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              | BI-CONCAVE LENSES | 
             
            
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              | Specification | 
             
            
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              Material: | 
              N-BK7 or Click this to Glass List | 
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              Dimension Tolerance: | 
              +0 / -0.05mm | 
             
            
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              Foci Tolerance: | 
              ±1% | 
             
            
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              Center Thickness Tolerance: | 
              ±0.05mm | 
             
            
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              Centeration Deviation: | 
              2' | 
             
            
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              Surface Figure: | 
              λ/4@632.8nm | 
             
            
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              Surface Quality: | 
              40 / 20 | 
             
            
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              Bevel: | 
              0.25 × 45° | 
             
            
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              Clear Aperture: | 
              >90% | 
             
            
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              Coating: | 
              Specified by customer | 
             
            
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                    |   | 
                    PRODUCTS LIST | 
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               Part No. | 
              BFL [ mm ] | 
              Dia [ mm ] | 
              Radius [ mm ] | 
              EFL [ mm ] | 
              tc [ mm ] | 
              te [ mm ] | 
             
            
               SSL-RO-BIE-001 | 
              -15.7  | 
              12.7  | 
              14.11  | 
              -15.0  | 
              2.0  | 
              5.0  | 
             
            
               SSL-RO-BIE-002 | 
              -20.7  | 
              12.7  | 
              18.71  | 
              -20.0  | 
              2.0  | 
              4.2  | 
             
            
               SSL-RO-BIE-003 | 
              -25.7  | 
              12.7  | 
              23.32  | 
              -25.0  | 
              2.0  | 
              3.7  | 
             
            
               SSL-RO-BIE-004 | 
              -30.7  | 
              12.7  | 
              27.92  | 
              -30.0  | 
              2.0  | 
              3.5  | 
             
            
               SSL-RO-BIE-005 | 
              -40.7  | 
              12.7  | 
              37.12  | 
              -40.0  | 
              2.0  | 
              3.1  | 
             
            
               SSL-RO-BIE-006 | 
              -25.7  | 
              25.4  | 
              23.32  | 
              -25.0  | 
              2.0  | 
              9.5  | 
             
            
               SSL-RO-BIE-007 | 
              -35.7  | 
              25.4  | 
              32.52  | 
              -35.0  | 
              2.0  | 
              7.2  | 
             
            
               SSL-RO-BIE-008 | 
              -50.7  | 
              25.4  | 
              46.32  | 
              -50.0  | 
              2.0  | 
              5.6  | 
             
            
               SSL-RO-BIE-009 | 
              -75.7  | 
              25.4  | 
              69.33  | 
              -75.0  | 
              2.0  | 
              4.3  | 
             
            
               SSL-RO-BIE-010 | 
              -100.7  | 
              25.4  | 
              92.33  | 
              -100.0  | 
              2.0  | 
              3.8  | 
             
            
               SSL-RO-BIE-011 | 
              -150.7  | 
              25.4  | 
              138.34  | 
              -150.0  | 
              2.0  | 
              3.2  | 
             
            
               SSL-RO-BIE-012 | 
              -200.7  | 
              25.4  | 
              184.35  | 
              -200.0  | 
              2.0  | 
              2.9  | 
             
            
               SSL-RO-BIE-013 | 
              -250.7  | 
              25.4  | 
              230.36  | 
              -250.0  | 
              2.0  | 
              2.7  | 
             
            
               SSL-RO-BIE-014 | 
              -300.7  | 
              25.4  | 
              276.36  | 
              -300.0  | 
              2.0  | 
              2.6  | 
             
            
               SSL-RO-BIE-015 | 
              -500.7  | 
              25.4  | 
              460.40  | 
              -500.0  | 
              2.0  | 
              2.4  | 
             
            
               SSL-RO-BIE-016 | 
              -1000.7  | 
              25.4  | 
              920.48  | 
              -1000.0  | 
              2.0  | 
              2.2  | 
             
            
               SSL-RO-BIE-017 | 
              -51.0  | 
              38.0  | 
              46.48  | 
              -50.0  | 
              3.0  | 
              11.1  | 
             
            
               SSL-RO-BIE-018 | 
              -101.0  | 
              38.0  | 
              92.49  | 
              -100.0  | 
              3.0  | 
              6.9  | 
             
            
               SSL-RO-BIE-019 | 
              -151.0  | 
              38.0  | 
              138.50  | 
              -150.0  | 
              3.0  | 
              5.6  | 
             
            
               SSL-RO-BIE-020 | 
              -201.0  | 
              38.0  | 
              184.50  | 
              -200.0  | 
              3.0  | 
              5.0  | 
             
            
               SSL-RO-BIE-021 | 
              -351.0  | 
              38.0  | 
              322.53  | 
              -350.0  | 
              3.0  | 
              4.1  | 
             
            
               SSL-RO-BIE-022 | 
              -501.0  | 
              38.0  | 
              460.55  | 
              -500.0  | 
              3.0  | 
              3.8  | 
             
           
          
            
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              | Note: | 
             
            
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              | 1. | 
              More question and require please contact to our sales engineer: | 
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              | 2. | 
              Download this optical products catalogue please click: | 
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              | 3. | 
              Explain for optical  specification please click: | 
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              | 4. | 
              Choosing and download optics glass data sheet by PDF file please click: | 
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              | Our Promise: | 
             
            
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              |  • 24 Hours Reply | 
              Reply the Email within 24hours [ work day ]. | 
             
            
              |  • 48 Hours Reply | 
              Provide the Quoation list within 48hours [ work day ]. | 
             
            
              | • No Mini Order | 
              No minimum quantity per order. | 
             
            
              | • Fast Delivery | 
              Fast and Exact delivery time for products. | 
             
            
              | • Best Quality | 
              Best quality depend on best quality material, high-tech and carefully test. | 
             
            
              | • Safe Delivery | 
              Profession and multi-protection packing for safe delivery. | 
             
            
              | • Safe Transaction | 
              15Years working for develop laser products, never leave or stop. | 
             
           
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