Quote:

---

This is slightly off topic,,,please forgive. I had never heard we have poor red response (assume meant as when dark adapted) so I did some surfing. I came across an article that was very interesting. If this article is correct we're all running around with our red flashlights degrading our dark adaptation every time we turn one on.

---

Well, only the dark adaptation that lets us see red through the red cones. For many of the fainter objects, I think very many people have never seen colour, and the fact there is such a thing as using averted vision means that we aren't using those red cones *that* much...

--------------------

400mm f/4.46 David Lukehurst truss Dobsonian on Tom Osypowski equatorial platform
Orion Starblast (114mm f/4 reflector, Alt/Az)

Post Extras