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The Hoya 77mm HD MkII CIR-PL 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 is constructed from optical glass for clarity as well as color fidelity and features a thin, aluminum-alloy filter ring that can be rotated to adjust the intensity of the polarization effect. To prevent internal ghosting and reflections, eight layers of anti-reflection multi-coatings are applied to the filter's glass. These coatings also offer greater protection to the filter substrate and help it to stay clean for longer than with uncoated filters.
Key Features of the Hoya 77mm HD MkII CIR-PL Filter
Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.
Arranges, and filters, 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° angle from the sun.
Ideal for use with digital cameras and auto focus lenses where a linear polarizer will often disrupt auto exposure and focus features.
2x filter factor reduces exposure by 1 stop.
Constructed from optical glass for clarity and color fidelity.
Eight layers of anti-reflective multi-coating help prevent internal ghosting and reflections.
Thin and durable aluminum-alloy filter ring minimizes the potential for vignetting when used with wide-angle lenses.
Filter ring can be rotated to adjust the intensity of the polarization effect.
The Hoya 77mm HD MkII CIR-PL 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 is constructed from optical glass for clarity as well as color fidelity and features a thin, aluminum-alloy filter ring that can be rotated to adjust the intensity of the polarization effect. To prevent internal ghosting and reflections, eight layers of anti-reflection multi-coatings are applied to the filter's glass. These coatings also offer greater protection to the filter substrate and help it to stay clean for longer than with uncoated filters.
Key Features of the Hoya 77mm HD MkII CIR-PL Filter
Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.
Arranges, and filters, 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° angle from the sun.
Ideal for use with digital cameras and auto focus lenses where a linear polarizer will often disrupt auto exposure and focus features.
2x filter factor reduces exposure by 1 stop.
Constructed from optical glass for clarity and color fidelity.
Eight layers of anti-reflective multi-coating help prevent internal ghosting and reflections.
Thin and durable aluminum-alloy filter ring minimizes the potential for vignetting when used with wide-angle lenses.
Filter ring can be rotated to adjust the intensity of the polarization effect.
What is the size of the HOYA 77mm CIRC-POL HD MkII Filter?
The HOYA 77mm CIRC-POL HD MkII Filter has a diameter of 77mm, which is the standard size for most DSLR cameras.
What does the "CIRC-POL" stand for?
CIRC-POL is short for circular polarizer, which refers to the type of filter that blocks certain polarized light from entering the camera lens.
Is the filter compatible with all types of lenses?
The filter is compatible with lenses that have a 77mm filter thread. It is important to check the thread size of your lens before purchasing the filter.
What does the "HD MkII" mean?
The "HD MkII" indicates that this filter is the second version of the HOYA high-definition series. It features improved optical performance and durability compared to the first version.
Can I stack this filter with other filters?
Yes, the slim profile design of the filter allows it to be stacked with other filters without causing any vignetting or image distortion.
What are the benefits of using a circular polarizing filter?
A circular polarizing filter can help reduce glare and reflections on non-metallic surfaces, improve color saturation, and enhance overall image quality. It is also useful for adding contrast and depth to outdoor landscapes.
How do I adjust the amount of polarization?
The HOYA 77mm CIRC-POL HD MkII Filter has a rotating ring that allows you to adjust the amount of polarization. Simply rotate the ring until you achieve the desired effect.
Is the filter waterproof or weather sealed?
The filter is not waterproof or weather sealed, although it is designed to withstand some moisture and dirt. It is recommended to take precautions and protect it from extreme weather conditions.
Does the filter come with a protective case?
Yes, the filter comes with a protective case to keep it safe when not in use. It is also recommended to keep the filter stored in the case when carrying it around.
What is the warranty for this product?
The HOYA 77mm CIRC-POL HD MkII Filter comes with a one year limited warranty from the date of purchase. Please refer to the product manual or the manufacturer's website for more details on the warranty coverage and process.
