{"product_id":"heliopan-55mm-ir-rg-780-87-filter-2","title":"Heliopan 55mm IR RG 780 (87) Filter","description":"\u003cp data-start=\"49\" data-end=\"105\"\u003e\u003cstrong data-start=\"49\" data-end=\"105\"\u003eHeliopan Infrared Filter 5780 | RG 780 (87) | 780 nm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"107\" data-end=\"270\"\u003e\n\u003cli data-start=\"107\" data-end=\"138\"\u003e\n\u003cp data-start=\"109\" data-end=\"138\"\u003eSlimline brass filter mount\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"139\" data-end=\"185\"\u003e\n\u003cp data-start=\"141\" data-end=\"185\"\u003eRG 780 – blocks visible light up to 780 nm\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"186\" data-end=\"220\"\u003e\n\u003cp data-start=\"188\" data-end=\"220\"\u003eEquivalent to Kodak Wratten 87\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"221\" data-end=\"250\"\u003e\n\u003cp data-start=\"223\" data-end=\"250\"\u003eHigh-quality SCHOTT glass\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"251\" data-end=\"270\"\u003e\n\u003cp data-start=\"253\" data-end=\"270\"\u003eMade in Germany\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"272\" data-end=\"644\"\u003e\u003cstrong data-start=\"272\" data-end=\"295\"\u003eProduct Description\u003c\/strong\u003e\u003cbr data-start=\"295\" data-end=\"298\"\u003eInfrared photography is a specialized field used in black \u0026amp; white, color, and false-color photography. To achieve the desired infrared effects, a dedicated infrared filter is required. These filters block visible light and transmit only the invisible infrared spectrum. Correct exposure depends on experience, test shots, and lighting conditions.\u003c\/p\u003e\n\u003cp data-start=\"646\" data-end=\"803\"\u003eFor black \u0026amp; white and technical or scientific photography, infrared filters are essential, as they allow only infrared radiation to reach the sensor or film.\u003c\/p\u003e\n\u003cp data-start=\"805\" data-end=\"846\"\u003e\u003cstrong data-start=\"805\" data-end=\"846\"\u003eTips for Digital Infrared Photography\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"847\" data-end=\"1387\"\u003e\n\u003cli data-start=\"847\" data-end=\"917\"\u003e\n\u003cp data-start=\"849\" data-end=\"917\"\u003eTest IR sensitivity of a digital camera using an IR remote control\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"918\" data-end=\"983\"\u003e\n\u003cp data-start=\"920\" data-end=\"983\"\u003eInfrared focus point lies slightly beyond visible light focus\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"984\" data-end=\"1057\"\u003e\n\u003cp data-start=\"986\" data-end=\"1057\"\u003eSet white balance manually or automatically after mounting the filter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1058\" data-end=\"1154\"\u003e\n\u003cp data-start=\"1060\" data-end=\"1154\"\u003eMost digital cameras have an internal IR-cut filter, but some allow residual IR transmission\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1155\" data-end=\"1204\"\u003e\n\u003cp data-start=\"1157\" data-end=\"1204\"\u003eCompose and focus before attaching the filter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1205\" data-end=\"1304\"\u003e\n\u003cp data-start=\"1207\" data-end=\"1304\"\u003eImage processing can enhance IR results (contrast, histogram adjustment, color channel control)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1305\" data-end=\"1387\"\u003e\n\u003cp data-start=\"1307\" data-end=\"1387\"\u003eInfrared photography remains experimental in both digital and analog workflows\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1389\" data-end=\"1428\"\u003e\u003cstrong data-start=\"1389\" data-end=\"1428\"\u003eTips for Shooting with an IR Filter\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"1429\" data-end=\"1974\"\u003e\n\u003cli data-start=\"1429\" data-end=\"1497\"\u003e\n\u003cp data-start=\"1431\" data-end=\"1497\"\u003eSubjects in strong sunlight provide the highest infrared content\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1498\" data-end=\"1541\"\u003e\n\u003cp data-start=\"1500\" data-end=\"1541\"\u003eUse a tripod due to long exposure times\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1542\" data-end=\"1584\"\u003e\n\u003cp data-start=\"1544\" data-end=\"1584\"\u003eSet framing before mounting the filter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1585\" data-end=\"1655\"\u003e\n\u003cp data-start=\"1587\" data-end=\"1655\"\u003eFocus manually using the IR index or prior to attaching the filter\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1656\" data-end=\"1722\"\u003e\n\u003cp data-start=\"1658\" data-end=\"1722\"\u003eAvoid shooting wide open; AF sensors may partially focus on IR\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1723\" data-end=\"1788\"\u003e\n\u003cp data-start=\"1725\" data-end=\"1788\"\u003eExposure often needs strong compensation or manual adjustment\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1789\" data-end=\"1902\"\u003e\n\u003cp data-start=\"1791\" data-end=\"1902\"\u003eIn B\u0026amp;W mode, judge exposure via camera display; in color mode, use the histogram (especially the red channel)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"1903\" data-end=\"1974\"\u003e\n\u003cp data-start=\"1905\" data-end=\"1974\"\u003eJPEG format can be used as an alternative to complex RAW processing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"1976\" data-end=\"2002\"\u003e\u003cstrong data-start=\"1976\" data-end=\"2002\"\u003eTips for Image Editing\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"2003\" data-end=\"2221\" data-is-last-node=\"\" data-is-only-node=\"\"\u003e\n\u003cli data-start=\"2003\" data-end=\"2108\"\u003e\n\u003cp data-start=\"2005\" data-end=\"2108\"\u003eFor high-quality black \u0026amp; white results, convert to LAB mode and use only the L channel or red channel\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"2109\" data-end=\"2221\" data-is-last-node=\"\"\u003e\n\u003cp data-start=\"2111\" data-end=\"2221\" data-is-last-node=\"\"\u003eIf contrast appears too low or images show a strong red cast, adjust black and white points in post-processing\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003cbr\u003e\u003c\/p\u003e","brand":"Heliopan","offers":[{"title":"Default Title","offer_id":50909843751207,"sku":"705563","price":169.25,"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-55mm-ir-rg-780-87-filter-1215844528.jpg?v=1767925297","url":"https:\/\/cambridgeworld.com\/products\/heliopan-55mm-ir-rg-780-87-filter-2","provider":"Cambridge World Inc","version":"1.0","type":"link"}