{"product_id":"b-w-72mm-master-high-transmission-kaesemann-circular-polarizer","title":"B+W 72mm Master High Transmission Kaesemann Circular Polarizer","description":"\u003cp\u003eIn this review of the B+W 72mm MASTER High Transmission Kaesemann Circular Polarizer, the bottom line is clear: photographers who want reliable polarization with minimal light loss will appreciate this filter. It targets landscape and outdoor shooters who need better color saturation and reduced reflections while retaining usable exposure, thanks to the High Transmission Coating that reduces the multiplying factor to about 2 to 3. The rotating mount and thin profile make it practical on wide-angle setups, and the included QR code for authenticity is a useful modern touch.\u003c\/p\u003e\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlack knurled thin profile mount:\u003c\/strong\u003e Provides a better grip for precise rotation while minimizing vignetting on wide-angle lenses down to 17mm full frame.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMRC coating:\u003c\/strong\u003e Controls flare and ghosting to keep highlights cleaner when shooting into bright skies or reflective surfaces.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Transmission Kaesemann element:\u003c\/strong\u003e Lets more light through than many polarizers, reducing exposure penalty to roughly 1 to 1.5 f-stops in normal use.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eRotating circular polarizer design:\u003c\/strong\u003e Works with autofocus lenses and lets the photographer dial reflection reduction and contrast without changing camera settings.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQR code authenticity check:\u003c\/strong\u003e Offers a quick way to confirm the filter is genuine and not a counterfeit unit.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eECO-friendly packaging:\u003c\/strong\u003e Reduces waste in shipment and storage without affecting the filter itself.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eWho It's For\u003c\/h2\u003e\n\u003cp\u003eThis filter is aimed at landscape photographers, travel shooters, and anyone who frequently faces reflective non-metallic surfaces such as water, glass, or glossy paint. The slimmer mount and good transmission make it especially useful for wide-angle full frame setups and for photographers who want to preserve usable light while boosting color saturation.\u003c\/p\u003e\n\u003cp\u003eCasual users who rarely shoot outdoors or who need extreme light rejection could look elsewhere; if you require maximum polarization at the cost of several stops of light, alternative polarizers may deliver stronger darkening effects but with greater exposure tradeoffs.\u003c\/p\u003e\n\u003ch2\u003ePros \u0026amp; Cons\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003ePros\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eExcellent light transmission compared with many polarizers, preserving exposure and dynamic range.\u003c\/li\u003e\n\u003cli\u003eSecure knurled thin profile mount gives precise control and reduces vignetting on wide lenses.\u003c\/li\u003e\n\u003cli\u003eMRC coating reduces flare and ghosting for cleaner highlights and better contrast.\u003c\/li\u003e\n\u003cli\u003eIncluded QR code helps verify authenticity, useful for professionals who depend on genuine optics.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eCons\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003ePolarization effect is less aggressive than some filters that sacrifice more light for stronger darkening.\u003c\/li\u003e\n\u003cli\u003eHigher-end construction and coatings mean a price premium compared with basic polarizers.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003ctable\u003e\n\u003ctr\u003e\n\u003ctd\u003eFilter Type\u003c\/td\u003e\n\u003ctd\u003eCircular Polarizer (Kaesemann)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eDiameter\u003c\/td\u003e\n\u003ctd\u003e72mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount\u003c\/td\u003e\n\u003ctd\u003eBlack knurled thin profile rotating mount\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCoating\u003c\/td\u003e\n\u003ctd\u003eMRC coating to control flare and ghosting\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFull Frame Coverage\u003c\/td\u003e\n\u003ctd\u003eGood for down to 17mm full frame format\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eAuthenticity\u003c\/td\u003e\n\u003ctd\u003eNew QR code included to verify authenticity\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackaging\u003c\/td\u003e\n\u003ctd\u003eECO-friendly packaging\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/table\u003e\n\u003ch2\u003eOur Verdict\u003c\/h2\u003e\n\u003cp\u003eThe B+W 72mm MASTER High Transmission Kaesemann Circular Polarizer is a strong choice for serious outdoor and landscape photographers who want effective reflection control with minimal exposure loss. Its thin, knurled mount and MRC coatings make it a practical, durable filter that preserves color and contrast, representing solid value for those who prioritize image quality and genuine optical components.\u003c\/p\u003e\n\u003ch2\u003eFrequently Asked Questions\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eWill this polarizer affect autofocus?\u003c\/strong\u003e\u003cbr\u003eIt is a circular polarizer designed to work with autofocus lenses, so it should not interfere with AF operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHow much light does it lose?\u003c\/strong\u003e\u003cbr\u003eThe filter uses a high transmission element that reduces light loss compared to some polarizers, roughly equivalent to 1 to 1.5 f-stops in typical use.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWill it vignette on wide-angle lenses?\u003c\/strong\u003e\u003cbr\u003eThe thin profile mount is designed to minimize vignetting and is specified as suitable down to 17mm on full frame setups.\u003c\/p\u003e","brand":"B+W","offers":[{"title":"Default Title","offer_id":48749571801307,"sku":"B09JBDWKZ5","price":141.95,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0724\/1043\/1707\/files\/51XTIpuRKxL._AC_SL1200_5e7ac356-0e22-4245-b3f9-5860200709c6.jpg?v=1778773047","url":"https:\/\/gearmusthave.com\/products\/b-w-72mm-master-high-transmission-kaesemann-circular-polarizer","provider":"GearMustHave","version":"1.0","type":"link"}