{"product_id":"letus35-138mm-circular-polarizer-filter","title":"Letus35 138mm Circular Polarizer Filter","description":"\u003cul\u003e \u003cli\u003eHelps to Eliminate Reflections and Glare\u003c\/li\u003e \u003cli\u003eReduces Haze and Blue Cast in Landscapes\u003c\/li\u003e \u003cli\u003eGreater Color and Tonal Saturation\u003c\/li\u003e \u003cli\u003eIndex Scale for Repeatable Configuration\u003c\/li\u003e \u003cli\u003eCompatible with Matte Box Filter Trays\u003c\/li\u003e \u003cli\u003eHigh Grade German Optical Glass\u003c\/li\u003e \u003c\/ul\u003e \u003cdiv\u003e \u003cdiv\u003e \u003cdiv\u003e \u003cdiv\u003e \u003cp\u003e The \u003cb\u003eLetus35 138mm Circular Polarizer Filter\u003c\/b\u003e 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. \u003cbr\u003e \u003cbr\u003e 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. \u003cbr\u003e \u003cbr\u003e 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. \u003c\/p\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv\u003e \u003cdl\u003e \u003cdd\u003eHelps to reduce reflections and glare by filtering out light that has become polarized due to reflection from a non-metallic surface.\u003c\/dd\u003e \u003c\/dl\u003e \u003cdl\u003e \u003cdd\u003ePolarizing filters arrange, and filter, directionally polarized light perpendicularly to the reflected light, allowing for the absorption of much of the light.\u003c\/dd\u003e \u003c\/dl\u003e \u003cdl\u003e \u003cdd\u003eClears up haze in distant landscapes and provides more saturated, vivid colors.\u003c\/dd\u003e \u003c\/dl\u003e \u003cdl\u003e \u003cdd\u003eStrongest effect when used at a 90� from the sun.\u003c\/dd\u003e \u003c\/dl\u003e \u003cdl\u003e \u003cdd\u003eCircular polarizers are ideal for use with digital cameras and autofocus lenses where a linear polarizer will often disrupt auto exposure and focus features.\u003c\/dd\u003e \u003c\/dl\u003e \u003cdl\u003e \u003cdd\u003eDesigned for use in 138mm round filter trays, such as those in matte boxes.\u003c\/dd\u003e \u003c\/dl\u003e \u003cdl\u003e \u003cdd\u003eIndexed markings on filter ring allow repeatable configurations.\u003c\/dd\u003e \u003c\/dl\u003e \u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e\u003cdiv\u003e \u003cdiv\u003eIn the Box\u003c\/div\u003e \u003cdiv\u003e \u003cdiv\u003e \u003cdiv\u003eLetus35 138mm Circular Polarizer Filter\u003c\/div\u003e \u003c\/div\u003e \u003cul\u003e \u003cli\u003e1-Year Limited Warranty\u003c\/li\u003e \u003c\/ul\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv\u003e \u003cdiv\u003e \u003cdiv\u003e \u003cdiv\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003ctd\u003eFilter Type\u003c\/td\u003e \u003ctd\u003eCircular Polarizer\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFilter Factor\u003c\/td\u003e \u003ctd\u003e2.5 (1.3 Stop)\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eShape\u003c\/td\u003e \u003ctd\u003eCircle\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eCircular Size\u003c\/td\u003e \u003ctd\u003e138 mm\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eRotating\u003c\/td\u003e \u003ctd\u003eYes\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFront Accessory Thread \/ Bayonet\u003c\/td\u003e \u003ctd\u003eUnthreaded\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eFilter Material\u003c\/td\u003e \u003ctd\u003eGlass\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003ctable\u003e \u003ctbody\u003e \u003ctr\u003e \u003cth\u003e \u003ca\u003ePackaging Info\u003c\/a\u003e \u003c\/th\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003ePackage Weight\u003c\/td\u003e \u003ctd\u003e1.0 lb\u003c\/td\u003e \u003c\/tr\u003e \u003ctr\u003e \u003ctd\u003eBox Dimensions (LxWxH)\u003c\/td\u003e \u003ctd\u003e7.0 x 7.0 x 2.0\"\u003c\/td\u003e \u003c\/tr\u003e \u003c\/tbody\u003e \u003c\/table\u003e \u003c\/div\u003e \u003c\/div\u003e \u003cdiv\u003e\u003c\/div\u003e \u003c\/div\u003e \u003c\/div\u003e All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.","brand":"Letus35-10","offers":[{"title":"Default Title","offer_id":35438428304,"sku":"LELT138CP:LELT138CP:bhpv","price":52720.0,"currency_code":"INR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1034\/1611\/products\/Letus35_LT138CP_138mm_Circular_Polarizer_Filter_1336419374000_854914.jpg?v=1575985805","url":"https:\/\/www.tanotis.com\/products\/letus35-138mm-circular-polarizer-filter","provider":"Tanotis","version":"1.0","type":"link"}