32-321 25 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=40mm MgF2 400-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 40 mm
- R1
- 27.97 mm
- R2
- -18.85 mm
Material 1
- Name
- S-BAH11
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6696557498333158
- λ
- 550 nm
- B1
- 1.5713886
- C1
- 0.00910807936 μm2
- B2
- 0.147869313
- C2
- 0.0402401684 μm2
- B3
- 1.28092846
- C3
- 130.399367 μm2
Material 2
- Name
- N-SF10
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.7336618876174243
- λ
- 550 nm
- B1
- 1.62153902
- C1
- 0.0122241457 μm2
- B2
- 0.256287842
- C2
- 0.0595736775 μm2
- B3
- 1.64447552
- C3
- 147.468793 μm2
32-321 25 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=40mm MgF2 400-700nm
The 32-321 is a high-quality achromatic doublet lens, sourced from the renowned optical vendor, Edmund Optics. This lens is designed with a base shape of 25 mm diameter and a focal length of 40mm, making it suitable for a wide range of optical applications.
The lens is composed of two elements: S-BAH11 from Ohara and N-SF10 from Schott. These materials are carefully selected to minimize chromatic aberration, a common issue in optical systems. The S-BAH11 is a borosilicate glass with high Abbe number, reducing dispersion and improving color correction. The N-SF10 is a dense fluorite crown glass, known for its excellent transmittance and low auto-fluorescence.
The lens features a standard MgF2 coating on both the front and back surfaces. This coating enhances the lens's light transmission capabilities, particularly in the 400-700nm spectrum, and provides protection against environmental factors.
The geometry of the lens is meticulously designed, with a central thickness of 9.5mm, an edge thickness of 8.54mm, and inner and outer radii of 0mm. The lens also has a unique curvature, with radii of 27.97mm, -18.85mm, and -152.94mm, contributing to its superior optical performance.
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