Fresnel lens tests

[Fritz_t_Cat]

Holy Hot Spot Batman, 824kcd! (Formerly, 100mm Aspheric Lens at Fasttech)

By the way, that's an actual quote from the series. The below picture is an dedomed XM-L2 U2 1A at about 7 amps. Mouse over is dedomed MT-G2 (probably around 5 amps). The beam is aimed at a tree that is about 250 feet away and 70 feet tall. The light hitting the tree to the right is from the glow of the PVC head. [image] The lens I asked about originally in this thread was waiting for me when I got home. Big, low-profile honker. It was packed with an Allen wrench against it. Bad form FT…