{"id":14602,"date":"2026-04-09T10:23:31","date_gmt":"2026-04-09T08:23:31","guid":{"rendered":"https:\/\/deep-space-astronomy.ch\/?post_type=product&#038;p=14602"},"modified":"2026-04-09T10:23:46","modified_gmt":"2026-04-09T08:23:46","slug":"skywatcher-skymax-90-ota","status":"publish","type":"product","link":"https:\/\/deep-space-astronomy.ch\/en\/product\/skywatcher-skymax-90-ota\/","title":{"rendered":"Skywatcher Skymax-90 OTA"},"content":{"rendered":"<h3>Skywatcher Skymax-90 OTA: compact, precise Maksutov optical tube ideal for planetary observation<\/h3>\n<p>Visit <strong>Skywatcher Skymax-90 OTA<\/strong> is a Maksutov-Cassegrain optical tube designed to deliver high performance in an extremely compact format. Ideal for both novice astronomers and experienced observers looking for a portable instrument, it combines simplicity of use, optical quality and versatility.<\/p>\n<p>Despite its small size, this telescope is capable of delivering detailed, high-contrast images, especially of bright objects in the night sky. This makes it an excellent choice for quick observations or impromptu sessions.<\/p>\n<h3>90 mm Maksutov optics: high resolution and exceptional contrast<\/h3>\n<p>Featuring a <strong>90 mm<\/strong> and a long focal length of <strong>1250 mm (f\/13.88)<\/strong>, The Skymax-90T is specially optimized for high-magnification observations. Its Maksutov-Cassegrain design effectively corrects optical aberrations and delivers razor-sharp images.<\/p>\n<p>The mirrors are treated <strong>Radiant\u2122 Aluminum Quartz (RAQ\u2122)<\/strong>, offering up to <strong>94 % reflectivity<\/strong>. This treatment improves brightness, contrast and durability, guaranteeing consistent performance over time.<\/p>\n<p>This telescope is particularly recommended for :<\/p>\n<ul>\n<li>detailed observation of the Moon<\/li>\n<li>planets such as Jupiter, Saturn and Mars<\/li>\n<li>double stars requiring good resolution<\/li>\n<\/ul>\n<p>Its maximum magnification of <strong>x180<\/strong> allows you to take full advantage of its capabilities, while maintaining a stable, precise image.<\/p>\n<h3>Ultra-compact format: ideal for transport<\/h3>\n<p>One of the Skymax-90T's main assets is its compactness. Thanks to its closed design and long, folded focal length, it's easy to carry and store. It fits perfectly into a bag or travel kit.<\/p>\n<p>This format makes it an ideal companion for :<\/p>\n<ul>\n<li>observations on the move<\/li>\n<li>vacations or weekends<\/li>\n<li>users with limited space<\/li>\n<\/ul>\n<p>Its robustness and ease of installation mean it can be set up quickly, even by novice users.<\/p>\n<h3>Photo and ground observation compatible<\/h3>\n<p>The Skymax-90 is not limited to astronomy. It can also be used for terrestrial observation, thanks to its excellent magnification and high contrast.<\/p>\n<p>It comes with a <strong>universal smartphone adapter<\/strong>, for easy image capture:<\/p>\n<ul>\n<li>of the Moon<\/li>\n<li>planets<\/li>\n<li>of distant terrestrial subjects<\/li>\n<\/ul>\n<p>Focusing by moving the primary mirror offers high precision and a wide adjustment range, ideal for both photography and visual observation.<\/p>\n<h3>High mounting flexibility<\/h3>\n<p>The optical tube has a <strong>45 mm dovetail<\/strong>, compatible with many frames on the market. It is also equipped with a <strong>thread for photo tripod<\/strong>, This allows rapid installation on standard brackets.<\/p>\n<p>This dual compatibility makes the Skymax-90 extremely versatile and adaptable to different uses, from a simple photo tripod to a more advanced astronomical mount.