{"product_id":"marumi-close-up-3-filter-77-mm","title":"Marumi Close Up 3 Filter 77 mm","description":"\u003cp\u003eWith the help of a close-up filter you can photograph from closer than the minimum distance at which your lens can normally photograph. You run the close-up filter for your lens. There are close-up filters with different strength, +1, +2, +3 and +4. How close you can differ per objective and the combination of the close-up filter.\u003c\/p\u003e\u003cbr\u003e\u003cul\u003e\n\u003cli\u003eClose-up filters available in strengths of +1, +2, +3 and +4\u003c\/li\u003e\n\u003cli\u003eMakes it possible to photograph from closer than the minimum distance of your lens\u003c\/li\u003e\n\u003cli\u003eVarious close-up filters can be combined for even closer recordings\u003c\/li\u003e\n\u003cli\u003eNo extension of exposure time required\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eThe formula reads:\u003cbr\u003eX: (D * x + 1)\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eX is the minimum focal length of your lens in meters\u003c\/li\u003e\n\u003cli\u003eD is the dioptrie number (strength) on the close-up lens\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003eCalculation example:\u003cbr\u003eYou have an objective that can focus from 55 centimeters and you use the close-up filter with a strength of +3. In this case the calculation is:\u003cbr\u003e0.55: (3 * 0.55 + 1) And this is the same as\u003cbr\u003e0.55: (1.65 + 1) or\u003cbr\u003e0.55: 2.65 = 0.21 meters, so 21 centimeters\u003c\/p\u003e","brand":"Marumi","offers":[{"title":"Default Title","offer_id":41859693871260,"sku":"4957638133135","price":53.22,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0282\/5299\/5715\/files\/marumi-close-up-3-filter-77-mm-full-Mar_uvwide.jpg?v=1713305504","url":"https:\/\/fietsaccessoires.nl\/en\/products\/marumi-close-up-3-filter-77-mm","provider":"Fietsaccessoires.nl","version":"1.0","type":"link"}