Model：78-17
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: 58.81mm, Height: 30mm, Steps:4mm
6. Light angle：125*80
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: 58.81mm, Height: 30mm, Steps:4mm
6. Light angle：125*80
1 条记录 1/1 页