{"id":23078,"date":"2020-11-25T13:43:27","date_gmt":"2020-11-25T12:43:27","guid":{"rendered":"https:\/\/www.ganymedes.nl\/?post_type=product&#038;p=23078"},"modified":"2026-03-06T11:32:59","modified_gmt":"2026-03-06T10:32:59","slug":"optolong-uv-ir-cut-filter-1-25-inch","status":"publish","type":"product","link":"https:\/\/dev4-ganymedes.nl\/en\/product\/optolong-uv-ir-cut-filter-1-25-inch\/","title":{"rendered":"Optolong UV\/IR 1.25 Inch Cut filter"},"content":{"rendered":"<p>Optolong UV\/IR Cut Filter 1.25 Inch<\/p>\n<p>Het UV\/IR Cut filter is ontworpen voor het blokkeren van ultraviolet en infrarood licht om de scherpte van het beeld te verbeteren. Aangezien de meeste optica zijn ontworpen voor het zichtbare spectrum.<\/p>\n<p>Het\u00a0 UV\/IR Cut filter wordt gebruikt op een digitale camera&#8217;s en de video, die geen IR-beschermingsfilter hebben voor hun sensor hebben. Dit is belangrijk omdat ongefilterde CCD- en CMOS-sensoren extreem gevoelig zijn voor UV- en IR-straling net buiten het zichtbare spectrum. Dit kan een zeer negatieve invloed hebben op de beeldkwaliteit.<\/p>\n<p>Technische gegevens:<\/p>\n<ul>\n<li>Schott-substraatmateriaal Dikte 2,0 mm<\/li>\n<li>Oppervlaktekwaliteit: 60\/40 (zie MIL-O-13830)<\/li>\n<li>Fijn-optisch gepolijst om een \u200b\u200bnauwkeurig 1\/4 golffront en &lt;30 seconden parallellisme over beide oppervlakken te garanderen<\/li>\n<li>95% transmissie bij zichtbaar spectraal gebied 420-680 nm die de belangrijkste emissielijnen van de H-Alpha 656 nm, SII 672 nm en NII 654 nm en 658 nm<\/li>\n<li>Ultraviolet 300-400 nm en infrarood golflengte 700-1100 nm afsnijdt en de transmissie van off-band 0,1% afsnijdt.<\/li>\n<li>Een transmissie van 0,1% komt overeen met OD3 (optische dichtheid) en een hoge optische dichtheidswaarde duidt op een zeer lage transmissie en een lage optische dichtheid duidt op een hoge transmissie.<\/li>\n<\/ul>\n<p>&nbsp;<\/p>\n","protected":false},"excerpt":{"rendered":"<p>Het filter blokkeert betrouwbaar ultraviolet en infrarood licht. Dit verhoogt het contrast en de scherpte van de afbeeldingen. Het filter is absoluut noodzakelijk voor fotografie door telescopen en optica waarbij lenzen of correctoren worden gebruikt.<\/p>\n","protected":false},"featured_media":21575,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false,"_vp_format_video_url":"","_vp_image_focal_point":[],"_vp_custom_popup_image":0,"_vp_format_audio_url":"","_vp_custom_thumbnail":0,"_vp_custom_thumbnail_focal_point":[],"_vp_hover_thumbnail":0,"_vp_hover_thumbnail_focal_point":[]},"product_brand":[],"product_cat":[267,274,342,394],"product_tag":[],"class_list":{"0":"post-23078","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_cat-astrophotography-en","7":"product_cat-astrophotography-filters-en","8":"product_cat-brands-en","9":"product_cat-brands-optolong-en","11":"first","12":"instock","13":"taxable","14":"shipping-taxable","15":"purchasable","16":"product-type-simple"},"acf":[],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.3 - 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