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

[Fritz_t_Cat]

@ImA4Wheelr

Fritz, you got a thread or any other info on the lens you speak of?

Fresnel lens tests

[image] Here is the lens I mentioned in “What I got today” in a temporary mount of used printer paper. I chose it as the greatest ratio of diameter to focal length: 130/50 mm. The focal surface appears to be spherical. It is well inside the paper and solvent glue cone. Added much later: “flat fresnel lens for stage light with size 130mm and focus 50mm” http://www.dhgate.com/wholesale/search.do?act=search&sus=&searchkey=flat+fresnel+lens+for+stage+light+with+size+130mm+and+focus+50mm&catalog=#…