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Description
Letus35 138mm Circular Polarizer FilterHelps to Eliminate Reflections and Glare Reduces Haze and Blue Cast in Landscapes Greater Color and Tonal Saturation Index Scale for Repeatable Configuration Compatible with Matte Box Filter Trays High Grade German Optical Glass The Letus35 138mm Circular Polarizer Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non metallic surface. The light from the sun naturally becomes
- Helps to Eliminate Reflections and Glare
- Reduces Haze and Blue Cast in Landscapes
- Greater Color and Tonal Saturation
- Index Scale for Repeatable Configuration
- Compatible with Matte Box Filter Trays
- High Grade German Optical Glass
The Letus35 138mm Circular Polarizer Filter helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. The light from the sun naturally becomes partially polarized due to reflecting off electrons in air molecules, causing the light to scatter into what appears as haze. A polarizing filter arranges, and filters, this directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of this light. This results in a noticeable reduction of glare and reflections from non-metallic surfaces and an increase in the saturation of skies and foliage.
A circular polarizer only differs from a linear polarizer in that it contains a quarter wave plane in addition to the linear polarizing filter. The addition of this quarter wave plane is to circularly polarize the linearly polarized light for the use of auto focus and exposure functions. Due to how the light is broken down and filtered with a linear polarizer, auto focus and exposure accuracy become skewed during use. When the light becomes circularly polarized, it permits the use of these functions.
This filter measures 138mm in diameter and features a threadless design for use in filter trays such as those in matte boxes. Around the filter ring are index markings which allow for repeatable configurations without having to look through the lens. Letus filters are made from high grade German optical glass for superb image quality and clarity.
- Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.
- Polarizing filters arrange, and filter, directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of the light.
- Clears up haze in distant landscapes and provides more saturated, vivid colors.
- Strongest effect when used at a 90� from the sun.
- Circular polarizers are ideal for use with digital cameras and autofocus lenses where a linear polarizer will often disrupt auto exposure and focus features.
- Designed for use in 138mm round filter trays, such as those in matte boxes.
- Indexed markings on filter ring allow repeatable configurations.
- 1-Year Limited Warranty
| Filter Type | Circular Polarizer |
| Filter Factor | 2.5 (1.3 Stop) |
| Shape | Circle |
| Circular Size | 138 mm |
| Rotating | Yes |
| Front Accessory Thread / Bayonet | Unthreaded |
| Filter Material | Glass |
| Packaging Info | |
|---|---|
| Package Weight | 1.0 lb |
| Box Dimensions (LxWxH) | 7.0 x 7.0 x 2.0" |
Shipping Notes
- Free Standard Shipping on $100+ Orders to the USA.
- Except Preorder products are shipped in 48 hours.
- Delivery to the USA:
- Standard Shipping : 3-10 business days
- If time is of the essence, please consider selecting expedited delivery for faster service.
Exchange/Return Notes
- We offer a 30-day return/exchange service after receiving.
- Final sale items are not eligible for returns or exchanges.
- To process your return/exchange, please contact us at [email protected]
- Please click here for more details>>> Return & Exchange Policy