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45 mm N-BK7 Biconcave Lens, AR Coated
Explore our double-concave N-BK7 lens for projection and beam expansion applications, customizable for your needs.
Core attributes
- Material
- N-BK7
- Shape
- Biconcave
- Diameter
- 45 mm
- Thickness
- 0.1 mm
- Coating
- anti-reflective (AR)
- Transmission bands
- NIR (0.7-1.7 μm), VIS (400-700 nm)
Product facts
Key attributes
- Material
- N-BK7
- Shape
- Biconcave
- Diameter
- 45 mm
- Thickness
- 0.1 mm
- Coating
- anti-reflective (AR)
- Transmission bands
- NIR (0.7-1.7 μm), VIS (400-700 nm)
Product description
The double-concave lens made from N-BK7 is designed for applications in projection, beam expansion, and image reduction across a wavelength range of 0.7-1.7 μm and 400-700 nm. Its unique shape allows for the expansion of focal lengths, making it an essential component for optical systems requiring precise light manipulation. With customizable options available, this lens meets various project specifications while ensuring high performance and reliability.
Key Features
- Diameter of 45.0 mm, suitable for standard optical setups.
- Thickness range from 0.1 mm to 100.0 mm, adaptable for various applications.
- Clear aperture between 85% and 95%, ensuring optimal light transmission.
- Flatness tolerance of 1/4 lambda for enhanced image quality.
- Customizable support for OEM, ODM, and OBM projects.
Applications
Projection
Specification Summary
| Item | Value |
|---|---|
| Material | N-BK7 |
| Shape | Biconcave |
| Diameter | 45 mm |
| Thickness | 0.1 mm |
| Coating | anti-reflective (AR) |
| Transmission bands | NIR (0.7-1.7 μm), VIS (400-700 nm) |
Full Specifications
| Parameter | Value |
|---|---|
| Type | double concave lens; Concave lens |
| Customized Support | OEM, ODM, OBM |
| Warranty | 3 Years |
| Weight | 0.5 |
| Color | Transparent |
| Clear Aperture | 85% ~95% |
| Flatness | 1/4lambda |
FAQ
What are the thickness tolerances for this lens?
The thickness tolerance is +/-0.1 mm.
Can I get a custom size for this lens?
Yes, custom sizes can be accommodated from 10 mm to 300 mm in diameter.
Product inquiry
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