Last birdtrip on the French airport I had to open my photobag...
They asked a few times if there was "flourite" in or on the lens??
It's a 400DO IS -lens
Can someone explain...
Thanks.
vross Member 38 posts Joined Aug 2005 Location: Netherlands More info | Sep 12, 2006 15:53 | #1 Last birdtrip on the French airport I had to open my photobag...
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RonaldS.Jr. Prodigal "Brick" Layer  More info | Sep 12, 2006 15:55 | #2 Why do they care? Mac users swear by their computers. PC users swear at theirs.
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davidfig we over look the simplest things  3,275 posts Likes: 85 Joined May 2005 Location: Fremont, California USA More info | Sep 12, 2006 15:58 | #3 This doesn't sound good at all. Many L Lenses have a flourite element. Me thinks, its were that contrasty/creamy picture comes from. But the question sounds like someone is fishing to snatch a lens from you. 5D | 17-40L | Tammy 28-75 2.8 | 28-135 | 50/1.8 | 85/1.8 | Sony A6000 2-Lens Kit | SEL35 1.8 | EF 50 1.8 on NEX as my 75mm 1.8
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CoolToolGuy Boosting Ruler Sales  4,175 posts Joined Aug 2003 Location: Maryland, USA More info | Ronald S. Jr. wrote: Why do they care? Most of the "great whites" have fluorite elements. Maybe they discovered that if you mix fluorite with some other common component, it can be made into a bomb. . . Rick
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They went with somekind of device with a tissue on the end (soaked in ??) over the lens...
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steved110 Cream of the Crop  5,776 posts Likes: 2 Joined Dec 2005 Location: East Sussex UK More info | vross wrote: They went with somekind of device with a tissue on the end (soaked in ??) over the lens... But after that they let me go  Ron Scary stuff, i hope all this exta secutiry gets a bit more settled into a routine soon, so we know what to expect. and that they train the personel properly. Canon 6D
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BearSummer Senior Member  925 posts Likes: 12 Joined Jul 2003 Location: South East UK More info | Had a look and the 400 f4 DO IS does have fluorite in it Moderation is for people that can't handle excess.
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KatmanDu Senior Member  257 posts Joined Feb 2006 Location: Braselton, GA More info | Sep 12, 2006 18:00 | #9 The tissue was probably a swab for explosive residues... but I'm not familiar with any explosive that uses fluorite. EOS40D, Slik Pro 700DX, 322RC2, Manf. 679
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foty89 Senior Member 588 posts Joined Jul 2006 Location: Born in Scotland, live in Binghamton, NY, wait now Newbury Park, CA, wait, now am in Phoenix, AZ.... More info | KatmanDu wrote: The tissue was probably a swab for explosive residues... but I'm not familiar with any explosive that uses fluorite. That would be in the new Dell DSLR, soon to be released, instead of exploding batteries, it has exploding lenses. Canon Rebel XT & BLACK POTN Strap
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Coco-Puffs Goldmember  1,472 posts Likes: 1 Joined Aug 2005 More info | foty89 wrote: That would be in the new Dell DSLR, soon to be released, instead of exploding batteries, it has exploding lenses. dont you mean the sony alpha? --------------------
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FloridaCamera Member  194 posts Joined Dec 2005 Location: Winter Haven, Florida More info | They are looking for the Fluoritroglycerine L bombs that were smuggled out of Russia after the end of the cold war. They used very slim white or cream colored propane tanks and had a red ring around the top end to indicate a Live round hence the L nomenclature.
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CoolToolGuy Boosting Ruler Sales 4,175 posts Joined Aug 2003 Location: Maryland, USA More info | Well I was kidding when I mentioned the bomb, but I googled "fluorite explosive", and there were some technical papers about the explosive properties of FLUORINE, which is a gas given off by fluorite crystals. Rick
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foty89 Senior Member 588 posts Joined Jul 2006 Location: Born in Scotland, live in Binghamton, NY, wait now Newbury Park, CA, wait, now am in Phoenix, AZ.... More info | CoolToolGuy wrote: Well I was kidding when I mentioned the bomb, but I googled "fluorite explosive", and there were some technical papers about the explosive properties of FLUORINE, which is a gas given off by fluorite crystals. http://www.lateralscience.co.uk/Fluorine/Fluorine.html  I don't think there is much chance of a camera lens giving off enough fluorine to combine with hydrogen and become an explosive device, but according to the above article the fluorine/hydrogen combination is deadly. Okay, first no more lead in the glass, is fluorite next? Have Fun, Well, if you want to go to that extreme, you can blow the hell out of something with simple flour if you can disperse it into a fine enough dust. Canon Rebel XT & BLACK POTN Strap
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CoolToolGuy Boosting Ruler Sales 4,175 posts Joined Aug 2003 Location: Maryland, USA More info | foty89 wrote: Well, if you want to go to that extreme, you can blow the hell out of something with simple flour if you can disperse it into a fine enough dust. I don't, but they just took away my ability to carry on toothpaste. . . Rick
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