Traditional Culture Encyclopedia - Photography and portraiture - Filtering function of infrared filter

Filtering function of infrared filter

The line filter adopts the first-class lens imported from Schneider /B+W and the high-quality connecting ring processed by imported machine tools, with fine workmanship and infrared transmittance of over 99%.

There are mainly 25mm, 27mm, 30mm, 37mm, 43mm, 52mm and 58mm infrared filters.

Main products.

For a long time, infrared photography has been a relatively different way of shooting, and the images taken are even more shocking.

People can't put it down, and it also plays an important role in public security, archaeology, medicine and other fields. But early infrared photos need to be red.

External filters and special infrared films can be obtained, but many friends are looking forward to the high cost and unpredictability of the film.

Retreat.

In recent years, with the popularity of digital cameras and home video cameras, especially after Sony first introduced the night vision function, people turned it on.

I became interested in infrared ray and its photography, because CMOS/CCD photosensitive elements used in digital cameras and video cameras can receive it.

To the infrared wavelength, now we can take infrared photos and dynamic scenes with infrared filters. To some extent, what we shoot is what we see.

It is more convenient to understand and observe the strange infrared world!

Infrared filter is a kind of photographic equipment that most photographers like very much, and it is also a welfare in some special industries.

Devices, such as public security departments use it to record criminal traces that are difficult to see with the naked eye, and scientific research departments use it to record the isolation experiment process.

The Ministry of Protection uses it to identify cultural relics and so on. We can also use infrared photography to shoot with the naked eye in a dark and dreary environment.

What the law sees; You can also use infrared filters to identify documents that have been tampered with, forged or burned. In landscape photography

Chinese and infrared filters can also filter out the influence of atmospheric fog, making the distant scenery unexpectedly clear.