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  • Hey all, just changed over the backend after 15 years I figured time to give it a bit of an update, its probably gonna be a bit weird for most of you and i am sure there is a few bugs to work out but it should kinda work the same as before... hopefully :)

OConnor Follow Focus Glow Disks

  • Thread starter Thread starter Eric J. Johnston
  • Start date Start date
Eric J. Johnston said:
The longer they are “charged” under UV light the more intense the glow reaction. We don’t want to publish the spec quite yet until we finish the testing but it’s a decent amount of time and can be refreshed quickly.
Click to expand...

Does it glow longer depending on if it's long or short wave UV?
 
Chuck,

I didn’t even know there was difference...the product engineers at OConnor probably do. We were the first to deliver a working prototype but that doesn’t mean this is the final design…and it never should.

I do know I always wanted a FF marking disk that glowed in the dark. This is what I meant by “due diligence” at the beginning of this thread. A quick Google search tells me there may be certain advantages from one to another additive in this sort of injection molding process. If you have ideas to optimize the glow effect we would love to hear them.

I’ll be back in the USA this Friday and can get my hands on the Material Data Sheet along with doing some more meaningful testing on the proto disks and speak with the team that made them.

I'm also sending one to Ketch Rossi for his Epic M8 and OConnor CFF-1 setup.

I never thought something so simple could be so complicated!

No wonder all the other marking disks to date have been just a white surface to write on.
 
Eric,

You could make them from Tritium....like the sights available for Glock pistols.
 
Thanks Jon but I can already tell you we can’t use anything radioactive…especially in the quantity needed for this amount of material. The Google search on this one just scares me!

Although I bet it would glow for a good long time…maybe too long.

The current design has absolutely no risk of adverse health effects and we want to keep it that way.

I imagine Tritium may also have export limitations.
 
+1 for tritium. No capital on this one by the way since it's the radioisotope's name and not a trademark. But I can definitely understand all the potential complications with radioactive byproducts. One's gotta love radiophosphorescence though. You know, let's just dope it with some radioactive schtuff.

That would make for pretty cool slates to try to get through customs though...

Cool product by the way. Looking forward to see it in action. Did anyone buy CFF1s in Montréal? I'd love to see it upclose.
 
Looks great. Are there any plans to make bevelled marking disks? Glow or white?
 
Definitely interested. Any chance I can be put on an email list and notified when the first batch is ready?
 
YEARS ago I looked into creating a glow-in-the dark dumb slate, with FF discs coming into play as well. It seemed like the costs for legitimate and long-lasting glowing source were nearly impossible to find at a marketable end cost. I even looked into all sorts of industrial safety (think OSHA) and evacuation glow marking products.

Would love to see a good product come to market.
 
Nice, I have an oconnor FF.. but how long do they glow for? (edit: you'll already got asked that)
 
KETCH ROSSI said:
Loving our new O'Connor CFF-1, bring them on Eric, and if you have one to send out to test, will gladly put it on our next EPIC M8 shoot, at night ;)

KetchCFF-1.jpg
Click to expand...

OK done Ketch,

Let’s see M8 with the CFF-1 and an OConnor Glow Disk.

Anxiously awaiting….
 
Thanks Chuck,

Interesting idea but we want to keep this as simple as possible.

Here is the spec on the glow additive we are using, Strontium Aluminate.
http://en.wikipedia.org/wiki/Strontium_aluminate

It’s hard to judge “how long will it glow for?” because in our testing we have found them to remain luminous in low light conditions due to being constantly recharged by the scene lighting.
 
Eric J. Johnston said:
The longer they are “charged” under UV light the more intense the glow reaction. We don’t want to publish the spec quite yet until we finish the testing but it’s a decent amount of time and can be refreshed quickly.
Click to expand...

Apparently, you can use a camera flash to charge glow-in-the-dark fishing lures. I sold tons of basic flashes to fishermen when I worked in a camera store. If it works with this disc, it would be a good tip as just about every shoot should have at least one camera flash handy.
 
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