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The Ultimate DSLR Shoulder Rig with deadly simple Follow-Focus

by webghost, published

The Ultimate DSLR Shoulder Rig with deadly simple Follow-Focus by webghost Jul 17, 2011

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Summary

This is a complete shoulder rig for DSLR Cams printed on a Makerbot. After spending much time in development and printing out several tests, time has come to share this great thing to you :)

Special Features

Mount-Plate:
The mounting system is compatible with my Velbon DV 7000 Tripod. So i can switch fast beween the tripod and my new shoulder rig.

Optical Viewfinder:
For sunny days!

Follow Focus:
I tried out geared ones and also tried to develop some complicate solutions (ff by turning the grip e.g.) but the best way to Follow Focus was a ring with a simple cord! So you can leave your hands on the grips the whole time.

All plastic parts were printed on a Makerbot Cupcake CNC Ultimate, ABS Material with Heated Build Platform.

Instructions

  1. Print the parts //
    I did with ABS at 220° and Heated Build Platform at 110° with good results.

  2. Cut the tubes //
    I used aluminium tubes 16mm and 20mm diameter. I got these tubes at the local store:

1x 500mm dia 16mm (inner dia 14mm)
1x 230mm dia 16mm (inner dia 14mm)
1x 320mm dia 16mm (inner dia 14mm)
2x 250mm dia 20mm (inner dia 18mm)

  1. Put them together //
    Use M5 screws and nuts. For the lensholder you will need one M8 screw with nut.

When you put the horizontal tube (320mm) in the t-connector drill small holes into the alu tube through the holes of the t-connector. Fix the tube with metal screws. Figure out the best position for you.

Screw the grip clamps onto the grip tubes. In my case they were so tight that i didnt have to fix them. But you can fix them with metal screws or glue of course. Screw the grip clamps onto the horizontal rig tube (320mm)

Next part might be a little tricky. I attached a small lens from a childrens magnifier to the viewfinder. I found an old plastic lens in my toolbox that works for me. I put it in front of my eye and i had a sharp view on the display with a distance of about 6 cm.

Finally you can attach the hand grips!

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Hi there! I also have a Velbon DV 7000 pan head. Best thing I have ever bought! Unfortunately I don't have very accurate measurements of it so I can re-produce it for other applications. Could you somehow tell me the measurements that you used so I can adapt it for things like a dolly, etc.?

This would be great if it were a more standard size. I can't even find tubing to fit this project here in the US. Not even online. Too bad it's worthless to me.

d1m0 - in reply to

Did you ever find a project with more standard tubing for the US?

I like your focus follower, nice way to keep the hands on the grips. Might just have to give this one a whirl.

Very Nice.

Interesting idea for the grip_clamps.

Why 16mm and 20mm when 15mm is the standard here?

It would be interesting to see the failed designs too, to learn from it. :)

the reason for 16mm are the tubes in my local store. they only had 16mm.

What lens did you use for your display-viewfinder?

"I found an old plastic lens in my toolbox that works for me. I put it in front of my eye and i had a sharp view on the display with a distance of about 6 cm."

every cheap plastic magnifier lens can do this job. :)

the inner diameter of the viewfinder is 28mm

the thing that is missing is that movie where you demonstrate how handy it is?

I appreciate you probably have a lot of work in this, but I'd think this is awfully complicated for making porn flicks ;) :-[

its very handy and lightweight. i used longer griptubes because with short ones i got backaches. the weight of the rig is only about 600g.

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