RS-1 or RS-2 Camera Security
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Thread: RS-1 or RS-2 Camera Security

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  1. RS-1 or RS-2 Camera Security

    #1
    Users Country Flag
    Join Date: Aug 2008
    Location: Massachusetts
    Posts: 38

    Nick,

    I have a concern and suggestion regarding the RS-1 camera/lens mount. If the upper rotator knob is not tightened properly or backs off, the camera and lens will slip out, fall off the rotator head and go BANG onto the ground. (I have not had this happen.)

    For most of the month of February I had the opportunity to use my Nikon D800 / Nikkor 16mm f2.8 D / Nodal Ninja RS-2 RD5 / Gitzo GT2941LVL tripod assembly in Australia and New Zealand. The robustness of the RD5 rotator is superb. This gear is light for a DSLR panoramic rig, but still heavy for hiking, plus quite top-heavy for carriage over the shoulder.

    Field conditions for panoramas suggest the whole assembly be kept together, in my case in the back of a vehicle. Since much of my use was on the trail, I brought along an Op/Tech generic tripod strap. Given my concern, I improvised a safety mechanism using nylon strap connectors on the camera such that, if the rotator knob backed off, the camera and lens could depart the rotator but would still be loosely attached... known in the trade as a desert island fix.

    On my return home I drilled and tapped a 4-40 hole through the fixed part of the clamp as well as the sliding rail attached to the lens, opposite the side of the factory knob. A 3/4 inch long 4-40 thumbscrew provides a safety backup in case the main clamp knob is not properly torqued. I do not suggest this as the manufacturer's fix as it is inelegant.

    But I suggest security for a few thousand dollars worth of camera and lens should not be subject to a single-point failure. In a possibly related matter, there is a machined recess with a stud insert opposite the knob. What is its purpose? It could potentially act as a stop to losing the camera and lens.

    Best regards,
    John
  2. #2
    Users Country Flag
    Join Date: Apr 2008
    Location: Hong Kong
    Posts: 2,477

    The QRC-40B has sockets for installing stop screw. Is that supported for your lens ring settings?

    Nick



    Fanotec
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  3. #3
    Users Country Flag
    Join Date: Aug 2008
    Location: Massachusetts
    Posts: 38

    Nick,

    I will investigate your suggestion. I see female threads on the QRC-40B which would be appropriate. My lens ring is for the Nikon Nikkor 16mm f2.8 D full frame fisheye lens. I see no provision for stop screws. Note that I have never seen any instructions for use of the RS-1 or RS-2 on the Nodal Ninja website....not now, or when I purchased.

    John
  4. #4
    Users Country Flag
    Join Date: Aug 2008
    Location: Massachusetts
    Posts: 38

    Nick,

    What are the specs for the female threads in the QRC-40B...metric or Imperial? It looks like short Allen heads will work. Again, it would appear simple instructions and proper kits from Arizona would be very helpful.

    John
  5. #5
    Users Country Flag
    Join Date: Aug 2008
    Location: Massachusetts
    Posts: 38

    Nick,

    Thank you, I understand the design now and will install a stop screw.

    John

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