M9x0.5 mm threaded housing, single glass lens design. this single element lens gives around 15-20% increase in output compared with the 3-element lenses with a reduction in beam quality. 

Specifications:

Lens Material: Single element; Coated optical glass

Lens Holder: 9mm x 0.5mm thread, 10mm length, brass

EFL ( Effective Focal Length): 12mm

CA (Clear Aperture): 5.3/4.9mm

NA (Numerial Aperture): 0.22mm

SD (Diode to lens): 10.77m

Coating:400-700nm

Realpoo Optics is a professional manufacturer of optical glass lenses, such as Spherical Lens, Glass Rod, Fresnel Lens, Holographic Grating etc. the optics can be offered with coating or without coating. Welcome to send your inquiry.