Optics – Page 490

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3X, VIS Draconis Broadband Beam Expander

3X, VIS-NIR Vega Broadband Beam Expander

3μm λ/2 MWIR Zero Order Waveplate

3μm λ/4 MWIR Zero Order Waveplate

4 OD 12.5mm Dia, Absorptive ND Filter

4 OD 25mm Dia, Absorptive ND Filter

4 OD 50mm Dia, Absorptive ND Filter

4 OD 50mm Sq., Absorptive ND Filter

4 OD, 12.5mm Dia., NIR I Coated, Absorptive ND Filter

4 OD, 12.5mm Dia., NIR II Coated, Absorptive ND Filter

4 OD, 12.5mm Dia., VIS 0° Coated, Absorptive ND Filter

4 OD, 25mm Dia., NIR I Coated, Absorptive ND Filter

4 OD, 25mm Dia., NIR II Coated, Absorptive ND Filter

4 OD, 25mm Dia., VIS 0° Coated, Absorptive ND Filter

4 OD, 50mm Dia., NIR I Coated, Absorptive ND Filter

4 OD, 50mm Dia., NIR II Coated, Absorptive ND Filter

4 OD, 50mm Dia., VIS 0° Coated, Absorptive ND Filter

4 x 4 x 10mm, 1064nm SHG, Type I LBO Nonlinear Crystal

4:1 Magnification Ratio Donder Zoom Module

4.0 OD 100 x 300mm, Neutral Density Filter

4.0 OD 12.5mm Dia., NIR ND Filter

4.0 OD 25mm Dia., NIR ND Filter

4.0 OD 50mm Dia., NIR ND Filter

4.0 OD 75 x 75mm Neutral Density Filter