45-171 50mm Dia. x 250mm FL Uncoated; Double-Convex Lens
- Type
- Lens
- Subtype
- Spherical Lens (Convex-Convex)
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- 250 mm
- BFL
- 248.37 mm
- R1
- 257.57 mm
- R2
- -257.57 mm
Material
- Name
- N-BK7
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5167984379050088
- λ
- 587.6 nm
- B1
- 1.03961212
- C1
- 0.00600069867 μm2
- B2
- 0.231792344
- C2
- 0.0200179144 μm2
- B3
- 1.01046945
- C3
- 103.560653 μm2
45-171 50mm Dia. x 250mm FL Uncoated; Double-Convex Lens
The 45-171 is a 50mm diameter, double-convex lens with a 250mm focal length, sourced from the renowned optical vendor, Edmund Optics. This lens, with its spherical geometry, is designed for use in a wide range of optical applications.
The lens is fabricated from N-BK7 Schott, a popular optical glass due to its excellent optical properties and versatility. The base shape of the lens is circular, with a thickness of 2.5mm at the edge and 4.93mm at the center. The effective focal length (EFL) is 250mm, making it suitable for applications requiring a longer focal length.
The lens's first radius of curvature (R1) is 257.57mm, while the second radius of curvature (R2) is -257.57mm, indicating its double-convex nature. The back focal length (BFL) is 248.37mm. The lens does not have any coating, as indicated by the empty 'coating' field in the item data, which may make it suitable for applications where coating is not required or desirable.
The item data also indicates that this lens is in stock, as of the time of data collection. The vendor's website link is provided for users who wish to learn more about this product or make a purchase.