66-312 30 mm Dia. L-BAL35 Precision Aspheric Lens; EFL=30mm; NA=0.5 Uncoated
- Type
- Lens
- Subtype
- Aspheric Lens
- Brand
- Edmund Optics
Properties
- Shape
- Circular
- Diameter
- 30 mm
- EFL
- 30 mm
- BFL
- 22.99 mm
- R1
- 18.51 mm
- R2
- 300 mm
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
66-312 30 mm Dia. L-BAL35 Precision Aspheric Lens; EFL=30mm; NA=0.5 Uncoated
The 66-312 is a high-precision aspheric lens offered by Edmund Optics, featuring a catalog number 66-312 and a diameter of 30 mm. This lens is designed with a numerical aperture (NA) of 0.5 and employs the L-BAL35 material from Ohara. The lens's geometry includes an inner radius of 0 mm, an outer radius of 0 mm, and a thickness of 4.81 mm at the edge.
The effective focal length (EFL) of this lens is 30 mm, and it boasts an aspheric shape with specific radii (r1 and r2) of 18.51 mm and 300 mm, respectively. The back focal length (BFL) is 22.99 mm, and the center thickness is 11.7 mm. The lens's design includes a conic constant (k1) of -0.622063, ensuring high-quality imaging and minimal aberrations.
This uncoated lens is intended for use with a wavelength of 587.6 nm. The front diameter, entrance pupil, and other related parameters (e, f, g, h, j, and l) are all 0 mm, indicating a straightforward integration into optical systems.
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