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HD Lens


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#1 Artyom Zakharenko

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Posted 17 March 2012 - 01:14 PM

I often hear news cameramen talk about HD lenses... whats that, a lens that scans 1080 lines? Optics is just optics to me, or did i miss something?
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#2 Brian Drysdale

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Posted 18 March 2012 - 11:35 AM

Here's what Canon have to say on the subject:

http://usa.canon.com...05TVB_Canon.pdf

I guess you could say some optics are better than other optics, although perhaps you mightn't notice the difference until you screen them side by side. Certainly, some DPs used HD glass on their Digi Betacams and said they could notice the difference. The big difference seems to be in the chromatic aberration.
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#3 Phil Rhodes

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Posted 18 March 2012 - 12:10 PM

Some people have put standard-def ENG lenses on things like the Panasonic GH2, and got reasonably usable results.

Others... not so much.

Some standard-def ENG style lenses are sort of OK, under some circumstances, kind of. Mainly, don't open up all the way, and don't zoom all the way in, especially with the extender engaged. From what I've seen, yes, it is about chromatic aberration, and it is certainly visible on SD cameras to the point where you'd notice the upgrade.
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