Product Descriptions:
| Characteristics: | Circular Polarizer Filter Glass |
| Product description: | CPL Polarizer Filters +Optical Glass |
| Degree of polarization: | >=90% |
| Shape: | Round |
| Color: | Grey |
| Cutting angle： | 0°/45°/90°/135° or specified. |
| Surface Quality: | 60/40 |
| Dimension(mm): | Customized |
| Thickness(mm): | CPL filter thickness: 0.13、0.14、0.15、0.2、0.3、0.33、0.33mm…etc. Optical Glass thickness: 0.21、0.3、0.55、0.7、1.0、1.1、1.5、1.8、2.0、3.0mm…etc. |
| Substrate: | Polarizer: TVA+TAC Optical Glass w/o or w/ AR coating |
| Remark：Support customized for specified shape CPL filters. | |
What is a Circular Polarizer (CPL) Filter?
- A Circular Polarizer (CPL) filter is an optical device composed of a linear polarizer laminated with a quarter-wave retarder , with the fast axis of the retarder oriented at 45° relative to the transmission axis of the linear polarizer. It is a camera filter that screws onto the front of a lens. and Its primary function is to reduce glare and reflections from non-metallic surfaces like water and glass, deepen the blue of the sky, and increase color saturation in your photos.
- However, due to the relatively thin thickness of the polarizer, it is usually used in combination with two ordinary optical glass plates or a filter coated with an anti-reflection (AR) layer, the CPL polarizing filter is sandwiched in the middle. The production pictures in this link how how this product look like.
What is typical application for Circular Polarizer (CPL) Filters?
- A Circular Polarizer (CPL) Filters are primarily used in outdoor photography to reduce unwanted reflections from non-metallic surfaces such as water, glass, and foliage. Additionally, They also deepen blue skies and enhance color saturation by cutting through atmospheric haze. .
The company introduced advanced optical technology that apply depositing nano-materials through ion-assisted evaporation onto a multilayer hard film in a high vacuum environment which coating layer is firm and has good tightness, and small bandwidth drift. Liyuan optoelectronics have been focus on optical coating for more than 17 years and offer one-stop optical filters solution including: Narrow Bandpass Filters, IR cut-off Filters, Longpass & Short Filters, Notch Filters, ND filters, Star filters, Optical sapphire block, Optical sapphire, Polarizer and Color Filter.
