When I started infrared and ultraviolet photography, I would not have guessed signs would look strange. I think this is due to the reflective material they use in the sign making process. It causes some of the signs to appear blank when using infrared or ultraviolet passthrough filters.
|Camera Model||Lumix GH3, modified by LifePixel for Full Spectrum|
|Lens||Olympus M.ZUIKO DIGITAL ED 12mm-50mm|
|Filter||720nm Infrared Passthrough filter|
|Shutter Speed||1/100 sec|
|Location||North Georgia USA.|
The sign behind the blank one can been seen, with text and all. I think this is due to it being a print out from a laser printer. And the blank sign is made using a special material that laser printers are not using to burn in the text.
I liked this one, its a sign saying not to pick flowers or plants from the forest. There is a big cross out through the person but its hard to see.
This sign came out more normal than the others, nothing really off about it. Probably due to the dark color outlining the letters. Instead of letters being laid on a blank surface in the previous signs.
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I take pictures with a special camera. Its a Mirrorless DSLR that has been modified by Life Pixel to see light in other wavelengths. This allows my camera to see light in the Infrared [IR] around 1300 NM wavelength, through the visual spectrum and into the Ultraviolet A and B wavelengths roughly into the 300 NM wavelength.
I carry many filters on me to make the photos you see in my blog, these filters screw on my lens and help me isolate certain wavelengths for certain scenes. These filters can be IR / UV pass-through filters to assist me get a natural photo taking out the UV and IR light. Or I may use a Infrared pass-through filter capture just IR light. I can do the same with UV light as well, though I need some better filters which they can cost a few hundred dollars for true Ultraviolet pass through filters. So for right now I have B + W 403 bandpass filters that still allow some IR light in, due to their cheaper material.
There are also exotic glasses made of sapphire and germanium I am open to working with to replace my silica glass hot mirror with a material that allows even longer wavelengths of infrared to enter my cameras sensor. Special sensors, lenses and filters of that material would be needed as well, so it would be a big project but one that may give some even more unique photography results.
Addresses below to help me buy better camera equipment and support me to travel to locations to do photo and video and overall great blogs in new places. I would be happy to list some of the contributors in my posts for donations that help me along the way.
For more information on how I do my photography I have a short video on that: https://steempeak.com/photography/@solominer/vqgcrs3x