{"product_id":"heliopan-rollei-bay-ii-kb-12-80b-filter-2","title":"Heliopan Rollei Bay II KB 12 (80B) Filter","description":"\u003cdiv class=\"flex flex-col text-sm pb-25\"\u003e\n\u003carticle class=\"text-token-text-primary w-full focus:outline-none [--shadow-height:45px] has-data-writing-block:pointer-events-none has-data-writing-block:-mt-(--shadow-height) has-data-writing-block:pt-(--shadow-height) [\u0026amp;:has([data-writing-block])\u0026gt;*]:pointer-events-auto scroll-mt-[calc(var(--header-height)+min(200px,max(70px,20svh)))]\" dir=\"auto\" data-turn-id=\"request-WEB:9b87ea5e-6504-453e-bff2-c4b42b876188-1\" data-testid=\"conversation-turn-4\" data-scroll-anchor=\"true\" data-turn=\"assistant\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"text-base my-auto mx-auto pb-10 [--thread-content-margin:--spacing(4)] @w-sm\/main:[--thread-content-margin:--spacing(6)] @w-lg\/main:[--thread-content-margin:--spacing(16)] px-(--thread-content-margin)\"\u003e\n\u003cdiv class=\"[--thread-content-max-width:40rem] @w-lg\/main:[--thread-content-max-width:48rem] mx-auto max-w-(--thread-content-max-width) flex-1 group\/turn-messages focus-visible:outline-hidden relative flex w-full min-w-0 flex-col agent-turn\" tabindex=\"-1\"\u003e\n\u003cdiv class=\"flex max-w-full flex-col grow\"\u003e\n\u003cdiv data-message-author-role=\"assistant\" data-message-id=\"c8671da4-3d59-4e59-ac71-d1a1b62424aa\" dir=\"auto\" class=\"min-h-8 text-message relative flex w-full flex-col items-end gap-2 text-start break-words whitespace-normal [.text-message+\u0026amp;]:mt-1\" data-message-model-slug=\"gpt-5-2\"\u003e\n\u003cdiv class=\"flex w-full flex-col gap-1 empty:hidden first:pt-[1px]\"\u003e\n\u003cdiv class=\"markdown prose dark:prose-invert w-full break-words light markdown-new-styling\"\u003e\n\u003cp data-start=\"157\" data-end=\"196\"\u003e\u003cstrong data-start=\"157\" data-end=\"194\"\u003eHeliopan Filter 4120 | KB12 (80B)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"197\" data-end=\"417\"\u003e\n\u003cli data-start=\"197\" data-end=\"219\"\u003e\n\u003cp data-start=\"199\" data-end=\"219\"\u003eStable brass mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"220\" data-end=\"249\"\u003e\n\u003cp data-start=\"222\" data-end=\"249\"\u003eHigh-quality Schott glass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"250\" data-end=\"274\"\u003e\n\u003cp data-start=\"252\" data-end=\"274\"\u003eSpecial hard coating\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"275\" data-end=\"290\"\u003e\n\u003cp data-start=\"277\" data-end=\"290\"\u003eKB 12 (80B)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"291\" data-end=\"314\"\u003e\n\u003cp data-start=\"293\" data-end=\"314\"\u003e100% plane-parallel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"315\" data-end=\"389\"\u003e\n\u003cp data-start=\"317\" data-end=\"389\"\u003eAdditional internal thread for attaching further filters or lens hoods\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"390\" data-end=\"417\"\u003e\n\u003cp data-start=\"392\" data-end=\"417\"\u003eManufactured in Germany\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"419\" data-end=\"596\"\u003eThis filter, also known as a conversion (reversal) filter, allows the use of daylight-balanced slide film under artificial light of 3400 K (e.g., photo lamps and halogen light).\u003c\/p\u003e\n\u003cp data-start=\"598\" data-end=\"847\"\u003eThe color temperature is increased by approx. 2000 K, matching the difference between neutral daylight and photographic artificial light. When used with the KB 12 filter, daylight color film reproduces natural color values under artificial lighting.\u003c\/p\u003e\n\u003cul data-start=\"849\" data-end=\"891\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-start=\"849\" data-end=\"891\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"851\" data-end=\"891\" data-is-last-node=\"\"\u003eExposure compensation: 3× or 1.5 f-stops\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"z-0 flex min-h-[46px] justify-start\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003cdiv class=\"mt-3 w-full empty:hidden\"\u003e\n\u003cdiv class=\"text-center\"\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/article\u003e\n\u003c\/div\u003e\n\u003cdiv aria-hidden=\"true\" data-edge=\"true\" class=\"pointer-events-none h-px w-px absolute bottom-0\"\u003e\u003cbr\u003e\u003c\/div\u003e","brand":"Heliopan","offers":[{"title":"Default Title","offer_id":50909828743463,"sku":"720023","price":91.97,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0877\/0597\/7127\/files\/heliopan-cameras-photo-lenses-filters-filters-heliopan-rollei-bay-ii-kb-12-80b-filter-1215844832.jpg?v=1767910930","url":"https:\/\/cambridgeworld.com\/products\/heliopan-rollei-bay-ii-kb-12-80b-filter-2","provider":"Cambridge World Inc","version":"1.0","type":"link"}