70-80mm|无锡光泰玻璃制品有限公司

By purpose

Street Light: 50-60mm; 60-70mm; 70-80mm; 80-90mm; 90-100mm; 100-110mm; 120-130mm

Highbay Light / Spotlight / Flood Light: 50-60mm; 60-70mm; 70-80mm; 90-100mm; 100-110mm; 110-120mm; 120-130mm

Reflector / Fly eyes / Fresnel: 30-50mm; 50-60mm; 60-70mm; 80-90mm

Lampshade / Accessories: 90度; 120度

Street Light Module / Highbay Light Module: 路灯模组; 工矿灯模组

Citizen
Cree
Bridgelux
Luminus

Model：78-3

Optical Lens

1. Material: Optical glass (high borosilicate, K9, BK7, BK270)
2. Light transmission: 95% (97% after coating)
3. Refractive index: 1.474
4. Operating temperature: -50-500 degrees
5. Size introduction: External diameter: 77.6mm, Internal: 71.4mm, Height: 35.46mm, Steps: 4mm
6. Light angle: 90°

Model：78-4

Optical Lens

1. Material: Optical glass (high borosilicate, K9, BK7, BK270)
2. Light transmission: 95% (97% after coating)
3. Refractive index: 1.474
4. Operating temperature: -50-500 degrees
5. Size introduction: External diameter: 78mm, Internal: 72mm, Height: 34mm, Steps: 4mm
6. Light angle: 90°

Model：78-22

Optical Lens

1. Material: Optical glass (high borosilicate, K9, BK7, BK270)
2. Light transmission: 95% (97% after coating)
3. Refractive index: 1.474
4. Operating temperature: -50-500 degrees
5. Size introduction: External diameter: 78mm, Internal: 72mm, Height: 26.13mm, Steps: 4mm
6. Light angle: 100°

Model：78-23

Optical Lens

1. Material: Optical glass (high borosilicate, K9, BK7, BK270)
2. Light transmission: 95% (97% after coating)
3. Refractive index: 1.474
4. Operating temperature: -50-500 degrees
5. Size introduction: External diameter: 78mm, Internal: 72mm, Height: 26.13mm, Steps: 4mm
6. Light angle: 120°

Model：78-24

Optical Lens

1. Material: Optical glass (high borosilicate, K9, BK7, BK270)
2. Light transmission: 95% (97% after coating)
3. Refractive index: 1.474
4. Operating temperature: -50-500 degrees
5. Size introduction: External diameter: 78mm, Internal: 72mm, Height: 40mm, Steps: 4mm
6. Light angle: 60°

Model：78-43

Optical Lens

1. Material: Optical glass (high borosilicate, K9, BK7, BK270)
2. Light transmission: 95% (97% after coating)
3. Refractive index: 1.474
4. Operating temperature: -50-500 degrees
5. Size introduction: External diameter: 78mm, Height: 27.6mm, Steps: 4mm
6. Light angle: 120°

Model：78-45

Optical Lens

1. Material: Optical glass (high borosilicate, K9, BK7, BK270)
2. Light transmission: 95% (97% after coating)
3. Refractive index: 1.474
4. Operating temperature: -50-500 degrees
5. Size introduction: External diameter: 78mm, Height: 27.6mm, Steps: 4mm
6. Light angle: 120°

Model：78-8

Optical Lens

1. Material: Optical glass (high borosilicate, K9, BK7, BK270)
2. Light transmission: 95% (97% after coating)
3. Refractive index: 1.474
4. Operating temperature: -50-500 degrees
5. Size introduction: External diameter: 78.5mm, Height: 73mm, Steps: 3.5mm
6. Light angle: 80°

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