Hi guys, i just found a cheap lens shop who offers several high quality optical lenses.
my questions is whats better for maximum throw and why....... at the same diameter of course :thumbsup:
a high quality bi-aspheric plastic lens, or a plano convex lens made of optical grade crown glass?
my questions is whats better for maximum throw and why....... at the same diameter of course :thumbsup:
a high quality bi-aspheric plastic lens, or a plano convex lens made of optical grade crown glass?