<\/p>\n<h3>Accessories included for immediate use<\/h3>\n<p>The Skymax-90 OTA comes with a complete set of accessories:<\/p>\n<ul>\n<li>20 mm and 10 mm (1.25\u2033) eyepieces<\/li>\n<li>angled return 31.7 mm (1.25\u2033)<\/li>\n<li>red dot finder for quick identification<\/li>\n<li>universal smartphone adapter (54 to 90 mm)<\/li>\n<\/ul>\n<p>These accessories provide magnifications of <strong>x62.5 and x125<\/strong>, perfectly suited to planetary observations.<\/p>\n<h3>An ideal telescope for regular use<\/h3>\n<p>Thanks to its ease of use, compactness and optical performance, the Skymax-90 is a frequently used instrument. It requires no time-consuming preparations, and can be set up quickly to take advantage of observation as soon as conditions are right.<\/p>\n<p>It's an excellent choice for users who want a telescope that's always ready to use, without compromising on image quality.<\/p>\n<h3>Technical data table<\/h3>\n<table border=\"1\" cellspacing=\"0\" cellpadding=\"8\">\n<tbody>\n<tr>\n<th>Features<\/th>\n<th>Detail<\/th>\n<\/tr>\n<tr>\n<td>Optical type<\/td>\n<td>Maksutov-Cassegrain<\/td>\n<\/tr>\n<tr>\n<td>Diameter<\/td>\n<td>90 mm<\/td>\n<\/tr>\n<tr>\n<td>Focal length<\/td>\n<td>1250 mm<\/td>\n<\/tr>\n<tr>\n<td>Focus report<\/td>\n<td>f\/13.88<\/td>\n<\/tr>\n<tr>\n<td>Magnifications supplied<\/td>\n<td>x62.5 and x125<\/td>\n<\/tr>\n<tr>\n<td>Maximum magnification<\/td>\n<td>x180<\/td>\n<\/tr>\n<tr>\n<td>Optical treatment<\/td>\n<td>RAQ\u2122 (94% reflectivity)<\/td>\n<\/tr>\n<tr>\n<td>Focusing<\/td>\n<td>Moving the primary mirror<\/td>\n<\/tr>\n<tr>\n<td>Mounting<\/td>\n<td>Photo tripod thread + 45 mm dovetail<\/td>\n<\/tr>\n<tr>\n<td>Accessories<\/td>\n<td>10 mm &amp; 20 mm eyepieces, angled guide, finder, smartphone adapter<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Conclusion<\/h3>\n<p>Visit <strong>Skywatcher Skymax-90 OTA<\/strong> is a compact, high-performance and extremely practical telescope. Ideal for planetary, lunar and nomadic observations, it offers excellent image quality in a small format, making it the perfect companion for all astronomy enthusiasts.<\/p>","protected":false},"excerpt":{"rendered":"<p>Skywatcher Skymax-90 OTA : tube optique Maksutov compact, pr\u00e9cis et id\u00e9al pour l\u2019observation plan\u00e9taire Le Skywatcher Skymax-90 OTA est un tube optique de type Maksutov-Cassegrain con\u00e7u pour offrir des performances \u00e9lev\u00e9es dans un format extr\u00eamement compact. Id\u00e9al pour les astronomes d\u00e9butants comme pour les observateurs exp\u00e9riment\u00e9s \u00e0 la recherche d\u2019un instrument portable, il combine simplicit\u00e9 [&hellip;]<\/p>\n","protected":false},"featured_media":14603,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[822],"product_cat":[392,752],"product_tag":[],"class_list":{"0":"post-14602","1":"product","2":"type-product","3":"status-publish","4":"has-post-thumbnail","6":"product_brand-sky-watcher","7":"product_cat-telescopes_reflecteurs","8":"product_cat-maksutov-cassegrain","10":"first","11":"on_supplier","12":"taxable","13":"shipping-taxable","14":"purchasable","15":"product-type-simple"},"_links":{"self":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product\/14602","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=14602"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/14603"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=14602"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=14602"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=14602"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=14602"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}