BI-ACHL-25-35-N1, 25mm Achromatic Lenses NIR I 600-1050nm, FL=35mm


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BI-ACHL-25-35-N1: 25mm Achromatic Lenses NIR I 600-1050nm, FL=35mm.

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: 15.00 ± 0.20 mm

Focal Length (EFL): 35 mm

Back Focal Length (BFL): 26.87 mm

Material: N-LAK22 / N-SF6

Coating Range: NIR I, 600–1050 nm

Surface Quality: 40-20 (scratch-dig)

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BI-ACHL-25-35-N1, 25mm Achromatic Lenses NIR I 600-1050nm, FL=35mm
BI-ACHL-25-35-N1, 25mm Achromatic Lenses NIR I 600-1050nm, FL=35mm