BI-ACHL-25-40-N1, 25mm Achromatic Lenses NIR I 600-1050nm, FL=40mm
BI-ACHL-25-40-N2, 25mm Achromatic Lenses NIR II 750-1550nm, FL=40mm
BI-ACHL-25-45-N1, 25mm Achromatic Lenses NIR I 600-1050nm, FL=45mm
BI-ACHL-25-45-N2, 25mm Achromatic Lenses NIR II 750-1550nm, FL=45mm
BI-ACHL-25.4-38.1-V, 25.4mm Achromatic Lenses MgF2 400-700nm, FL=38.1mm
BI-ACHL-25.4-50.8-V, 25.4mm Achromatic Lenses MgF2 400-700nm, FL=50.8mm
BI-ACHL-25.4-63.5-V, 25.4mm Achromatic Lenses MgF2 400-700nm, FL=63.5mm
BI-ACHL-25.4-76.2-V, 25.4mm Achromatic Lenses MgF2 400-700nm, FL=76.2mm
BI-ACHL-25.4-88.9-V: 25.4mm Achromatic Lenses MgF2 400-700nm, FL=88.9mm.
Achromatic doublets cement a crown and a flint glass element together, so that two wavelengths share one focus. This reduces chromatic and spherical aberration, giving a much tighter spot than a single lens over a broad band.
Type: Achromatic Doublet Lens
Diameter: 25.4 mm
Center Thickness: 10.00 ± 0.20 mm
Focal Length (EFL): 88.9 mm
Back Focal Length (BFL): 83.96 mm
Material: N-BAK1 / N-SF8
Coating Range: MgF2, 400–700 nm
Surface Quality: 40-20 (scratch-dig)
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BI-ACHL-25-40-N1, 25mm Achromatic Lenses NIR I 600-1050nm, FL=40mm
BI-ACHL-25-40-N2, 25mm Achromatic Lenses NIR II 750-1550nm, FL=40mm
BI-ACHL-25-45-N1, 25mm Achromatic Lenses NIR I 600-1050nm, FL=45mm
BI-ACHL-25-45-N2, 25mm Achromatic Lenses NIR II 750-1550nm, FL=45mm
BI-ACHL-25.4-38.1-V, 25.4mm Achromatic Lenses MgF2 400-700nm, FL=38.1mm
BI-ACHL-25.4-50.8-V, 25.4mm Achromatic Lenses MgF2 400-700nm, FL=50.8mm
BI-ACHL-25.4-63.5-V, 25.4mm Achromatic Lenses MgF2 400-700nm, FL=63.5mm
BI-ACHL-25.4-76.2-V, 25.4mm Achromatic Lenses MgF2 400-700nm, FL=76.2mm