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FlyingPete
10th of November 2004 (Wed), 15:32
No I am not talking about the silver 300d/Drebel, I am wheeling and dealing on a 20D at the moment, and was in a local store (not the one with the 18-55USM, haven't visited them yet), he had recently sold a 300mm F2.8 L lens, the guy had brough it back in with him to get some other gear, he had painted it black!

Apparently it was to conspicuous in white!

NGrinerPhoto
10th of November 2004 (Wed), 16:48
they are white for a reason... and a good one at that

commando
10th of November 2004 (Wed), 16:50
What's the reason? I don't like them in white either, makes on a bigger target for a mugger.

rodbunn
10th of November 2004 (Wed), 17:07
They are white for heat dissapation in the sun. Black
gets hotter and could affect the lense if out in the sun
for a long time. This is especially a factor on long lenses,
that's why you see the sports photogs with the longer focal
length with white Canon lenses (and chimping WAY TOO MUCH ;-0


Who knows......

Rod

Persian-Rice
10th of November 2004 (Wed), 17:30
Heat also causes more noise in the digital world. Thats why if you shoot on a really cold day, you might get noticeably less noise.

Not sure if Canon had this in mind since white lenses have been around for a long time. But anyway, what idiot would paint a 300mm 2.8 L lens?

FlyingPete
10th of November 2004 (Wed), 20:10
This seems like a better options than black to me:
http://www.birdsasart.com/baaimage/jrf.jpg

Paul_B
10th of November 2004 (Wed), 20:15
he had painted it black!

While I'm a newbie to this, I've done my homework. The white design is for heat. Painting it black most likely looks nice, warranty is most definitely gone.

Sorry I didn't bookmark where I read it, but I did look into why all the Luxury "Canon" lenes are white. I did find more than one or two sites saying this.

Andy_T
11th of November 2004 (Thu), 02:06
I'd suspect Canon does it for the following reasons ...

... heat dissipation (30 %)
... marketing (70 %) :twisted:

But I might be wrong on that one...

Best regards,
Andy

ron chappel
11th of November 2004 (Thu), 02:54
What's the reason? I don't like them in white either, makes on a bigger target for a mugger.

Wouldn't you just WANT a mugger to have a go while you are carrying that!?
One good swing and you'd plaster him to the sidewalk :lol: :lol: :lol:

Bring it on dudes!!

dhbailey
11th of November 2004 (Thu), 03:10
From what I understand (which admittedly might not be much) it is as much marketing as it is for heat.

Nikon's large lenses are black and I haven't heard/read any major concerns with heat in regards to them, so I'm not sure heat is such an issue.

But a friend remarked about how you can always tell Canon lenses at any event, just look at the white ones.

I bet marketing is the real reason but to justify it they brought up the heat issue.