{"id":18914,"date":"2026-10-12T15:24:02","date_gmt":"2026-10-12T13:24:02","guid":{"rendered":"https:\/\/deep-space-astronomy.ch\/produit\/baader-dt-4-rallonge-3175-mm-a-filetage-de-filtre\/"},"modified":"2026-10-12T15:24:02","modified_gmt":"2026-10-12T13:24:02","slug":"baader-dt-4-rallonge-3175-mm-a-filetage-de-filtre","status":"publish","type":"product","link":"https:\/\/deep-space-astronomy.ch\/en\/product\/baader-dt-4-rallonge-3175-mm-a-filetage-de-filtre\/","title":{"rendered":"Baader DT-4 &#8211; Rallonge 31,75 mm \u00e0 filetage de filtre"},"content":{"rendered":"<div class=\"product\"><div class=\"product\"><h3>Ajuster la position de l\u2019oculaire<\/h3>\n<p>La rallonge Baader 1905130 prolonge le coulant d\u2019un oculaire lorsque celui-ci est trop court pour r\u00e9gler correctement la mise au point, notamment sur certains montages \u00e0 diviseur optique ou miroir basculant. Elle apporte une longueur optique de 18,5 mm.<\/p>\n<h3>Raccordement par le filetage de filtre<\/h3>\n<p>Les filetages de filtre au format 31,75 mm permettent de la visser sur la plupart des oculaires de ce coulant. Son diam\u00e8tre ext\u00e9rieur reste de 31,75 mm, avec un passage libre annonc\u00e9 de 25 mm.<\/p>\n<h3>Technical specifications<\/h3>\n<div>\n<table>\n<tbody>\n<tr>\n<th scope=\"row\">Manufacturer reference<\/th>\n<td>1905130<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Flow<\/th>\n<td>31,75 mm (1\u00bc pouce)<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Optical length<\/th>\n<td>18,5 mm<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Filetage de filtre<\/th>\n<td>M28,5<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Passage libre<\/th>\n<td>25 mm<\/td>\n<\/tr>\n<tr>\n<th scope=\"row\">Net weight<\/th>\n<td>20 g<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<\/div>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>La rallonge Baader DT-4 se visse sur le filetage de filtre d\u2019un oculaire 31,75 mm. Sa longueur optique de 18,5 mm aide \u00e0 ajuster la position de l\u2019oculaire dans un montage \u00e0 diviseur optique ou miroir basculant.<\/p>","protected":false},"featured_media":18913,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[624],"product_cat":[731],"product_tag":[],"class_list":["post-18914","product","type-product","status-publish","has-post-thumbnail","product_brand-baader","product_cat-bagues-dadaptation-et-de-conversion","first","on_supplier","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product\/18914","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product"}],"about":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/types\/product"}],"replies":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/comments?post=18914"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/18913"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=18914"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=18914"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=18914"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=18914"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}