Lenses page # 8
2 pcs 90mm diameter 25mm/30mm/43mm/50mm focal length
Nbp940 infrared narrowband filter 940nm
78d high quality aspheric lens ophthalmic slit lamp retina lens
83mm optical glass lens 20w 30w 50w 100w 120w led cob road lamp lenses
Optical lens diameter 20mm focal length 75mm achromatic lens glued lens
High transmittance led lens 44mm plano convex optical glass lens , power led lens
Led near vision chart vision tester nv-100c
Ultrasonic cleaners for galsses ultrasound cleaners for jewelries and watches
Pack of 10 pcs diameter 1.5mm k9 optical glass ball lens spherical lenses
Round acrylic fresnel lens diameter 90mm focal length 50mm 25mm 30mm 43mm
Round acrylic solar fresnel lens diameter 200mm focal length 200mm
50*50mm 4 in 1 pmma modle spot light led lens