45-271 50 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=500mm MgF2 400-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- 500 mm
- R1
- 305.74 mm
- R2
- -223.2 mm
Material 1
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5185223876207927
- λ
- 550 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
Material 2
- Name
- N-SF5
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6771143911586193
- λ
- 550 nm
- B1
- 1.52481889
- C1
- 0.011254756 μm2
- B2
- 0.187085527
- C2
- 0.0588995392 μm2
- B3
- 1.42729015
- C3
- 129.141675 μm2
45-271 50 mm Dia. N-BK7/N-SF5 Achromatic Doublet; EFL=500mm MgF2 400-700nm
The 45-271 is a high-quality achromatic doublet lens, sourced from the renowned optical components vendor, Edmund Optics. This lens is specifically designed for use in the 400-700nm wavelength range, making it suitable for a wide array of optical applications.
The lens features a 50mm diameter and an effective focal length (EFL) of 500mm, providing a substantial working distance for your optical setup. The achromatic design, which combines N-BK7 and N-SF5 glass types, effectively minimizes chromatic aberration, ensuring sharp and clear imaging.
The lens is coated with MgF2, a standard coating that offers excellent transmission properties in the visible spectrum. This coating enhances the lens's light-gathering capabilities, reducing unwanted reflections and improving overall image quality.
The geometry of the lens includes a center thickness of 8mm, with an edge thickness of 10.51mm, providing robustness and durability. The lens's design also includes a 305.74mm radius of curvature for the first surface and a -223.2mm radius for the second surface, with a third surface having a -663.82mm radius.
