Fresnel lens (spherical):
8605-2 (Ф34, outside Ф44)
Focal length: 17MM
Distance: 6M
Angle: 360 degrees
8605-2 (Ф34,outsideФ44) Fresnel lens (spherical)
Fresnel lens (spherical):
8605-2 (Ф34, outside Ф44)
Focal length: 17MM
Distance: 6M
Angle: 360 degrees