HO-BVL25-08B 25mm Dia. N-BK7 Double-Concave Lens; EFL=-200mm BBAR 400-700nm
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Holmarc Opto-Mechatronics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- -200 mm
- R1
- -209.2 mm
- R2
- 209.2 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-BVL25-08B 25mm Dia. N-BK7 Double-Concave Lens; EFL=-200mm BBAR 400-700nm
This is a HO-BVL25-08B 25mm diameter N-BK7 double-concave lens, featuring an effective focal length (EFL) of -200mm and broadband anti-reflection (BBAR) coating optimized for the 400-700nm wavelength range. The lens is sourced from Holmarc Opto-Mechatronics, a reputable vendor in the optical industry.
The lens is a Spherical type, specifically a Spherical Lens with a Concave-Concave base shape. It has a circular geometry with a 25mm diameter and a 2.5mm center thickness. The lens's inner and outer radii are both 0, and its radii of curvature are -209.20156mm for the first surface and 209.20156mm for the second surface.
The lens is made of N-BK7 Schott glass, a popular material known for its excellent optical properties. The BBAR coating on both the front and back surfaces enhances the lens's performance by minimizing surface reflections, thereby increasing transmission within the specified wavelength range.
This double-concave lens is an ideal choice for various applications requiring high-quality optical performance and precise light control. Its detailed specifications make it a versatile component for researchers, engineers, and optical designers seeking to incorporate it into their systems or projects.