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IR with Sony Cams?

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I have tried the Tiffen Hot Mirror filter on my S75 and as far as picture goes I saw no difference. An interesting side note: The S75 does pick up IR (try pointing your camera at the end of an IR remote and you can see the IR light in your LCD). The Hot Mirror filter eliminates this. But, again, I didn't see any actual difference in photos.
ruexp67 said:
Has anyone tried an IR filter on their s70/s75/cd300/s85? If so,
what were your results (good, bad, indifferent?) Also which IR
Filter did you use? I tried doing the research myself, but only
came up with more questions.
--
Pete
http://communities.msn.com/PetesDigitalPix
Are You Experienced?
Click to expand...
 
I've used a Tiffen R72 to reduce the visible light spectrum on a DSC f505v. Works very well in dark times and locations where heat is given off of the subject. But bright skies etc. bleed through if very strong as R72 only reduces the visible light.
IR filters are also expensive but I had the R72 from my film days.
RON C
Gregguy said:
ruexp67 said:
Gregguy said:
ruexp67 said:
Has anyone tried an IR filter on their s70/s75/cd300/s85? If so,
what were your results (good, bad, indifferent?) Also which IR
Filter did you use? I tried doing the research myself, but only
came up with more questions.
--
Pete
http://communities.msn.com/PetesDigitalPix
Are You Experienced?
Click to expand...
Click to expand...
Click to expand...
Click to expand...
 
Hi I use f505v with same B&W filter, do not know the number right now, I will get back later on that( It looks totaly back to my eyes).

The pix will get all types off redish. I suppose it is best to use black & white option or convert to black and white aftervards. The pix is the same size for Black & White and color. So no savin MS space there.

I have not played around too much with it but you will surley need longer exposers than 1/30 or they will be black, so same support is needed.

Have not noted as big effect as expected but I suppose it depnd on what is the subject. Compared to Black & White photos. Had same effect on a photo of my friend where you coud clearly see the boold vanes under the skinn om a sunny day.

I tryed to pick up this subject before the summer but did not get any respons in this forum :(

There are same http://www pages about is...

Finaly I think it is a fun thing to play around with if you got nothing else to do. Not all cameras can do this. And Sony is probobly not the best but it works. The filter is realy expensive ($60). Reply me if you want to know more.

-Michael A
 
Thanks, I read that some camera's were better than others because of a factory installed film over the CCD to block IR. I was curious if it would work before investing in the filter. Thanks for your advice.
Michael A said:
Hi I use f505v with same B&W filter, do not know the number right
now, I will get back later on that( It looks totaly back to my
eyes).

The pix will get all types off redish. I suppose it is best to use
black & white option or convert to black and white aftervards. The
pix is the same size for Black & White and color. So no savin MS
space there.

I have not played around too much with it but you will surley need
longer exposers than 1/30 or they will be black, so same support is
needed.

Have not noted as big effect as expected but I suppose it depnd on
what is the subject. Compared to Black & White photos. Had same
effect on a photo of my friend where you coud clearly see the boold
vanes under the skinn om a sunny day.

I tryed to pick up this subject before the summer but did not get
any respons in this forum :(

There are same http://www pages about is...

Finaly I think it is a fun thing to play around with if you got
nothing else to do. Not all cameras can do this. And Sony is
probobly not the best but it works. The filter is realy expensive
($60). Reply me if you want to know more.

-Michael A
Click to expand...
 
I am sure you guys probably understand that all cameras with a Charged Coupled Device (CCD) can be filtered using an IR with an appropriate density.

To go into the technical details, you guys can go into a few sites such as http://www.kaya-optics.com/ and http://www.irfilters.com

These two sites offer an incredible detail as to how you can get hold of a simple filter to get some "X-ray" vision shots just like Superduperman !!!

If you go into the kaya-optics website, they'll explain the transmitance curves ranging from 420nm - 610 nm. Anything above that spectrum is coming close to near IR and that is basically useless.

If you recalled, Sony came out with their first generation of vidcam with Nightshot IR. When used in the day, it allows the user to "penetrate" the outer layer of clothing and it literally allows you to see thru the person's clothings. This vidcam was selling like hot cakes, especially for voyeurs.......

That is why the later generation of Sony's vidcam incorporates a NDIR filter which prevented it to be used in daytime.

But....this can easily be overcome by removing the NDIR filter which is located in between the lens and the CCD.

However.... please make sure you only do this on a spare vidcam.

Last but not least, I am NOT a voyeur....I'm someone who is only interested in the mechanics of optics !!!

Cheers !
 
Hi Raymond,

I have a SONY TRV-99 which is a Hi-8 camera with 500+ lines of resolution. I think that's as high a resolution as was ever available on Hi-8. It's about 3 years old. I have used the normal nightshot feature with some success. The night time video is excellent. The camera makes a fair spotter scope for watching various creatures go through the backyard at night.

As to the IR feature. I never bought an IR filter. However, I do get a fair amount of ribbing about having a "Pervo-cam". I'll think I'll leave that feature untested.

Enjoyed your post! Very informative.
Mike
Raymond Chan said:
I am sure you guys probably understand that all cameras with a
Charged Coupled Device (CCD) can be filtered using an IR with an
appropriate density.

To go into the technical details, you guys can go into a few sites
such as http://www.kaya-optics.com/ and http://www.irfilters.com

These two sites offer an incredible detail as to how you can get
hold of a simple filter to get some "X-ray" vision shots just like
Superduperman !!!

If you go into the kaya-optics website, they'll explain the
transmitance curves ranging from 420nm - 610 nm. Anything above
that spectrum is coming close to near IR and that is basically
useless.

If you recalled, Sony came out with their first generation of
vidcam with Nightshot IR. When used in the day, it allows the user
to "penetrate" the outer layer of clothing and it literally allows
you to see thru the person's clothings. This vidcam was selling
like hot cakes, especially for voyeurs.......
That is why the later generation of Sony's vidcam incorporates a
NDIR filter which prevented it to be used in daytime.
But....this can easily be overcome by removing the NDIR filter
which is located in between the lens and the CCD.

However.... please make sure you only do this on a spare vidcam.

Last but not least, I am NOT a voyeur....I'm someone who is only
interested in the mechanics of optics !!!

Cheers !
Click to expand...
 
Hi Mike

If I had that vidcam, I'd hang on to it for dear life.....unless of course someone gives me an offer I can't refuse :-)

Glad to share some of knowledge around my fellow photographers!

Cheers !
 
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