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    CUSTOM OPTICS
     
     
     
     
       
       
       

    Variable Density Filter
    Product Information :

    Size: ..........................................................φ50 x 2mm (ID:φ7.5)
    Tolerance: OD:.........................................................+0/-0.25mm
    ID: .........................................................+0.25/-0mm
    Thk: ...........................................................±0.25mm
    Coating Radial Angle: ..........................................................±1o
    Spectral Range: .......................................................380-1200nm
    Coating: ...........................................................ND at Front Face
    Flatness: ..............................................................λ/2@632.8nm
    S/D: ................................................................................60-40
    Wedge: .....................................................................<3 arc min.
    Optical Density Tolerance:..........................±5% (At Both Extremes)
    Linearity of Density: ..........................................................±5%
    Chamfer: .................................................................0.2 x 0.2mm
    Gradient Direction: .............................................Counterclockwise


       
       
     
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