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UV/IR Thermal or Xray Photography Humans happen to use visible light naturally but now we can go beyond the usual wavelengths we appreciate, to find out more about our world and ourselves.

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Old January 7th, 2019, 11:02 PM
Dr Klaus Schmitt Dr Klaus Schmitt is offline
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Default Oncostele in UV using a Russian f2.8/200mm lens

This was indeed a surprising find, this prototype f2.8/200mm that it does so well also in UV...

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Old January 8th, 2019, 03:36 PM
Asher Kelman Asher Kelman is offline
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That lens seems pretty sharp and the filter in reflected UV is clean.

What was the lens built for?

Asher
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Old January 9th, 2019, 01:37 AM
Dr Klaus Schmitt Dr Klaus Schmitt is offline
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Quote:
Originally Posted by Asher Kelman View Post
That lens seems pretty sharp and the filter in reflected UV is clean.

What was the lens built for?

Asher
As a fast 2.8/200mm taking lens actually!
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