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Woodman7
6th of August 2003 (Wed), 16:48
Hello guys,

I just bought a 10-D a few weeks ago and I love it. I have been reading about infrared photography in many of the photography magazines as of late. I did some searching on the web and supposedly many digital cameras are especially good at it.

I went to the store today to see if I could get a filter to do this and the guy sold me a red filter.

Is this what I need? Even more to the point, is the 10-D sensitive to infrared like many of the coolpix cameras that I have seen the tutorials on.

Any help would be greatly appreciated.

Sunil
6th of August 2003 (Wed), 16:55
Hi Woodman. I found the following page very useful:

http://www.cliffshade.com/dpfwiw/ir.htm

mattchase
6th of August 2003 (Wed), 18:02
Woodman,

What is the filter number? If it is a #25, then it isn't the correct kind, that filter is meant for use with black and white infrared film, and won't work with the 10D for doing infrared. You need to get a Hoya RM72, or Tiffen #87 or other similar filter. The prices of these filters range from $40ish for a 52mm thread up to $130 for the Tiffen and over $250 for the RM72 in the 77mm size.

http://photography-on-the.net/forum/showthread.php?t=14186
Check the above thread, it has a lot of good info regarding IR with the 10D.

Woodman7
6th of August 2003 (Wed), 22:51
Ya it was a Red #25 good thing that they take back the filters. I really appreciate the information and when I get some pictures done I will be sure to post them.

Squeaky
7th of August 2003 (Thu), 08:22
Turn on your camera and get hold of your television 'zapper'..... hold the zapper in front of the lens and press one of the buttons on the zapper. You will then 'see' the infra red image on the camera monitor.... you will see it pulsing.

Longwatcher
7th of August 2003 (Thu), 08:23
woodman7 wrote:

Is this what I need? Even more to the point, is the 10-D sensitive to infrared like many of the coolpix cameras that I have seen the tutorials on.

The 10D is sensitive to the near infrared. Best guess is to about 780nm (average eyes go to about 700nm). The D60 the previous camera is not.

The Hoya R72 has a peak cutoff (this means it still lets in some light below this) at 720nm so is probably one of the most useful filters. My understanding is the Tiffen equivelant has a sharper cutoff so is more likely to show just the IR, however, I don't yet have this one, because the cost was twice as much for the 58mm and the 77mm were way up there.

When using IR remember you will need to adjust the focus point and some of the better lenses have an IR mark on the lens (as I finally noticed my 50/1.4 did)

Have fun,