«

I have been experimenting with a Canon Powershot G5 with a Hoya R72
filter for "creative" (as opposed to "scientific") IR photography.
( Example: http://folk.uio.no/gisle/photo/ir.html )

The Canon G5 is IR sensitive, but not very much. Typical
exposure times in bright sunlight is 1 second at f/2.0. I am
not happy with the results. The long exposure time makes the
images noisy and less than sharp. It also means that a tripod
is mandatory.

I am therefore thinking about getting a second (cheap) camera to
be used for IR photography. I understand that "older" digital
cameras, such as Canon Powershot G1 and Nikon Coolpix 775 had
poorer "hot mirror" IR blocking filters than more recent
models - so my plan is to get a second-hand 2 or 3 Mpx camera to
be used mainly for shooting IR.

I hope to find a camera that is sensitive enough to IR (or near IR) to
allow me to stop down to f/5.6 or f/8 and shoot at 1/60 second or less
in bright sunlight with a Hoya R72 or Wratten 88A filter in place.

The problem: Does such a camera exist?

I know Sony DSC-f707 and DSC-f717 (with the "nightshot" mode) are
suitable - but these are 5 Mpx cameras and quite expensive second
hand, and I don't like the way Sony has crippled nightshot mode.

I am looking for alternatives to the Sonys. Are there any of the
previous generation 2 and 3 Mpx P&S that bad enough IR blocking filter
to allow them to be used at (say) f/5.6 and 1/60 sec. with an IR-pass
filter in place?
--
- gisle hannemyr [ gisle{at}hannemyr.no - http://folk.uio.no/gisle/ ]
================================================== ======================
«To live outside the law, you must be honest.» (Bob Dylan)

have a look at this site for information that may help you, there is a lot
going on in this field
http://dpfwiw.com/ir.htm

phil

"Gisle Hannemyr" <gisle+> wrote in message
news:...
> I have been experimenting with a Canon Powershot G5 with a Hoya R72
> filter for "creative" (as opposed to "scientific") IR photography.
> ( Example: http://folk.uio.no/gisle/photo/ir.html )
>
> The Canon G5 is IR sensitive, but not very much. Typical
> exposure times in bright sunlight is 1 second at f/2.0. I am
> not happy with the results. The long exposure time makes the
> images noisy and less than sharp. It also means that a tripod
> is mandatory.
>
> I am therefore thinking about getting a second (cheap) camera to
> be used for IR photography. I understand that "older" digital
> cameras, such as Canon Powershot G1 and Nikon Coolpix 775 had
> poorer "hot mirror" IR blocking filters than more recent
> models - so my plan is to get a second-hand 2 or 3 Mpx camera to
> be used mainly for shooting IR.
>
> I hope to find a camera that is sensitive enough to IR (or near IR) to
> allow me to stop down to f/5.6 or f/8 and shoot at 1/60 second or less
> in bright sunlight with a Hoya R72 or Wratten 88A filter in place.
>
> The problem: Does such a camera exist?
>
> I know Sony DSC-f707 and DSC-f717 (with the "nightshot" mode) are
> suitable - but these are 5 Mpx cameras and quite expensive second
> hand, and I don't like the way Sony has crippled nightshot mode.
>
> I am looking for alternatives to the Sonys. Are there any of the
> previous generation 2 and 3 Mpx P&S that bad enough IR blocking filter
> to allow them to be used at (say) f/5.6 and 1/60 sec. with an IR-pass
> filter in place?
> --
> - gisle hannemyr [ gisle{at}hannemyr.no - http://folk.uio.no/gisle/ ]
> ================================================== ======================
> «To live outside the law, you must be honest.» (Bob Dylan)

this one is a bit newer and has more links

http://www.robwilliams.ca/Articles/Digital_Infrared.htm

phil

"phillean" <> wrote in message
news:...
> have a look at this site for information that may help you, there is a lot
> going on in this field
> http://dpfwiw.com/ir.htm
>
> phil
>
> "Gisle Hannemyr" <gisle+> wrote in message
> news:...
> > I have been experimenting with a Canon Powershot G5 with a Hoya R72
> > filter for "creative" (as opposed to "scientific") IR photography.
> > ( Example: http://folk.uio.no/gisle/photo/ir.html )
> >
> > The Canon G5 is IR sensitive, but not very much. Typical
> > exposure times in bright sunlight is 1 second at f/2.0. I am
> > not happy with the results. The long exposure time makes the
> > images noisy and less than sharp. It also means that a tripod
> > is mandatory.
> >
> > I am therefore thinking about getting a second (cheap) camera to
> > be used for IR photography. I understand that "older" digital
> > cameras, such as Canon Powershot G1 and Nikon Coolpix 775 had
> > poorer "hot mirror" IR blocking filters than more recent
> > models - so my plan is to get a second-hand 2 or 3 Mpx camera to
> > be used mainly for shooting IR.
> >
> > I hope to find a camera that is sensitive enough to IR (or near IR) to
> > allow me to stop down to f/5.6 or f/8 and shoot at 1/60 second or less
> > in bright sunlight with a Hoya R72 or Wratten 88A filter in place.
> >
> > The problem: Does such a camera exist?
> >
> > I know Sony DSC-f707 and DSC-f717 (with the "nightshot" mode) are
> > suitable - but these are 5 Mpx cameras and quite expensive second
> > hand, and I don't like the way Sony has crippled nightshot mode.
> >
> > I am looking for alternatives to the Sonys. Are there any of the
> > previous generation 2 and 3 Mpx P&S that bad enough IR blocking filter
> > to allow them to be used at (say) f/5.6 and 1/60 sec. with an IR-pass
> > filter in place?
> > --
> > - gisle hannemyr [ gisle{at}hannemyr.no - http://folk.uio.no/gisle/ ]
> > ================================================== ======================
> > «To live outside the law, you must be honest.» (Bob Dylan)
>
>

Gisle Hannemyr <gisle+> writes:

> I have been experimenting with a Canon Powershot G5 with a Hoya R72
> filter for "creative" (as opposed to "scientific") IR photography.
> ( Example: http://folk.uio.no/gisle/photo/ir.html )
>
> The Canon G5 is IR sensitive, but not very much. Typical
> exposure times in bright sunlight is 1 second at f/2.0. I am
> not happy with the results. The long exposure time makes the
> images noisy and less than sharp. It also means that a tripod
> is mandatory.
>
> I am therefore thinking about getting a second (cheap) camera to
> be used for IR photography. I understand that "older" digital
> cameras, such as Canon Powershot G1 and Nikon Coolpix 775 had
> poorer "hot mirror" IR blocking filters than more recent
> models - so my plan is to get a second-hand 2 or 3 Mpx camera to
> be used mainly for shooting IR.
>
> I hope to find a camera that is sensitive enough to IR (or near IR) to
> allow me to stop down to f/5.6 or f/8 and shoot at 1/60 second or less
> in bright sunlight with a Hoya R72 or Wratten 88A filter in place.

Try to find a used Olympus C-2100UZ, which quite a few people like the IR
photos they take, and because it has image stabalization, it means you can skip
the tripod in some cases. Note, this is second hand, I haven't tried an IR
filter on my C-2100UZ, just seen other people's work.

--
Michael Meissner
email:
http://www.the-meissners.org