New lens patents ??

Started 10 months ago | Discussions thread
brandrx
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Greg...
In reply to Greg Lovern, 10 months ago

Greg Lovern wrote:

JeffAHayes wrote:

Since I haven't been "in the loop" between about 1997 to 2011, I don't know if Pentax had one (or more) F2.8 70-200 lenses during that period

Is the FA* 80-200/2.8 close enough?

http://kmp.bdimitrov.de/lenses/zooms/long/FA80-200f2.8.html

By all accounts an excellent lens, but big and heavy due to Power Zoom, which doesn't work on DSLRs.

Actually if I recall correctly there is some minor feature of Power Zoom which does work on DSLRs, but it isn't the main power zooming feature.

Hi Greg,

I have the Pentax FA*80-200/2.8 and the power zoom does indeed work on the Pentax DSLR's. I don't use it though because it zaps the batteries too fast. I don't know what the other functions of the PZ switch is but they don't work whatever they are.

Ron

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