{"id":24762,"date":"2025-08-02T05:48:42","date_gmt":"2025-08-02T03:48:42","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=24762"},"modified":"2026-07-19T22:31:31","modified_gmt":"2026-07-19T20:31:31","slug":"omegon-moon-filter-for-telescopes-13-125","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/omegon-maanfilter-voor-telescopen-13-125\/","title":{"rendered":"Omegon Moon Filter 13%, Transmission, 1.25 inch"},"content":{"rendered":"<h2 class=\"wp-block-heading has-text-align-center\"><strong>Omegon Moon Filter 13%, 1.25-inch Transmission: for large apertures and the full moon<\/strong><\/h2>\n\n\n\n<p class=\"wp-block-paragraph\">With a large telescope, the moon can be so bright that observing becomes downright unpleasant. This filter only allows 13 percent of the light through. This provides visual comfort and makes craters and fine structures more visible, without making the moon's color unnatural.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The strong dimming is intended for telescopes with an aperture of approximately 200 mm and for observation around the full moon. On a smaller telescope, the image quickly becomes too dark with this filter; choose the 25 percent version for those.<\/p>\n\n\n\n<figure class=\"wp-block-gallery has-nested-images columns-3 is-cropped wp-block-gallery-1 is-layout-flex wp-block-gallery-is-layout-flex\"><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Maanfilter-13-transmissie-1-25-.jpg\" alt=\"Omegon moon filter 13 percent transmission 1.25 inch\" title=\"\"><\/figure><figure class=\"wp-block-image\"><img decoding=\"async\" src=\"https:\/\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Maanfilter-13-transmissie-1-25-1.jpg\" alt=\"Omegon moon filter 13 percent transmission 1.25 inch\" title=\"\"><\/figure><\/figure>\n\n\n\n<h3 class=\"wp-block-heading\">Features<\/h3>\n\n\n\n<ul class=\"wp-block-list\"><li>Transmission 13 percent<\/li><li>Neutral color rendering<\/li><li>Aluminum vatting<\/li><li>Standard 1.25 inch thread<\/li><\/ul>\n\n\n\n<h3 class=\"wp-block-heading\">Compatibility<\/h3>\n\n\n\n<p class=\"wp-block-paragraph\">Screw the filter into the eyepiece. For telescopes up to approximately 4.9 ft (150 cm), 25 percent is the better choice. Which filter fits which aperture can be read in our <a href=\"\/en\/best-moon-filter-telescope\/\">Moon filter guide<\/a>.<\/p>\n\n\n\n<h3 class=\"wp-block-heading\">Specifications<\/h3>\n\n\n\n<figure class=\"wp-block-table\"><table class=\"has-fixed-layout\"><tbody><tr><td><strong>Type<\/strong><\/td><td>Moon Filter<\/td><\/tr><tr><td><strong>Transmission<\/strong><\/td><td>13%<\/td><\/tr><tr><td><strong>Mount<\/strong><\/td><td>1.25 inches<\/td><\/tr><tr><td><strong>Material mount<\/strong><\/td><td>Aluminum<\/td><\/tr><tr><td><strong>Series<\/strong><\/td><td>Basic<\/td><\/tr><tr><td><strong>Recommended opening<\/strong><\/td><td>From approximately 200 mm<\/td><\/tr><\/tbody><\/table><\/figure>\n\n\n\n<p class=\"wp-block-paragraph\">You can find more accessories for this merk at the <a href=\"\/en\/brands\/omegon\/\">Omegon merk Page<\/a>.<\/p>","protected":false},"excerpt":{"rendered":"<p>Moon filter with 13 percent transmission for telescopes from approximately 200 mm. The strong damping makes observing around the full moon comfortable.<\/p>","protected":false},"featured_media":24770,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[126],"product_cat":[3140,588,56],"product_tag":[],"class_list":["post-24762","product","type-product","status-publish","has-post-thumbnail","product_brand-omegon","product_cat-maan-en-planetenfilters-kleurfilters","product_cat-filters","product_cat-telescoop-accessoires","product_shipping_class-licht","first","instock","taxable","shipping-taxable","purchasable","product-type-simple"],"bundled_by":[],"bundle_stock_status":"instock","bundle_stock_quantity":null,"bundle_virtual":false,"bundle_layout":"","bundle_add_to_cart_form_location":"","bundle_editable_in_cart":false,"bundle_sold_individually_context":"","bundle_item_grouping":"","bundle_min_size":"","bundle_max_size":"","bundle_price":[],"bundled_items":[],"bundle_sell_ids":[],"acf":[],"jetpack_sharing_enabled":true,"jetpack-related-posts":[{"id":24823,"url":"https:\/\/www.telescoop.nl\/en\/omegon-premium-maanfilter-50-2\/","url_meta":{"origin":24762,"position":0},"title":"Omegon Premium Moon Filter 50%, Transmission, 2-inch","author":"","date":"02-08-2025","format":false,"excerpt":"Moon filter with 50 percent transmission in 2-inch mount. The lightest dimming in the series, for smaller telescopes and the Moon outside of the full phase.