Fresnel lens (spherical):
8605-2B (Φ33, outside Φ36)
Focal length: 17MM
Distance: 6M
Angle: 360 degrees
8605-2B（Φ33,outsideΦ36） Fresnel lens (spherical)
Fresnel lens (spherical):
8605-2B (Φ33, outside Φ36)
Focal length: 17MM
Distance: 6M
Angle: 360 degrees