49-795 25.4 mm Dia. N-BAK1/N-SF8 Achromatic Doublet; EFL=88.9mm VIS-NIR 400-1000nm
- Type
- Lens
- Subtype
- Multiplets
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25.4 mm
- EFL
- 88.9 mm
- R1
- 56.98 mm
- R2
- -40.06 mm
Material 1
- Name
- N-BAK1
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5746241031015316
- λ
- 550 nm
- B1
- 1.12365662
- C1
- 0.00644742752 μm2
- B2
- 0.309276848
- C2
- 0.0222284402 μm2
- B3
- 0.881511957
- C3
- 107.297751 μm2
Material 2
- Name
- N-SF8
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.6935844234114055
- λ
- 550 nm
- B1
- 1.55075812
- C1
- 0.0114338344 μm2
- B2
- 0.209816918
- C2
- 0.0582725652 μm2
- B3
- 1.46205491
- C3
- 133.24165 μm2
49-795 25.4 mm Dia. N-BAK1/N-SF8 Achromatic Doublet; EFL=88.9mm VIS-NIR 400-1000nm
The 49-795 is a high-quality achromatic doublet lens, boasting a 25.4 mm diameter and an effective focal length (EFL) of 88.9mm. This lens is specifically designed for use in the visible to near-infrared spectrum, covering the wavelength range of 400-1000nm.
The lens is composed of two elements, made from N-BAK1 and N-SF8 Schott glass. These materials are renowned for their excellent optical properties, contributing to the lens's high performance. The lens features a robust design, with a thickness of 8.07mm at the edge and 6mm at the center. The inner and outer radii are 0mm, indicating a symmetrical design.
The 49-795 lens comes with a broadband anti-reflection coating, specifically the EDM VIS-NIR 0SP2002000 coating. This coating is applied to both the front and back surfaces of the lens, reducing surface reflections and improving light transmission.
The lens is sourced from Edmund Optics, a leading manufacturer of optical components. According to the vendor's information, the lens is currently in stock and available for immediate purchase. The product's webpage provides further details and specifications, which can be accessed via the provided link.
