I think you need the angle of view more than field of view. the formula
for AOV is
AOF = 2*tan^(-1)/(F/2*f) where F is the size of the sensor f is the
focal length. You'll have to use some algebra to rearrange the terms to
solve for "f". I'm just feeling too lazy...
Shel Belinkoff wrote:
> There is a photo I'd like to make, but the widest lens I have is still too
> long as it forces me to include an undesirable object in the frame and I
> don't want to mess around with cloning the object out of the scene. I will
> need to borrow a wider lens, but I don't know what focal length would work.
> Is there a way to determine the focal length I need based on the subject
> distance and framing I want using the longer lens. I know how close I must
> get to the subject to eliminate the unwanted element. Perhaps a formula of
> some sort?
>
> For what it's worth, the subject is about 12-feet long and I have to get
> about six feet from it.
>
>
> Shel
>
>
>
>
>
--
Things should be made as simple as possible -- but no simpler.
--Albert Einstein
--
PDML Pentax-Discuss Mail List
[email protected]
http://pdml.net/mailman/listinfo/pdml_pdml.net
