u/Jazzlike-Reference48

Hi everyone,
I recently bought a Fujinon ZA17x7.6 BERD-S6 broadcast lens and an EPD-21A-A02 Focus Demand. When testing the setup without a B4 camera (with V-Mount battery), the focus servo finds the endpoints incorrectly and makes grinding noises as if it’s trying to go past the mechanical limits.

After contacting Fujinon directly, they confirmed:

* The EPD-21A-A02 is fully compatible with the ZA17x7.6

* Operation without a B4 camera is possible with correct 12V power supply on Pin 6

* They suspect the S6 servo unit may have been removed and not correctly reattached by a previous owner — some screws appear to have been tampered with

Now my questions are:
Has anyone reattached a Fujinon S6 servo unit themselves? The unit has 3 gear wheels that interface with the lens. How do you correctly align and reattach it, and is there any way to recalibrate the servo endpoints without a B4 camera or Fujinon service software?

Any help would be greatly appreciated — trying to avoid sending it to Fujinon service if possible.

Thanks!

Hey everyone,

I’m trying to use a portable air pump to inflate my vinten pro ped, but I’m struggling with the valve compatibility and clearance.

The Confusion: The pedestal has the massive charging valve housing with the large outer thread (approx. 13mm) for the schrader cap. Deep inside that housing sits the actual Schrader valve.

Because the screw-on head of the Xiaomi pump is quite bulky and thick, it hits the outer metal housing of the pedestal. It cannot reach deep enough into the recess to grab the inner valve thread.

Since the inner valve is recessed, I am confused about what exact part to buy. I’ve seen the vinten manual pump and its pump head has a locking lever mechanism, so maybe there is something like this that i could adapt to.?

If anyone has a link or name for the extension that fits these Vinten pedestals perfectly, I would highly appreciate it!

xiaomi pump valve

proped valve and cap

proped valve diameter