Dev Party #35 – Why Is Ortho?

Let’s take a deep dive into Orthochromatic film! What is it? Why is it? Do you want to shoot it? Are you sure? And most importantly, how do you dev it?

We really dig into the history of it and which bits of Roy G Biv it picks up. Also, how it compares to emulsions that came before it. Isn’t this exciting?

Eric shot Ilford Ortho Plus, devving it in Rodinal 1+50 for 15mins. Here are some pics:

Vania shot some Fuji HR-U X-ray film, which is orthochromatic, picking up both blues and greens (many x-ray emulsions pick up only blue). She devved it in Rodinal 1+100 for 4mins. Here are some of hers:

If you were curious how blue sensitive-only emulsion compares to blue-green sensitive, here’s a color chart:

Here are some other comparisons:

Vania also mentioned shooting ortho with a red filter in Yellowstone. Here’s that…


END CREDITS

www.allthroughalens.com

Vania: IGFlickrZines
Eric: IGFlickrZinesECN-2 Kits

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