Cokin
Cokin EVO CV164B-95A P Series EVO 95mm Circular Polarising Filter & Case (UK)new
Cokin EVO CV164B-95A P Series EVO 95mm Circular Polarising Filter & Case (UK)new
This Cokin Evo Circular Polariser Filter is designed for use with an Evo Aluminum P Series Filter Holder's front plate, or it can be placed directly on a lens that features 95mm front filter threads. When applied, it 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 polarising filter arranges, and filters, this directionally polarised 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. · Compatible with a Cokin Evo Aluminum P Series Filter Holder's front plate or a lens that features 95mm front filter threads. · Helps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface. · Polarising filters arrange, and filter, directionally polarised 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. · 16-layer Cokin EVERCLEAR 5 multi-coating prevents internal ghosting and reflections; is oil, dust, dirt, as well as scratch resistant; and provides an improved beading effect with water for more efficient cleaning. · Approximately 45% average light transmission. · 2x filter factor reduces exposure by 1 stop. · Constructed from Schott glass for optical clarity. · Slim, 7.50mm-thick, aluminum-alloy filter ring assembly helps to prevent vignetting, while remaining lightweight. · Side knurling to provide a more textured grip when mounting or removing from a lens, as well as when rotating the front filter ring to adjust the intensity of the polarisation effect. · 95mm front filter threads allow for use with other filters. · Plastic case for storage and transport. What’s Included? Specification Filter Type Circular Polariser Filter Factor 2x (1-Stop) Circular Size 95 mm Filter Thread Rotating Yes Front Accessory Thread / Bayonet 95 mm Coatings Multi-Coating Physical Features Slim Filter Thickness 0.3" / 7.5 mm Filter Material Glass Ring Material Aluminum Package Weight 0.28 lb Box Dimensions (LxWxH) 5.95 x 4.85 x 0.65"
A circular polariser differs from a linear polariser in that it contains a quarter wave plane in addition to the linear polarizing filter. Due to how the light is broken down and filtered with a linear polariser, auto focus and exposure accuracy become skewed during use. When the light becomes circularly polarised, it permits the use of these functions.
Cokin Evo circular polariser filters are constructed from Schott glass for increased optical clarity as well as color fidelity, and promote nearly flat attenuation of visible and UV light. This 95mm Evo circular polariser filter features a durable, lightweight, 7.50mm-thick aluminum-alloy filter ring assembly with a front ring that can be rotated to adjust the intensity of the polarisation effect. These rings minimise the potential for vignetting, and the front ring also includes corresponding 95mm front filter threads for use with other screw-on filters.
To help eliminate internal ghosting and reflections, each glass surface of the 95mm Evo Circular Polariser Filter features 16 layers of Cokin's EVERCLEAR 5 anti-reflection coating. These coatings are resistant to oil, dust, dirt, and scratches, offering greater protection to the filter and helping it to stay clean for longer than with uncoated filters. The coatings are also hydrophobic, resulting in an improved beading effect when in contact with water for greater cleaning efficiency.