View allAll Photos Tagged IR
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Hasselblad 501CM Distagon 50mm, Efke IR 820 in eco film developer,
Kallitype on Hahnemühle Platinum Rag,
Sodium acetate developer 3 mins,
Citric acid 1% 4 mins,
ATS acidic fixer 1+10 4 mins,
MT3 Vario Toner, bleach 1+75 1:30 mins, toner setting D.
2016 Worldwide Photowalk, Los Angeles County Arboretum. Made with a modified Nikon D70 with 720nm sensor IR filter.
Heathland in Infrared @720nm.
A cold bright day in mid February this year.
View at 100% and look above the trees, there are at least 50 bright dots in the sky away in the distance.
I took almost the same shot in visible light very shortly after this one, those bright objects do not show in that.
I'm sure insects would not be visible at that distance in such a manner, besides, it was cold and windy, not the time or conditions for insects to be airborne like that.
I have no idea what they were.
This year, I really started to enjoy black and white photography. This is the weathered end grain of a post. It is a 720nm infrared photograph with black and white applied in camera. So it represents a mixture of visible and infrared wavelengths. I'm not sure exactly what it is, but infrared seems to give better dynamic range — even on a tiny sensor.
Is it perfect? No. Still too much to learn! Infrared seems to surprise me every time I think I have it figured out. And that's part of the fun.
Can't wait to upgrade the little camera, but for now it still has more to teach me too.
— Theodore Tollefson @thetollart
This male peacock was demonstrating his mating display at the Cascade Gorge Gardens. The colours are magnificent of course, but infrared here provides us with something else. Not only can we see the intricate pattern of the feathers, but infrared highlights the shafts or struts that support the plumes.
One thing that is obvious is that the peacock was in perpetual motion*, and hence the slight blurring of the image. However, if you enlarge this one you can still see a great deal of subtle definition in the way the infrared light is shining through the feathers.
* I found this example from a scientific paper:
"In previous studies, scientists discovered that male peacocks shake their feathers at a specific resonant frequency that is not only energy efficient but also hypnotizes the females. The eye spots appear to be motionless while the large feathers vibrate at high speeds, which has a mesmerizing effect on potential mates." www.earth.com/news/male-peacocks-courtship-display/
Improved my editing process, and I think I can get cleaner IR results from that little 1/2.3-inch sensor. Still some other maintenance to do on the camera, but this came out well enough that I'm going to share it.
This is a Panasonic Lumix ZS6 with the hot mirror removed and a 720nm filter. I then swapped red and blue channels in post to get yellow trees and blue sky instead of the reverse, and did some additional color adjustments.
I really like IR skies. IR reveals quite a bit of detail and drama.
These images are also my fall fix before the leaves have even started to change.
More infrared and full spectrum images
— Theodore Tollefson @thetollart