HO-BVL25-1.6 25mm Dia. N-BK7 Double-Concave Lens; EFL=-40mm Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Holmarc Opto-Mechatronics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- -40 mm
- R1
- -42.77 mm
- R2
- 42.77 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
HO-BVL25-1.6 25mm Dia. N-BK7 Double-Concave Lens; EFL=-40mm Uncoated
This is a HO-BVL25-1.6 25mm Dia. N-BK7 Double-Concave Lens, a high-quality optical component sourced from Holmarc Opto-Mechatronics. The lens is uncoated and features a base shape of a circle, with a diameter of 25mm and a center thickness of 2.5mm.
The lens has a double-concave geometry, with the first radius of curvature (R1) at -42.771859 and the second radius of curvature (R2) at 42.771859. The effective focal length (EFL) of this lens is -40mm, making it a powerful tool for focusing or diverging light.
The lens is made of N-BK7, a type of glass commonly used in optical systems due to its excellent optical properties. The wavelength for this lens is 587.6nm. The lens is spherical in shape, a common choice for its ease of manufacturing and good optical performance.
The lens is currently in stock and available for purchase. For more information, please refer to the vendor's website at https://www.holmarc.com/bi_concave_lenses.php.