Canon Zoom Lenses – Dare to Dream

[Richard CR]

Now and then, I read a lens patent and realize that it’s never going to be released in the real world, or it’s not even for our cameras – but I find the patent application so incredibly interesting that I just have to babble about it. This is one of them. For a long time, […]

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[Stig Nygaard]

He, nice
And I'm sure we will soon see some sites/youtubers bring rumor of Canon making crazy RF-S superzooms ;-)

 

[Bob Howland]

What are the effects on lens elements from an NFL game that ends at a temperature 10-15 degrees C warmer than when it started?

 

[neffels]

Just saying a 25-1000 would be a pretty great replacement for the 50-1000. If I win the lottery I'll get canon to make me one and mount it on a vehicle

 

[Exploreshootshare]

Seems like the R&D department at Canon was having some fun and a bit of time to do some day dreaming

 

[AlanF]

What are the effects on lens elements from an NFL game that ends at a temperature 10-15 degrees C warmer than when it started?

That puts it into perspective. A 5mm thick lens would expand its centre by about 600nm, 20x Canon's tolerance, and the edges proportionately less for 15 oC.

 

[Richard CR]

What are the effects on lens elements from an NFL game that ends at a temperature 10-15 degrees C warmer than when it started?

I'm honestly not sure. There doesn't seem to be any cooling, etc embedded in the camera lenses, and they seem to be mostly painted black.

 

[Maximilian]

Those front optical elements are a thing of beauty. And Price. And Weight. …Expensive? You bet.

I love your way of writing @Richard CR
Thanks for sharing.