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Old August 27th, 2013, 12:54 PM   #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, 05:01 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, 05:28 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

Sony FS700 for wildlife filmmaking : a subjective review
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Old August 27th, 2013, 06:36 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, 04:37 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, 07:40 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, 01:47 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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