Aston
Newly Enlightened
Hi all, I'm hoping to make a spotlight that will send a beam of light into the sky on a small budget, for my reflector i was going to use a satellite dish covered in Mirror Vinyl Wrap, however the focal point of my dish seems too far away (527mm (aprox 20")), so that got me thinking, what is the ideal depth of a parabolic reflector for an anti aircraft search light or Hollywood type spot/ searchlight? Thank you