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon Premium Mondfilter 50% \u2013 2\"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-50-transmissie-2-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-50-transmissie-2-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-50-transmissie-2-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-50-transmissie-2-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-50-transmissie-2-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-50-transmissie-2-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":24832,"url":"https:\/\/www.telescoop.nl\/en\/omegon-premium-maanfilter-13-2\/","url_meta":{"origin":24762,"position":1},"title":"Omegon Premium Moon Filter 13% Transmission 2-inch","author":"","date":"02-08-2025","format":false,"excerpt":"Moon filter with 13 percent transmission in a 2-inch barrel for telescopes from approximately 200 mm. Through-colored glass without coating that can wear off.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon Premium Mondfilter 13% \u2013 2\"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-13-transmissie-2-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-13-transmissie-2-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-13-transmissie-2-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-13-transmissie-2-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-13-transmissie-2-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-13-transmissie-2-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":24771,"url":"https:\/\/www.telescoop.nl\/en\/omegon-maanfilter-25-125\/","url_meta":{"origin":24762,"position":2},"title":"Omegon Moon Filter 25%, Transmission, 1.25 inch","author":"","date":"02-08-2025","format":false,"excerpt":"Moon filter with 25 percent transmission for small and medium-sized telescopes up to approximately 150 mm. The most versatile choice if you are buying one moon filter.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon Mondfilter 25% \u2013 1,25\"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Maanfilter-25-transmissie-1-25-inch.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Maanfilter-25-transmissie-1-25-inch.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Maanfilter-25-transmissie-1-25-inch.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Maanfilter-25-transmissie-1-25-inch.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Maanfilter-25-transmissie-1-25-inch.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Maanfilter-25-transmissie-1-25-inch.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":92525,"url":"https:\/\/www.telescoop.nl\/en\/omegon-maanfilter-25-procent-transmissie-2-inch\/","url_meta":{"origin":24762,"position":3},"title":"Omegon Moon Filter 25% Transmission 2-inch","author":"","date":"05-01-2026","format":false,"excerpt":"Moon filter with 25 percent transmission in a 2-inch barrel. Polished glass without surface coating, therefore wear-resistant, for telescopes up to approximately 150 mm.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2026\/01\/Omegon-Filters-2-maanfilter-25-transmissie-1.jpg?resize=350%2C200&ssl=1","width":350,"height":200},"classes":[]},{"id":24780,"url":"https:\/\/www.telescoop.nl\/en\/omegon-premium-maanfilter-125\/","url_meta":{"origin":24762,"position":4},"title":"Omegon Premium Moon Filter 1.25 inch","author":"Info telescoop","date":"02-08-2025","format":false,"excerpt":"Moon filter with approximately 30 percent transmission in a metal frame. Dims bright moonlight and preserves natural color, for telescopes up to approximately 150 mm.","rel":"","context":"Similar post","block_context":{"text":"Similar post","link":""},"img":{"alt_text":"Omegon Premium Mondfilter \u2013 1,25\"","src":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-1-25-.jpg?resize=350%2C200&ssl=1","width":350,"height":200,"srcset":"https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-1-25-.jpg?resize=350%2C200&ssl=1 1x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-1-25-.jpg?resize=525%2C300&ssl=1 1.5x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-1-25-.jpg?resize=700%2C400&ssl=1 2x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-1-25-.jpg?resize=1050%2C600&ssl=1 3x, https:\/\/i0.wp.com\/www.telescoop.nl\/wp-content\/uploads\/2025\/08\/Omegon-Filters-Premium-maanfilter-1-25-.jpg?resize=1400%2C800&ssl=1 4x"},"classes":[]},{"id":24795,"url":"https:\/\/www.telescoop.nl\/en\/omegon-variabele-polarisatiefilter-125\/","url_meta":{"origin":24762,"position":5},"title":"Omegon Variable Polarizing Filter 1.25 inch","author":"","date":"02-08-2025","format":false,"excerpt":"Variable polarizing filter that steplessly adjusts between approximately 1 and 40 percent transmission. 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