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Eyeling (eyeling@mastodon.art)'s status on Sunday, 27-Mar-2022 08:34:30 UTC Eyeling

Early #caturday: Meet Balu, the cuddly cute but slightly dense angel of a feline that one of my friends is blessed with. #gadse #catcontent
In conversation Sunday, 27-Mar-2022 08:34:30 UTC from mastodon.art permalink
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- Santa Claes 🇸🇪🇭🇰🎅 likes this.
- Eyeling (eyeling@mastodon.art)'s status on Sunday, 27-Mar-2022 08:34:34 UTC Eyeling
  in reply to
  
  Balu the goofball. #caturday #catsofmastodon
  In conversation Sunday, 27-Mar-2022 08:34:34 UTC permalink
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- Eyeling (eyeling@mastodon.art)'s status on Sunday, 15-May-2022 04:52:11 UTC Eyeling
  in reply to
  
  Another photoshoot with Balu, the cutest cat imaginable. This time in several shades of #infrared.
  #caturday #CatsOfMastodon
  In conversation Sunday, 15-May-2022 04:52:11 UTC permalink
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- Eyeling (eyeling@mastodon.art)'s status on Sunday, 15-May-2022 04:52:27 UTC Eyeling
  in reply to
  - born 329ppm on Ngāi Tahu land
  @dch 4k wallpapers of some images on Ko-Fi: https://ko-fi.com/s/01b5cab43a
  (They're currently at 3€, forgot to set the additional pay-what-you-want. Will do that tomorrow. But if you feel generoud, I will give 100% of any payment to his human, who is a student and not making much money)
  In conversation Sunday, 15-May-2022 04:52:27 UTC permalink
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  1. Infrared Cat Wallpapers (7 images) - Eyeling's Ko-fi Shop
    
    4k wallpapers of Balu the Cat exploring an infrared world + 2 macro shots of his eye. Images free for personal use. Do not resell. Every cent goes to ...
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- Eyeling (eyeling@mastodon.art)'s status on Sunday, 15-May-2022 04:52:28 UTC Eyeling
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  - born 329ppm on Ngāi Tahu land
  @dch Thanks. Unnatural looking grass is a main feature of infrared photography. Was rather surprised how natural cats appear in it. Humans certainly do not.
  
  In conversation Sunday, 15-May-2022 04:52:28 UTC permalink
- born 329ppm on Ngāi Tahu land (dch@bsd.network)'s status on Sunday, 15-May-2022 04:52:28 UTC born 329ppm on Ngāi Tahu land
  in reply to
  
  @eyeling I love the blue much more than the red. do you have a higher res version of these available? I'd like to put them on my desktop background.
  
  In conversation Sunday, 15-May-2022 04:52:28 UTC permalink
- born 329ppm on Ngāi Tahu land (dch@bsd.network)'s status on Sunday, 15-May-2022 04:52:29 UTC born 329ppm on Ngāi Tahu land
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  @eyeling these are captivating and astonishing. The tweaked colours are something else.
  
  In conversation Sunday, 15-May-2022 04:52:29 UTC permalink
- Eyeling (eyeling@mastodon.art)'s status on Sunday, 15-May-2022 04:52:45 UTC Eyeling
  in reply to
  - born 329ppm on Ngāi Tahu land
  - Chris [list of cold emoji]
  @suetanvil @dch Yes. Full 550nm IR. Fur seems to be pretty unaffected at this wavelength.
  
  In conversation Sunday, 15-May-2022 04:52:45 UTC permalink
  
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- Chris [list of cold emoji] (suetanvil@mastodon.technology)'s status on Sunday, 15-May-2022 04:52:46 UTC Chris [list of cold emoji]
  in reply to
  - born 329ppm on Ngāi Tahu land
  @eyeling @dch
  Wait, so this is straight infrared? You didn't photoshop in a natural-light picture of Balu?
  
  In conversation Sunday, 15-May-2022 04:52:46 UTC permalink
- Eyeling (eyeling@mastodon.art)'s status on Sunday, 15-May-2022 04:53:12 UTC Eyeling
  in reply to
  - MarkusL
  @markusl This kind of IR isn't thermal. Yes, I called it "IR", but "near infrared" would be more appropriate. It's a 550nm lowpass filter which lets parts of visible light through. Thermal radiation doesn't register in a relevant way. https://en.wikipedia.org/wiki/Infrared_photography
  In conversation Sunday, 15-May-2022 04:53:12 UTC permalink
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  1. Infrared photography
    
    In infrared photography, the film or image sensor used is sensitive to infrared light. The part of the spectrum used is referred to as near-infrared to distinguish it from far-infrared, which is the domain of thermal imaging. Wavelengths used for photography range from about 700 nm to about 900 nm. Film is usually sensitive to visible light too, so an infrared-passing filter is used; this lets infrared (IR) light pass through to the camera, but blocks all or most of the visible light spectrum (the filter thus looks black or deep red). ("Infrared filter" may refer either to this type of filter or to one that blocks infrared but passes other wavelengths.) When these filters are used together with infrared-sensitive film or sensors, "in-camera effects" can be obtained; false-color or black-and-white images with a dreamlike or sometimes lurid appearance known as the "Wood Effect," an effect mainly caused by foliage (such as tree leaves and grass) strongly reflecting in the same way visible light is reflected from snow. There is a small contribution from chlorophyll fluorescence, but this is marginal and is not the real cause of the brightness seen in infrared photographs...
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- MarkusL (markusl@fosstodon.org)'s status on Sunday, 15-May-2022 04:53:13 UTC MarkusL
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  @eyeling Surreal, but beautiful.
  May I ask an ignorant question? The cat is the biggest heat source in the photos, so why doesn't he or she glow red? If I were to take equivalent photos with my cheap thermal camera (which, I know, is a different technology), Balu would be by far the brightest object in the frame.
  
  In conversation Sunday, 15-May-2022 04:53:13 UTC permalink
- Eyeling (eyeling@mastodon.art)'s status on Sunday, 15-May-2022 04:53:14 UTC Eyeling
  in reply to
  
  Oh, you ppl seem to like those cat infrareds. So here's the B-roll: #infrared #caturday #cats
  In conversation Sunday, 15-May-2022 04:53:14 UTC permalink
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- Eyeling (eyeling@mastodon.art)'s status on Sunday, 15-May-2022 04:53:48 UTC Eyeling
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  - MarkusL
  @markusl Yes, exactly! A friend (physicist) and I hat a lovely time shooting our electric stoves and seeing the heated coils showing up in IR earlier than they're visible to the human eye. It's also fun being able to see through the darkened ceramic glass.
  In conversation Sunday, 15-May-2022 04:53:48 UTC permalink
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- MarkusL (markusl@fosstodon.org)'s status on Sunday, 15-May-2022 04:53:49 UTC MarkusL
  in reply to
  
  @eyeling Ah, thanks. I hadn't realised that there was an order of magnitude between the wavelengths you're capturing and the wavelengths used in thermal imaging. Presumably, an object that was almost hot enough to glow red would shine brightly in a near-IR photo, but a healthy cat doesn't come close to that. 🙂
  
  In conversation Sunday, 15-May-2022 04:53:49 UTC permalink

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