Black and White Infrared

Mikehit said:
Are they taken using IR filters or a modified camera?

Those were taken with a Sigma dp Q.

The only modification is the tool less removal of the sensor dust shield, which is also an IR and UV cut filter. That gives you full spectrum.

I also used a 720 nm IR cut filter on the lens.

Regular color pictures can be taken if a hot mirror filter is used on the lens when the factory dust protector is removed.
 
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I have a full spectrum modified 6D that I use for astro and infrared work - loads of fun :) Here's a few:
IR Church - 630nm IR filter + ND filter with blue/red channel swap
IR Lightning - 630nm IR filter no channel swapping
Windmill - as per IR church
Infrared Bridge Trees - 720nm IR filter on a stock 5D mark II with blue/red channel swap
IR Grass Trees - B+W 403 filter (bit like a 760nm IR filter, but also passes UV giving blue skies without channel swap)
 

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