49-348-INK 20 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=30mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 20 mm
- EFL
- 30 mm
- R1
- 21.41 mm
- R2
- -13.75 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
49-348-INK 20 mm Dia. S-BAH11/N-SF10 Achromatic Doublet; EFL=30mm VIS-NIR 400-1000nm
The 49-348-INK is a high-quality achromatic doublet lens, designed and manufactured by Edmund Optics. This lens, with a diameter of 20 mm, is specifically engineered for use in the visible to near-infrared spectrum, spanning from 400 to 1000 nm. The lens boasts an effective focal length (EFL) of 30 mm, 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 for their optical properties, contributing to the lens's overall performance. The lens is coated with EDm VIS-NIR 0SP2002000 on both the front and back surfaces, further enhancing its capabilities.
The geometry of the lens is meticulously designed, with a thickness at the edge of 7.21 mm and a center thickness of 8.4 mm. The lens also features a central thickness 'a' of 1.76 mm. The radii of the lens surfaces are R1 = 21.41 mm, R2 = -13.75 mm, and R3 = -105.58 mm.
The lens is available in a multiplet shape, offering versatility and adaptability for various optical systems. The weblink provided leads to the product page on the Edmund Optics website, where users can find more detailed information, including pricing and availability.
