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• Intro

> Light

> Weather

> Calculators


 

Intro
This page. A click on the thumbnail on top left of the page brings up the main page.

Light
The light spectrum listed from IR to UV and how humans perceive colours.

Weather
The weather in CH-3952 Susten. Since 1993, I have been recording barometric pressure, temperature, humidity and wind each 30 minutes.

Calculators
Javascript calculators for:

  • the angle of view from the focal length of a lens of a DX and FX DSLR camera,
  • the size of panoramas in different projections.
 
  © 2004 - 2017 by Horo Wernli.