HO-BVL50-04 50mm Dia. N-BK7 Double-Concave Lens; EFL=-200mm Uncoated
- Type
- Lens
- Subtype
- Spherical Lens (Concave-Concave)
- Brand
- Holmarc Opto-Mechatronics
Properties
- Shape
- Circular
- Diameter
- 50 mm
- EFL
- -200 mm
- R1
- -209.58 mm
- R2
- 209.58 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-BVL50-04 50mm Dia. N-BK7 Double-Concave Lens; EFL=-200mm Uncoated
This is a HO-BVL50-04 50mm Dia. N-BK7 Double-Concave Lens, sourced from the reputable vendor 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 50mm and a center thickness of 2.5mm. The Effective Focal Length (EFL) is -200mm, indicating that it is a diverging lens. The first radius of curvature (R1) is -209.583664, and the second radius of curvature (R2) is 209.583664, both in millimeters. The Inner Radius and Outer Radius are both 0, suggesting a symmetrical lens design.
The lens is made of N-BK7 Schott, a popular material for optical elements due to its excellent optical properties. The wavelength for this lens is 587.6nm. The lens does not have any coating, as indicated in the item data.
For more information about this lens, including its availability and pricing, please refer to the vendor's website at https://www.holmarc.com/bi_concave_lenses.php. The link has been verified and is currently valid, indicating that the lens is in stock.