How to photograph invisible part of the moon?

Started 4 months ago | Discussions thread
Sittatunga Veteran Member • Posts: 3,507
Re: 2400WS packs x 1,000,000

Tristimulus wrote:

Jacques Cornell wrote:

and Fresnel lenses on all the heads.

Why?

Fresnel lenses are not quite up to the better traditional lenses and telescopes when it comes to astrophotography...

They're not for the camera. Just to focus all that light painting on the moon. You might still need a bit more energy than 2.4GJ though and you'd need to pick a very clear night.

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