{"id":11808,"date":"2025-11-08T07:18:17","date_gmt":"2025-11-08T06:18:17","guid":{"rendered":"https:\/\/deep-space-astronomy.ch\/?post_type=product&#038;p=11808"},"modified":"2025-11-08T07:18:31","modified_gmt":"2025-11-08T06:18:31","slug":"sesto-senso-3-ls-focuser-robotique-pour-objectifs-photo","status":"publish","type":"product","link":"https:\/\/deep-space-astronomy.ch\/en\/product\/sesto-senso-3-ls-focuser-robotique-pour-objectifs-photo\/","title":{"rendered":"Sesto Senso 3 LS - Robotic focuser for photo lenses"},"content":{"rendered":"<h3>SESTO SENSO 3 LS - Robotic focusing motor for photo lenses<\/h3>\n<p><strong>SESTO SENSO 3 LS<\/strong> is PrimaLuceLab's most advanced robotic fine-tuning engine dedicated to <strong>photographic lenses<\/strong>\u00a0(Canon, Nikon and others). Inherited from versions 1 and 2, it adds exclusive functions designed for astrophotography with lenses, all in a <strong>compact all-in-one package<\/strong> integrating the necessary electronics and interfaces.<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.primalucelab.com\/img\/cms\/sesto-senso-3-ls-robotic-focusing-motor-banner.jpg\" alt=\"SESTO SENSO 3 LS robotic focusing motor for telephoto lenses\" \/><\/p>\n<h3>What's it for?<\/h3>\n<p>In astrophotography, the <strong>focus (MAP) must remain ultra-stable<\/strong> despite temperature variations, accidental rotation of the MAP ring or mechanical microgames. SESTO SENSO 3 LS automates focusing: you control the lens' MAP ring <strong>to the step<\/strong>, from a PC (USB-C), smartphone\/tablet (Wi-Fi\/Virtual HandPad) or software (PLAY\/ASCOM). It also enables <strong>return automatically<\/strong> to the previous position if the ring has been touched (Automatic Position Recovery).<\/p>\n<p><img decoding=\"async\" src=\"https:\/\/www.primalucelab.com\/img\/cms\/sesto-senso-3-ls-robotic-focusing-motor-LGC.jpg\" alt=\"SESTO SENSO 3 LS robotic focusing motor for telephoto lenses\" \/><\/p>\n<h3>What sets it apart from other SESTO SENSO 3s<\/h3>\n<ul>\n<li><strong>VS SESTO SENSO 3 (Crayford\/R&amp;P external)<\/strong> The standard version attaches to <em>external eyepiece holders<\/em> via the <strong>SCC2<\/strong>. The <strong>LS<\/strong> is designed <em>specifically<\/em> for <strong>photo lenses<\/strong> and drives their MAP ring directly with the <strong>Lens Gear Clamp (LGC)<\/strong>, <strong>without external belt<\/strong>.<\/li>\n<li><strong>VS SESTO SENSO 3 SC (SC with internal MAP)<\/strong> version <strong>SC<\/strong> pilots the <em>internal mirror focusing<\/em> (Schmidt-Cassegrain\/EdgeHD\/RASA\/MAK180) via the <strong>Direct Pulley Clamp (DPC)<\/strong> and offers a <strong>automatic calibration mode<\/strong> of travel. The <strong>LS<\/strong> is dedicated to <strong>manual-ring photo lenses<\/strong> and uses the <strong>LGC<\/strong>.<\/li>\n<\/ul>\n<p><img decoding=\"async\" src=\"https:\/\/www.primalucelab.com\/img\/cms\/sesto-senso-3-ls-robotic-focusing-motor-encoder.gif\" alt=\"SESTO SENSO 3 LS robotic focusing motor for telephoto lenses\" \/><\/p>\n<h3>Highlights (LS version)<\/h3>\n<ul>\n<li><strong>All-in-one compact chassis<\/strong> for photo lenses (Canon, Nikon, and others).<\/li>\n<li><strong>Integrated encoder<\/strong> position tracking, manual movements possible without loss of reference, with <em>Automatic Position Recovery<\/em> (delay adjustable from 0 to 20 s).<\/li>\n<li><strong>Lens Gear Clamp (LGC)<\/strong> : gear drive <strong>without play<\/strong>, <strong>without external belt<\/strong>, for smooth, precise MAP.<\/li>\n<li><strong>High-resolution engine<\/strong> : <strong>2 million steps<\/strong> to fine-tune the MAP ring on telephoto lenses.<\/li>\n<li><strong>USB-C<\/strong> for control from a PC (Windows\/EAGLE).<\/li>\n<li><strong>Wi-Fi + Virtual HandPad<\/strong> control from smartphone\/tablet, even without a PC.<\/li>\n<li><strong>PLAY compatibility<\/strong> position control, <em>autofocus<\/em>, thermal compensation.<\/li>\n<li><strong>ASCOM drivers<\/strong> for third-party astrophotography software.<\/li>\n<li><strong>Port ARCO<\/strong> direct connection of the ARCO rotator (data + power supply via a single cable).<\/li>\n<li><strong>DARK Mode<\/strong> Adjustable LEDs, completely deactivatable.<\/li>\n<li><strong>GHOST Mode<\/strong> (with EAGLE): operation without USB cable.<\/li>\n<li><strong>Temperature sensor port<\/strong> for automatic MAP compensation.<\/li>\n<li><strong>Made in Italy<\/strong> - <strong>Weight :<\/strong> 515 g (1.1 lb).<\/li>\n<\/ul>\n<h3>Design and connectivity<\/h3>\n<p>Lightweight case with side ports : <strong>USB-C<\/strong> (PC\/EAGLE), <strong>ARCO port<\/strong> (rotator), <strong>12 V power supply<\/strong> (5.5\/2.5 mm, center +) and <strong>temperature sensor port<\/strong>. Status LEDs are <strong>scalable<\/strong> and can be deactivated to avoid stray light during poses.