Tag: Hot mirror

4-band tilt

Tilting Away the Ghosts

The filter tilt approach actually works. The setup is nothing sophisticated—I simply hold the filter in front of the lens with a small gap at the bottom, roughly…

Quad-band filter VIS night

Quad-Band After Dark

I headed out after dark with the quad-band filter and hot mirror to see what kind of images I could capture. The results were interesting, with landscapes taking…

4-Band VIS (Hot mirror Sigma)

Dog Days & Deep Greens

We’re right in the middle of the dog days here in Switzerland. Around 30°C inside the studio, probably closer to 40°C out in direct sunlight — definitely too…

Notch experiments

Notch Filter Experiments

So here’s a post that might not look very exciting at first. The first half feels a bit more like work, but if you scroll down, there’s something…

Triple Bandpass Night

Magic in the Visible Realm

The Black Trees combo showed me something fundamental: there is magic not only in infrared and UV, but also in the visible spectrum. By using filters that transmit…

Purple B-G

The Purple Quest Continues

Still chasing that perfect (IR) false color purple look… This time, I tried following Fedia’s approach with a blue-green channel swap. The results turned out pretty cool. But…