WARNING - technical thread - how are the red dots really made?

Started Sep 7, 2012 | Discussions thread
Bodoh
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Re: WARNING - technical thread - how are the red dots really made?
In reply to Roland Karlsson, Sep 10, 2012

http://photoblog.nbcnews.com/_news/2012/09/07/13736090-the-sun-in-a-spacewalkers-hand?lite

What about these red dots. The article says Nikon D2Xs, a DSLR. Seems like a wide angle lens. Granted the situation is extreme, but it means that optically it is not restricted to compacts. Now maybe these cameras are modified for the purpose and that has introduced it. Anyway it looks very familiar in pattern and colour.

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