49-104 25 mm Dia. L-BAL35 Precision Aspheric Lens; EFL=37.5mm; NA=0.33 BBAR 425-675nm
- Type
- Lens
- Subtype
- Aspheric Lens
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 25 mm
- EFL
- 37.5 mm
- BFL
- 33.72 mm
- R1
- 22.09 mm
- R2
Material
- Name
- L-BAL35
- Dispersion Equation
- Sellmeier
- n (λ)
- 1.5891276536746055
- λ
- 587.6 nm
- B1
- 1.1626263
- C1
- 0.0125957437 μm2
- B2
- 0.325661051
- C2
- -0.0032691105 μm2
- B3
- 1.35132486
- C3
- 119.214596 μm2
49-104 25 mm Dia. L-BAL35 Precision Aspheric Lens; EFL=37.5mm; NA=0.33 BBAR 425-675nm
The 49-104 is a high-precision aspheric lens, boasting a 25 mm diameter and a numerical aperture of 0.33. This lens is designed using the L-BAL35 material from Ohara, a renowned manufacturer of optical glass. The lens is specifically engineered for use in the visible spectrum, with a wavelength of 587.6 nm.
The lens geometry is meticulously crafted, with an inner radius of 0 mm and an outer radius of 0 mm. The lens has a thickness of 2.3 mm at the edge and 6 mm at the center. The effective focal length (EFL) is 37.5 mm, and the back focal length (BFL) is 33.72 mm. The lens features a conic constant of -2.271309, further enhancing its optical performance.
The 49-104 lens is coated with BBAR (Broadband Anti-Reflection) coating, which is effective in the 425-675 nm range. This coating significantly reduces surface reflections, thereby improving transmission and image quality. The lens is sourced from Edmund Optics, a leading supplier of optical components, and is currently in stock, ensuring quick delivery.
