BI-ACHL-25-50-N2, 25mm Achromatic Lenses NIR II 750-1550nm, FL=50mm
BI-ACHL-25-60-N1, 25mm Achromatic Lenses NIR I 600-1050nm, FL=60mm
BI-ACHL-25-60-N2, 25mm Achromatic Lenses NIR II 750-1550nm, FL=60mm
BI-ACHL-25-75-N1, 25mm Achromatic Lenses NIR I 600-1050nm, FL=75mm
BI-ACHL-50-100-V, 50mm Achromatic Lenses MgF2 400-700nm, FL=100mm
BI-ACHL-50-150-V, 50mm Achromatic Lenses MgF2 400-700nm, FL=150mm
BI-ACHL-50-200-V, 50mm Achromatic Lenses MgF2 400-700nm, FL=200mm
BI-ACHL-50-250-V, 50mm Achromatic Lenses MgF2 400-700nm, FL=250mm
BI-ACHL-25-75-N2: 25mm Achromatic Lenses NIR II 750-1550nm, FL=75mm.
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 mm
Center Thickness: 10.00 ± 0.20 mm
Focal Length (EFL): 75 mm
Back Focal Length (BFL): 69.06 mm
Material: N-LAK22 / N-SF6
Coating Range: NIR II, 750–1550 nm
Surface Quality: 40-20 (scratch-dig)
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BI-ACHL-25-50-N2, 25mm Achromatic Lenses NIR II 750-1550nm, FL=50mm
BI-ACHL-25-60-N1, 25mm Achromatic Lenses NIR I 600-1050nm, FL=60mm
BI-ACHL-25-60-N2, 25mm Achromatic Lenses NIR II 750-1550nm, FL=60mm
BI-ACHL-25-75-N1, 25mm Achromatic Lenses NIR I 600-1050nm, FL=75mm
BI-ACHL-50-100-V, 50mm Achromatic Lenses MgF2 400-700nm, FL=100mm
BI-ACHL-50-150-V, 50mm Achromatic Lenses MgF2 400-700nm, FL=150mm
BI-ACHL-50-200-V, 50mm Achromatic Lenses MgF2 400-700nm, FL=200mm
BI-ACHL-50-250-V, 50mm Achromatic Lenses MgF2 400-700nm, FL=250mm