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Old August 27th, 2013, 11:54 AM   #1
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Bridge plates, rails and mounting ultra-telephotos

Hi List,

Looking for some ideas please. I need to come up with a robust mount solution to allow me to mount ultra-telephotos (800mm etc) on rails primarily with EOS bodies, but ultimately with any cinema camera. The primary reason being additional stability (shooting 4k) + sliding adjustment for tripod balance. With bare lens / EOS I can normally get balance using the lens foot, but adding mattebox, EVF and alternative power soultions is going to change this.

I'm expecting to end up using an Arri-type base plate or similar, but how to (affordably) affix rails to this, with plenty of adjustment back and forwards?

Thoughts appreciated.

Nick.
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Old August 27th, 2013, 04:01 PM   #2
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Re: Bridge plates, rails and mounting ultra-telephotos

I mount an extended Arri dovetail along with bridge plate to my OConnor 1030D head which allows balancing of the camera and lens. I can then use 15mm or 19mm rails as needed.
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Old August 27th, 2013, 04:28 PM   #3
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Re: Bridge plates, rails and mounting ultra-telephotos

Thanks David,

Yes, I think the Arri or variations thereof is the answer (and I have a 1030D), the question is one or multiple bridge plates and then the question of height adjustments between them?

It looks like Alan has had similar issues here with his FS700

http://www.dvinfo.net/forum/under-wa...ve-review.html
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Old August 27th, 2013, 05:36 PM   #4
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Re: Bridge plates, rails and mounting ultra-telephotos

I have a few different risers depending on he camera I use.

I'm trying to remember, but I think it was David Winters that had a coupe of aluminum dovetails machined with camera riser built in. I'll try to dig up a link. http://dpwinters.com/products/
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Old August 28th, 2013, 03:37 PM   #5
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Re: Bridge plates, rails and mounting ultra-telephotos

Thank you David, some very helpful information on David Winters' site - I'll make contact and perhaps look into having something machined here, it looks less complex than I feared.

Best,

Nick
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Old August 29th, 2013, 06:40 AM   #6
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Re: Bridge plates, rails and mounting ultra-telephotos

Nick, let me know what you come up with. I'm always looking for a better way.

Dave
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Old August 30th, 2013, 12:47 AM   #7
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Re: Bridge plates, rails and mounting ultra-telephotos

I use Arri style dovetails from Wooden Camera
2060/2575/120EX Dovetail (18) - ARRI Style Dovetail

Either use a dovetail clamp on the lens feet and mount it with the camera hanging on the back
Dovetail Clamp - Mini Bridgeplate

or use rails with a bridge plate.
Bridgeplate (19mm)

There are many options, you need to search to suit your own preferences.

You can also use this from Really right stuff. This is a photography styled lens support:
Kennan Ward Super-Tele Package - KennanWardPkg - Kit Configuration Page
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