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-   -   Re: Why no 28-300/18-200 lenses with lower f-stop? (http://www.velocityreviews.com/forums/t751392-re-why-no-28-300-18-200-lenses-with-lower-f-stop.html)

DanP 07-13-2011 01:02 PM

Re: Why no 28-300/18-200 lenses with lower f-stop?
 
On Wednesday, 13 July 2011 13:31:27 UTC+1, Whisky-dave wrote:

> There was a documentary on TV about a tribe in some rain forest that
> no one had visited
> and they wanted to keep it that way so they used a zoom far larger
> than 11X
> from an aircraft up high enough that those on the ground didn;t
> noticed they were being filmed
> or disturbed by those filming. Seemed the ideal choice to me.


Human Planet, John Hurt presenting, right? Must see stuff.

Well, I doubt the lens used was a zoom range lens, my bet is on a long prime.


DanP

Whisky-dave 07-13-2011 02:23 PM

Re: Why no 28-300/18-200 lenses with lower f-stop?
 
On Jul 13, 2:02*pm, DanP <dan.pe...@hotmail.com> wrote:
> On Wednesday, 13 July 2011 13:31:27 UTC+1, Whisky-dave *wrote:
> > There was a documentary on TV about a tribe in some rain forest that
> > no one had visited
> > and they wanted to keep it that way so they used a zoom far larger
> > than 11X
> > from an aircraft up high enough that those on the ground didn;t
> > noticed they were being filmed
> > or disturbed by those filming. Seemed the ideal choice to me.

>
> Human Planet, John Hurt presenting, right? Must see stuff.


Thanks for that it was a good program so good I forgot the title ;)
Now I can google it .

http://www.bbc.co.uk/news/world-latin-america-12360013
"The BBC was allowed to film from 1km away using a stabilised zoom
lens. More photographs of the tribe can be found here."


Damm no info about the lens, anyone fancy doing the maths .....



>
> Well, I doubt the lens used was a zoom range lens, my bet is on a long prime.
>
> DanP



Whisky-dave 07-13-2011 02:36 PM

Re: Why no 28-300/18-200 lenses with lower f-stop?
 
On Jul 13, 3:23*pm, Whisky-dave <whisky.d...@gmail.com> wrote:
> On Jul 13, 2:02*pm, DanP <dan.pe...@hotmail.com> wrote:
>
> > On Wednesday, 13 July 2011 13:31:27 UTC+1, Whisky-dave *wrote:
> > > There was a documentary on TV about a tribe in some rain forest that
> > > no one had visited
> > > and they wanted to keep it that way so they used a zoom far larger
> > > than 11X
> > > from an aircraft up high enough that those on the ground didn;t
> > > noticed they were being filmed
> > > or disturbed by those filming. Seemed the ideal choice to me.

>
> > Human Planet, John Hurt presenting, right? Must see stuff.

>
> Thanks for that it was a good program so good I forgot the title ;)
> Now I can google it .
>
> http://www.bbc.co.uk/news/world-latin-america-12360013
> "The BBC was allowed to film from 1km away using a stabilised zoom
> lens. More photographs of the tribe can be found here."
>
> Damm no info about the lens, anyone fancy doing the maths .....
>


my googling ended here.

http://www.aerial-filming.co.uk/
Arena is a specialist CAA Approved operator. Located near the M25/M23
junction, we are only 10 minutes flying time from central London and
provide cost-effective solutions anywhere in the UK or Europe. We also
hold a growing archive of footage available for purchase.

First hour flown 850+vat
(our minimum charge)

Subsequent hour/s 650+vat
(pro-rata)

Includes: R44 Raven II helicopter, Cineflex "V14" camera system, Sony
Cinealta camera with 84x HD lens, experienced R44 filming pilot,
Camera operator, filming coordinator, fuel, a landing fee and even a
roll of HDCAM tape stock.
--------------------------------------------

Doesn;t seem such a bad price really all things considered.




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