IR filter
- Order:
- Duration: 0:26
- Published: 2008-03-12
- Uploaded: 2011-01-14
- Author: Forssa1
Test and demonstration of an IR-filter taken out from a video camera.
IR transmitting (passing) filters are commonly used in infrared photography to pass infrared light and block visible and ultraviolet light. Dark black sections of processed film works to pass infrared light and is commonly used as a cheap alternative to expensive glass filters.
This text is licensed under the Creative Commons CC-BY-SA License. This text was originally published on Wikipedia and was developed by the Wikipedia community.
![Ex-Polish T-54A at the Panzermuseum Thun in Thun, Switzerland. T-54A (Ob'yekt 137G)[90][94] - Produced 1955–1957, in Poland 1956–1964, in Czechoslovakia 1957–1966, and in China as the Type 59.](http://web.archive.org./web/20110224033845im_/http://cdn.wn.com/pd/ac/b8/fabb0dc742ef60f3071b99dded35_grande.jpg "Ex-Polish T-54A at the Panzermuseum Thun in Thun, Switzerland. T-54A (Ob'yekt 137G)[90][94] - Produced 1955–1957, in Poland 1956–1964, in Czechoslovakia 1957–1966, and in China as the Type 59.")
![Paola armored Vehicle Museum's new extension, Hall 2, exhibits some functional pieces of tanks and BTR's as used by the Finnish Armed Forces. T-54A (Ob'yekt 137G)[90][94] - Produced 1955–1957, in Poland 1956–1964, in Czechoslovakia 1957–1966, and in China as the Type 59.](http://web.archive.org./web/20110224033845im_/http://cdn.wn.com/pd/e8/aa/3f9d67517ccca9622e93d6f80e20_grande.jpg "Paola armored Vehicle Museum's new extension, Hall 2, exhibits some functional pieces of tanks and BTR's as used by the Finnish Armed Forces. T-54A (Ob'yekt 137G)[90][94] - Produced 1955–1957, in Poland 1956–1964, in Czechoslovakia 1957–1966, and in China as the Type 59.")
![Ex-Polish T-54A at the Panzermuseum Thun in Thun, Switzerland. T-54A (Ob'yekt 137G)[90][94] - Produced 1955–1957, in Poland 1956–1964, in Czechoslovakia 1957–1966, and in China as the Type 59.](http://web.archive.org./web/20110224033845im_/http://cdn.wn.com/pd/ac/b8/fabb0dc742ef60f3071b99dded35_thumb.jpg "Ex-Polish T-54A at the Panzermuseum Thun in Thun, Switzerland. T-54A (Ob'yekt 137G)[90][94] - Produced 1955–1957, in Poland 1956–1964, in Czechoslovakia 1957–1966, and in China as the Type 59.")
![Paola armored Vehicle Museum's new extension, Hall 2, exhibits some functional pieces of tanks and BTR's as used by the Finnish Armed Forces. T-54A (Ob'yekt 137G)[90][94] - Produced 1955–1957, in Poland 1956–1964, in Czechoslovakia 1957–1966, and in China as the Type 59.](http://web.archive.org./web/20110224033845im_/http://cdn.wn.com/pd/e8/aa/3f9d67517ccca9622e93d6f80e20_thumb.jpg "Paola armored Vehicle Museum's new extension, Hall 2, exhibits some functional pieces of tanks and BTR's as used by the Finnish Armed Forces. T-54A (Ob'yekt 137G)[90][94] - Produced 1955–1957, in Poland 1956–1964, in Czechoslovakia 1957–1966, and in China as the Type 59.")
