The IR sensitive 20D

Archived from groups: rec.photo.digital.slr-systems (More info?)

"RichA" <none@none.com> wrote in message
news:v07v111scml6pdo4hfa4e4c4thma6q9mc2@4ax.com...
> When Canon brings this out, I wonder if it
> will be like the Sony vidcam that could see
> through some clothing? Remember it?

The Canon EOS-20Da isn't really IR sensitive, but it has enhanced Red
sensitivity which makes it more sensitive for Hydrogen Alpha
emissions.

Bart

Archived from groups: rec.photo.digital.slr-systems (More info?)

On Fri, 25 Feb 2005 22:44:49 -0500, "Darrell" <dev/null> wrote:

>
>"RichA" <none@none.com> wrote in message
>news:v07v111scml6pdo4hfa4e4c4thma6q9mc2@4ax.com...
>> When Canon brings this out, I wonder if it
>> will be like the Sony vidcam that could see
>> through some clothing? Remember it?
>> -Rich
>
>It's not an IR camera. Canon has modified the IR filter so that H<alpha> at
>636nm will pass. This is visible light, or red nebulae.
>
>

Thanks. I guess the only one that has sensitivity that extends
into the infrared are the modified Rebels some people have
made. They removed the IR rejection filter.
-Rich