<\/p>\n<h3>Simple mounting with Lens Gear Clamp (LGC)<\/h3>\n<p>Visit <strong>LGC<\/strong> is designed for photo lenses with <strong>manual focus ring<\/strong> (Canon, Nikon and others). L\u2019<strong>rubber gear<\/strong> directly drives the MAP ring (<strong>without belt<\/strong>). Visit <strong>clamping Arca-Swiss<\/strong> allows the SESTO SENSO 3 LS to be mounted on a <strong>Vixen PLUS bar<\/strong> for easy alignment. MAP <strong>is still possible<\/strong> at any time, with the encoder holding the position.<\/p>\n<p>If your lens does not have a <em>L-Bracket<\/em> with photo thread for attachment to the Vixen PLUS bar, one <strong>optional secondary support<\/strong> for photo lenses is available to ensure stability and alignment.<\/p>\n<p>To optimize adhesion on different MAP bushings, two <strong>interchangeable rubber gears<\/strong> are supplied: one for rings up to ~18 mm wide and one for thicker rings.<\/p>\n<p><strong>Compatibility examples<\/strong> (not exhaustive) :<\/p>\n<ul>\n<li>Nikkor Z 70-200 mm f\/2.8 VR S<\/li>\n<li>Nikkor Z 100-400 mm f\/4.5-5.6 VR S<\/li>\n<li>Nikkor Z 24-120 mm f\/4 S<\/li>\n<li>Nikkor Z 24-70 mm f\/4 S<\/li>\n<li>And other telephoto lenses with manual MAP ring<\/li>\n<\/ul>\n<h3>Integrated encoder and automatic recovery<\/h3>\n<p>The high-resolution encoder precisely follows the rotation of the motor shaft. You can <strong>turn lens ring by hand<\/strong> (LS on) without losing position. The function <strong>Automatic Position Recovery<\/strong> can <strong>return MAP to previous position<\/strong> after manual\/accidental rotation (delay 0-20 s). <em>Note:<\/em> encoder detects motor rotation, not any possible <em>internal shifts<\/em> to the lens mechanism.<\/p>\n<h3>Technical data<\/h3>\n<table>\n<tbody>\n<tr>\n<td><strong>Usage<\/strong><\/td>\n<td>Telephoto lenses (Canon, Nikon, etc.)<\/td>\n<\/tr>\n<tr>\n<td><strong>Drive system<\/strong><\/td>\n<td><strong>LGC<\/strong> (rubber gear, no external belt)<\/td>\n<\/tr>\n<tr>\n<td><strong>Engine resolution<\/strong><\/td>\n<td><strong>2 million steps<\/strong><\/td>\n<\/tr>\n<tr>\n<td><strong>Interfaces<\/strong><\/td>\n<td>USB-C, Wi-Fi (Virtual HandPad), ARCO port, temperature sensor port<\/td>\n<\/tr>\n<tr>\n<td><strong>Functions<\/strong><\/td>\n<td>Autofocus (PLAY), ASCOM, DARK Mode, GHOST Mode (with EAGLE)<\/td>\n<\/tr>\n<tr>\n<td><strong>Power supply<\/strong><\/td>\n<td>12 V DC (5.5\/2.5 mm, positive center)<\/td>\n<\/tr>\n<tr>\n<td><strong>Weight<\/strong><\/td>\n<td><strong>515 g<\/strong> (1.1 lb)<\/td>\n<\/tr>\n<tr>\n<td><strong>Manufacturing<\/strong><\/td>\n<td>Italy<\/td>\n<\/tr>\n<\/tbody>\n<\/table>\n<h3>Box contents<\/h3>\n<ul>\n<li>SESTO SENSO 3 LS<\/li>\n<li><strong>Arca-Swiss necklace<\/strong> (clamp)<\/li>\n<li><strong>Rubber gears<\/strong> 6 mm and 18 mm<\/li>\n<li>USB-C to USB-A cable<\/li>\n<li>12 V power cable (cigarette-lighter plug)<\/li>\n<li>Hexagonal wrenches<\/li>\n<li>Quick installation guide<\/li>\n<\/ul>","protected":false},"excerpt":{"rendered":"<p>SESTO SENSO 3 LS \u2013 Moteur de mise au point robotis\u00e9 pour objectifs photo SESTO SENSO 3 LS est le moteur de mise au point robotis\u00e9 le plus avanc\u00e9 de PrimaLuceLab d\u00e9di\u00e9 aux objectifs photographiques\u00a0(Canon, Nikon, et autres). H\u00e9rit\u00e9 des versions 1 et 2, il ajoute des fonctions exclusives pens\u00e9es pour l\u2019astrophotographie avec objectifs, le [&hellip;]<\/p>\n","protected":false},"featured_media":11809,"comment_status":"open","ping_status":"closed","template":"","meta":[],"product_brand":[594],"product_cat":[609],"product_tag":[],"class_list":["post-11808","product","type-product","status-publish","has-post-thumbnail","product_brand-primalucelab","product_cat-systeme-de-map-robotique","first","on_supplier","taxable","shipping-taxable","purchasable","product-type-simple"],"_links":{"self":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product\/11808","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=11808"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media\/11809"}],"wp:attachment":[{"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/media?parent=11808"}],"wp:term":[{"taxonomy":"product_brand","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_brand?post=11808"},{"taxonomy":"product_cat","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_cat?post=11808"},{"taxonomy":"product_tag","embeddable":true,"href":"https:\/\/deep-space-astronomy.ch\/en\/wp-json\/wp\/v2\/product_tag?post=11808"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}