{"product_id":"william-optics-diffraction-spikes-bahtinov-focusing-mask-for-dew-shield-105-mm-to-148-mm-bm-ds-gr55","title":"William Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 105 mm to 148 mm - BM-DS-GR55","description":"\u003ch3 style=\"text-align: center;\"\u003eWilliam Optics Diffraction Spikes Bahtinov Focusing Mask - For Dew Shield 105 mm to 148 mm\u003c\/h3\u003e\n\n\u003cul\u003e\n\t\u003cli\u003eWilliam Optics Diffraction Spikes Bahtinov Focusing Mask\u003c\/li\u003e\n\t\u003cli\u003eFits dew shields with diameters of 105 mm to 148 mm\u003c\/li\u003e\n\t\u003cli\u003eClear Acrylic Sheet design provides 92% light transmission\u003c\/li\u003e\n\t\u003cli\u003eGives the Brightest diffraction spikes for focusing\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\nThis is a William Optics Diffraction Spikes Bahtinov Focusing Mask made from Acrylic material, which is high in light transmission. This design using Acrylic material provides 92% light transmission for the brightest diffraction spikes visibility when you do your focusing.  It results in about 3X brighter diffraction spike images than the traditional metal material masks.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThis William Optics Diffraction Spikes Bahtinov Focusing Mask is made to fit dew shields with diameters of 105 mm to 148 mm.\n\u003c\/p\u003e\n\n\u003ch3 style=\"text-align: center;\"\u003eSpecifications:\u003c\/h3\u003e\n\n\u003ctable\u003e\n\t\u003ctr\u003e\n\t\t\u003ctd\u003eManufacturer:\u003c\/td\u003e \u003ctd\u003eWilliam Optics\u003c\/td\u003e\n\t\u003c\/tr\u003e\n\t\u003ctr\u003e\n\t\t\u003ctd\u003eMfr. SKU:\u003c\/td\u003e \u003ctd\u003eBM-DS-GR55\u003c\/td\u003e\n\t\u003c\/tr\u003e\n\t\u003ctr\u003e\n\t\t\u003ctd\u003eFunction:\u003c\/td\u003e \u003ctd\u003eDiffraction Spikes Bahtinov Focusing Mask\u003c\/td\u003e\n\t\u003c\/tr\u003e\n\t\u003ctr\u003e\n\t\t\u003ctd\u003eAccepts\/Fits:\u003c\/td\u003e \u003ctd\u003eDew Shields with diameters of 105 mm to 148 mm\u003c\/td\u003e\n\t\u003c\/tr\u003e\n\t\u003ctr\u003e\n\t\t\u003ctd\u003eMaterial:\u003c\/td\u003e \u003ctd\u003eAcrylic, Clear\u003c\/td\u003e\n\t\u003c\/tr\u003e\n\t\u003ctr\u003e\n\t\t\u003ctd\u003eWeight:\u003c\/td\u003e \u003ctd\u003e(Not Available from Manufacturer)\u003c\/td\u003e\n\t\u003c\/tr\u003e\n\u003c\/table\u003e\n","brand":"William Optics","offers":[{"title":"Default Title","offer_id":39540278657137,"sku":"WIL-BM-DS-GR55","price":60.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/products\/BM-DS-GR55.jpg?v=1776459238","url":"https:\/\/khanscope.com\/en-fr\/products\/william-optics-diffraction-spikes-bahtinov-focusing-mask-for-dew-shield-105-mm-to-148-mm-bm-ds-gr55","provider":"Khan Scope Centre","version":"1.0","type":"link"}