Lens and LED lamp beads are two separate objects but inseparable in the application; the function of a lens is capable LED lamp beads light angle (usually 60-120 degrees) into a condenser 5 degrees again want to get to 120 degrees at any angle, the light is more concentrated, brighter and shoot farther.
eBay
10pcs/lot injection with lens COB LED module waterproof LED back light backlight for sign channel letter DC12V 2W IP68
Aliexpress UK
1pcs 44mm Glass Lens. 1pcs 50mm Reflector cup. Material: Optical Glass. 1pcs fixed bracket. Beam Angle: 90 degree. Compatible with10W Round Shape High Power LED Lamp, COB LEDs etc. Viewing angle: 90 degrees.
eBay
10pcs/lot Injection with Lens COB LED Module Waterproof LED Back Light Backlight for Sign Channel Letter DC12V 2W IP68
Aliexpress UK
Description: Widely use in for LED spot light, , DIY projecting lamp etc. We have stock of other degrees, if you need, please check in our store.
eBay
10pcs/Lot Injection with Lens COB LED Module Waterproof LED Back Light Backlight for Sign Channel Letter 12V24v 2W IP68
Aliexpress UK
Lens Angle: 5° 8°10° 15° 25° 30° 45° 60° 90° 120°. 10 x LED Lens + 10 x Lens Holder. LED lens Size: 20mm 10mm. Lens Holder Size: 22mm 14mm. Due to the difference between different monitors, the image may not reflect the actual color of the item.
eBay
30/100Pcs 3V SMD Lamp Beads with Optical Lens Fliter for 32-65 inch LED TV Repair(3V with Cable) 100%NEW LED Backlight strip
Aliexpress UK
1pc 50mm Reflector. After installing light-emitting degrees about 70 degrees, suitable for high-power LED projector. Applicable scope: 20-100W integrated LED light source. 1pc 44mm Glass Lens. Type1:Light angle of 60 degrees ,Type2: Light angle of 120 degrees.
eBay
3V 6V SMD Lamp Beads With Optical Lens Fliter for 32-65 Inch LED TV Repair With 2M Cable LED Backlight Strip Accessories
Aliexpress UK
Collimator Size. 1 Pc x Reflector. Bracket Size. 1 Pc x Fixed bracket. Lens Height: 19mm. 1 Pc x Glass Lens. Temperature: -30-120°C. Light transmittance: 98%.
eBay
10PCS COB Module Light Led Beacon for Vehicles Signaling Injection With Lens 12V Waterproof Car LED Bulbs for Trucks Accessories
Aliexpress UK
10pcsx lens Black Holder. 10pcsx 5° led lens. Beam Angle: 5 Degree. Lens Height: 10.5mm. Lens Dimaeter: 20mm. Holder Height: 13mm. lens: water clear. Quantity: 10pcs.
eBay
10pcs/lot injection with lens COB LED module waterproof LED back light backlight for sign channel letter DC12V 2W IP68
Aliexpress UK
1pcs 44mm Glass Lens. 1pcs 50mm Reflector cup. Material: Optical Glass. Beam Angle: 90 degree. Compatible with10W Round Shape High Power LED Lamp, COB LEDs etc. 1pcs fixed bracket. Viewing angle: 90 degrees.
eBay
50/100PCS 6V LG SMD Lamp Beads With Optical Lens Fliter for 32-75 inch LED TV Repair With 2M Cable LED Backlight Strip
Aliexpress UK