On Wed, 29 Jan 2003 13:51:15 GMT, "David McCall" <davidmccall@attbi.com> wrote:

>"brian a. henderson" <bah@nautilus.shore.net> wrote in

message news:FOJZ9.22222$9J5.82879716@news.primus.ca...

 

>> : I'm not too sure what value f-stops have in video...

 

>> I use them mostly to determine depth of field. They're very useful to me

>> on any camera.

 

>Good point

 

Using AE-A permits specifying aperture; pressing the

exposure lock button gives current aperture info (at

least on the VX2000...); the chips are so small that

DOF effects are hard to achieve except near longest

zoom and with closer distances anyway...

 

>Wouldn't a simple meter give you a "close enough" idea of the f-stop

>to calculate/look up depth of field information?

[...]

 

Not unless the shutter speed and gain are known and

locked down...