HO-BVL25-12C 25mm Dia. N-BK7 Double-Concave Lens; EFL=-300mm Single Layer MgF2
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Holmarc Opto-Mechatronics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- -300 mm
- R1
- -313.48 mm
- R2
- 313.48 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-BVL25-12C 25mm Dia. N-BK7 Double-Concave Lens; EFL=-300mm Single Layer MgF2
This is the HO-BVL25-12C 25mm Dia. N-BK7 Double-Concave Lens, a high-quality optical component sourced from Holmarc Opto-Mechatronics. The lens is a Spherical Lens of the Sub Type Spherical Lens (Concave-Concave), with a base shape of Circular.
The lens has a diameter of 25mm and a center thickness of 2.5mm. The Effective Focal Length (EFL) is -300mm, indicating that it is a double-concave lens. The first radius of curvature (R1) is -313.48273, and the second radius of curvature (R2) is 313.48273. The Inner Radius and Outer Radius are both 0, indicating a symmetrical lens.
The lens is made of N-BK7 Schott, a popular optical glass known for its excellent optical properties. It is designed to work with a wavelength of 587.6nm. The lens features a single layer of MgF2 coating on both the front and back, providing improved light transmission and reduced reflection.
This lens is available for purchase from the Holmarc Opto-Mechatronics website, and the link provided indicates that it is currently in stock.
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