65-973 12.5 mm Dia. N-FK5/F2HT Achromatic Doublet; EFL=40mm UV-VIS 345-700nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 12.5 mm
- EFL
- 40 mm
- R1
- 24.47 mm
- R2
- -19.17 mm
Material 1
- Name
- N-FK5
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.4889720412922705
- λ
- 550 nm
- B1
- 0.844309338
- C1
- 0.00475111955 μm2
- B2
- 0.344147824
- C2
- 0.0149814849 μm2
- B3
- 0.910790213
- C3
- 97.8600293 μm2
Material 2
- Name
- F2HT
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6236551229276037
- λ
- 550 nm
- B1
- 1.34533359
- C1
- 0.00997743871 μm2
- B2
- 0.209073176
- C2
- 0.0470450767 μm2
- B3
- 0.937357162
- C3
- 111.886764 μm2
65-973 12.5 mm Dia. N-FK5/F2HT Achromatic Doublet; EFL=40mm UV-VIS 345-700nm
The 65-973 is a high-quality achromatic doublet lens, boasting a 12.5 mm diameter and an effective focal length of 40mm. This lens is designed for use in the ultraviolet to visible light spectrum, specifically covering the range of 345-700nm.
The lens is composed of two elements, made from N-FK5 and F2HT Schott glass, respectively. These materials are known for their excellent optical properties, contributing to the lens's high performance. The lens features a standard UV-VIS coating on both the front and back surfaces, further enhancing its light transmission capabilities.
The lens geometry is carefully designed, with an inner radius of 0mm and an outer radius of 0mm. The edge thickness is 4.3mm, while the center thickness is 3.5mm. The lens also features a central thickness 'a' of 2mm, providing additional design flexibility.
This lens is sourced from Edmund Optics, a leading provider of optical components. The catalog number 65-973 can be used to reference this specific lens in their catalog. The lens's web link is provided, leading to the product page on the Edmund Optics website, where users can find more detailed information, including pricing and availability.
