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        Model:78-3
        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
        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
        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
        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
        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
        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
        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
        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°
        8 条记录 1/1 页
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