and weight?

So if I can raise a small camera up say four inch (just a guess here) would that work? Or does the "spacer" between camera and head need to be weighted to bring everything up to minimum specs.

Thanks.

Jonathan
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Old January 18th, 2012, 05:20 PM   #17
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Re: XF-100 & Vinton Vision Blue Tripod

Er, depends, basically.

On just how much too light the camera is and how low the COG, which is one of those "how long is a piece of string" questions.

Given that it is almost impossible to quantify unless you have a rig to both lift the camera height AND add weight untill it will CB, in which case you don't have a problem, as you have a rig to lift.................

You may now see why designing a "one size fits all" solution isn't quite the walkover you might think at first sight.

Then, of course, there are the trade off's to consider.

Assuming the riser weight remained zero (if you can) you could go on raising a particularly light camera 2 feet off the head untill it CB'd, though keeping such a rig stable under any conditions would be a challenge.

OR

You could leave the camera on the head slide plate and somehow bolt 6 pounds of lead to it, which would have exactly the same effect, but in some respects is even more dangerous than the first option.

So, a combination of the two approaches seems like the way to go - a bit of height gain, a bit of weight gain - it isn't too high and it isn't too heavy.

I set myself the challenge of getting my Canon HV 20 dinky HD cam to CB with my VB, which really was a challenge, as it weighs 1lb 51/2 oz (610gms approx) and has a COG somewhere around the height of a gnats kneecap.

Buying a Manfrotto 577 adapter, which gives a camera lift of 1" (25mm) and a weight increase of 10oz (275gms) told me straight away it wasn't going to be quite that simple.

Scrounging an offcut of 2" X 2" (50mm X 50mm) rhs (square section) steel tubing from a local engineering shop, I drilled the top flat face for 4 X 3/16" screws to hold the 577 and the bottom for 3 X 1/4" X 20 screws.

I now had a 3" (75mm) rise and a weight increase of 1lb 6oz (620gms).

Result? Nada, nope, nowhere close.

What to do - build even higher? Add more weight?

I plumped for more weight, it was easier.

Capped off one end of the tube, filled it with lead shot then capped off the other.

Adapter now weighs 3lbs 13oz (1.75kg) and Bingo, we're in business.

Is anyone but me ever going to want to CB a HV20 or anything similar on a VB?

Don't know, but I know it can be done.

Attached are the adapter without the end caps.


CS
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XF-100 & Vinton Vision Blue Tripod-dsc_4350.jpg   XF-100 & Vinton Vision Blue Tripod-dsc_4351.jpg  

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Old January 18th, 2012, 06:03 PM   #18
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Re: XF-100 & Vinton Vision Blue Tripod

Chris,

Yeah, kind of like wanting to own a Ferrari and want use it to tow a travel trailer.

Thanks for the reply.

Jonathan
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Old January 18th, 2012, 06:51 PM   #19
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Re: XF-100 & Vinton Vision Blue Tripod

Chris
Thanks for the input. My XF-100 weighs close to 3 lbs. with the battery.Do you think your other solution using 1/2 or 3/4 inch plate would work because I have access to a small metal shop.
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Old January 18th, 2012, 07:11 PM   #20
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Re: XF-100 & Vinton Vision Blue Tripod

If you used a slab of 3/4" steel and a 577, you've got a camera lift of 1 3/4" and a weight gain of, er, 10oz plus say, umm, maybe a pound.

So, all up you've got 3 + 1lb 10 oz = 4lb 10oz plus 1 3/4" lift.

Think you'd be pretty bloody close.

Drill and tap the top for 4 X 3/16" CS machine screws (Hint: needs to be very precise placing, you'll need to ream the countersunk holes in the 577 with a 3/16" drill bit to stop them threading and the given recommended drill of 7/64" seems overly small for the job) and the underside for as many 1/4" X 20 as you can cram on (Hint: don't forget the huge heads on those screws when laying out & the odd untapped hole for VHS pins, tap drill 13/64 is spot on).

Should work with any slide plate on the planet, and shed loads of fore/ aft adjustment on the VB plate.

Gotta be worth a shot.


CS

Last edited by Chris Soucy; January 18th, 2012 at 07:54 PM.
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