{"id":30726,"date":"2025-10-11T13:17:13","date_gmt":"2025-10-11T11:17:13","guid":{"rendered":"https:\/\/www.telescoop.nl\/?post_type=product&#038;p=30726"},"modified":"2026-03-04T20:22:07","modified_gmt":"2026-03-04T19:22:07","slug":"explore-scientific-127-952-ed-triplet-alu-essential-ota","status":"publish","type":"product","link":"https:\/\/www.telescoop.nl\/en\/explore-scientific-127-952-ed-triplet-alu-essential-ota\/","title":{"rendered":"Explore Scientific 127\/952 Refractor ED Triplet Alu Essential"},"content":{"rendered":"<p class=\"wp-block-paragraph\">The <strong>Explore Scientific Apochromatic refractor AP 127\/952 ED Alu Essential OTA<\/strong> is a powerful 127 mm triplet refractor that offers exceptional contrast and color correction - ideal for advanced observers and astrophotographers.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The optical design consists of three lenses with FCD-1 ED glass from Hoya (Japan) and two air blanks. This provides color error correction well above that of standard two-lens ED refractors. With a calculated polystrehl of &gt;0.9 compared to the 0.8 of conventional models, this telescope offers razor-sharp, color-neutral images even at high magnifications. The solid aluminum tube and precise Crayford focuser with 1:10 fine adjustment ensure stable focusing and reliable support for heavier cameras.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">Thanks to the tube length of 952 mm (f\/7.5), this model optimally combines brightness and resolution. With a suitable field flattener (sold separately), you can also use the telescope excellently for <strong>astrophotography<\/strong>, with a completely flat field of view to the edges of the sensor. The OTA features tube rings, a dew cap and a standard T-profile accessory shoe for easy attachment of viewfinders or guide scopes.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\">The 127 mm aperture offers significantly higher light output than a 100 mm refractor, making this model suitable for observing both bright planets and fainter deep-sky objects such as the Orion Nebula or globular clusters. Explore Scientific's build quality ensures stability, precision and durability - exactly what you expect in the <strong>Essential Line<\/strong>.<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Application:<\/strong><br>This 127 mm apochromatic refractor is ideal for:<\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>detailed observation of the <strong>Moon and planets<\/strong>;<\/li>\n\n\n\n<li>sharp representation of <strong>nebulae and galaxies<\/strong>;<\/li>\n\n\n\n<li><strong>astrophotography<\/strong> with DSLR or CMOS cameras;<\/li>\n\n\n\n<li><strong>visual deep-sky observation<\/strong> with high contrast display.<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\">Not suitable for solar observation without a special solar filter.<br>Suitable for <strong>advanced observers<\/strong> demanding high image quality in a robust OTA, with room for later expansion (mount, flattener, cameras).<\/p>\n\n\n\n<h3 class=\"wp-block-heading\"><strong>Specifications<\/strong><\/h3>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Optics<\/strong><br>Type: Refractor<br>Design: Apochromat (triplet, FCD-1 ED glass)<br>Opening: 127 mm<br>Focal length: 952 mm<br>Aperture ratio: f\/7.5<br>Resolution: 0.91\u2033<br>Boundary magnitude: 12.3<br>Light output: 330\u00d7 relative to the naked eye<br>Maximum magnification: 250\u00d7<br>Tube Material: Aluminum<br>Tube construction: full tube<br>Tube weight: 6.8 kg<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Focuser<\/strong><br>Type: Crayford with 1:10 fine adjustment<br>Ocular connection: 2\u2033<br>Back focus: 165 mm<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Mount<\/strong><br>Type: OTA (without mount)<br>GoTo control: No<\/p>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Included accessories<\/strong><\/p>\n\n\n\n<ul class=\"wp-block-list\">\n<li>Camera adapter (piggyback)<\/li>\n\n\n\n<li>Tube Rings<\/li>\n\n\n\n<li>Dew cap<\/li>\n\n\n\n<li>Accessory shoe (T-profile)<\/li>\n\n\n\n<li>Transport case<\/li>\n<\/ul>\n\n\n\n<p class=\"wp-block-paragraph\"><strong>Observation goals<\/strong><br>\u2713 Moon and planets<br>\u2713 Nebulae and galaxies<br>\u2713 Astrophotography<br>\u2713 Nature observation<br>\u2717 Sun (only with appropriate sunscreen)<br>\u2717 Beginners<br>\u2713 Advanced<\/p>","protected":false},"excerpt":{"rendered":"<p data-start=\"333\" data-end=\"558\">Explore Scientific Apochromatic refractor AP 127\/952 ED Alu Essential OTA comes with FCD-1 ED triplet, Crayford focuser and tube rings for high-quality visual and photographic performance.<\/p>","protected":false},"featured_media":30728,"comment_status":"open","ping_status":"closed","template":"","meta":{"_acf_changed":false},"product_brand":[498],"product_cat":[51,567],"product_tag":[],"class_list":["post-30726","product","type-product","status-publish","has-post-thumbnail","product_brand-explore-scientific","product_cat-telescopen","product_cat-refractor-telescopen","product_shipping_class-telescoop","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":30705,"url":"https:\/\/www.telescoop.nl\/en\/explore-scientific-80-480-ed-triplet-alu-iexos100-goto\/","url_meta":{"origin":30726,"position":0},"title":"Explore 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