{"product_id":"primalucelab-pl8410011","title":"PrimaLuceLab 3\" Visual Back for ESATTO 3.5” LP","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eAdapts ESATTO 3.5\" LP focusers to accept 3\" accessories\u003c\/li\u003e\n\u003cli\u003eInternal brass compression ring prevents scratches\u003c\/li\u003e\n\u003cli\u003eMultiple locking screws ensure a secure, centered fit\u003c\/li\u003e\n\u003cli\u003eDesigned to support heavy cameras and imaging trains\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c!-- more --\u003e\n\u003cul class=\"tabs\"\u003e\n\u003cli class=\"active\"\u003eDescription\u003c\/li\u003e\n\u003cli\u003eFAQ\u003c\/li\u003e\n\u003cli\u003eSpecifications\u003c\/li\u003e\n\u003cli\u003eIn the Box\u003c\/li\u003e\n\u003cli\u003eWarranty\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul class=\"tabs-content\"\u003e\n\u003cli class=\"active\"\u003e\n\u003cdiv\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section-center\"\u003e\n\u003ch2\u003e3\" Visual Back for ESATTO 3.5” LP\u003c\/h2\u003e\n\u003cp\u003eThis visual back provides a robust and secure connection point for attaching any 3-inch nosepiece, eyepiece, or camera to your PrimaLuceLab ESATTO 3.5” LP robotic focuser. It is engineered specifically to handle the weight of demanding astrophotography setups while protecting your equipment from damage. The design integrates a non-marring brass compression ring and a multi-point locking system to guarantee a perfectly centered and rigid optical train.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-bg-light\"\u003e\n\u003cdiv class=\"DAV-section\"\u003e\n\u003ch3\u003eSecure, Non-Marring Connection for 3\" Accessories\u003c\/h3\u003e\n\u003cp\u003eWhen using heavy cameras or large format eyepieces, a simple thumbscrew is not enough to prevent flexure or slippage. This visual back uses multiple locking screws distributed around the collar, allowing you to apply even, firm pressure for a solid fit. Inside, a brass compression ring grips your accessory's barrel securely without leaving the scratches and gouges common with single-screw designs, preserving the finish on your valuable equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the main function of the PrimaLuceLab 3\" visual back for ESATTO 3.5\" LP?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIts primary function is to adapt the M98 drawtube thread of the \u003cstrong\u003eESATTO 3.5\" LP focuser\u003c\/strong\u003e so that it can accept accessories with a standard \u003cstrong\u003e3-inch nosepiece\u003c\/strong\u003e. This allows you to connect large format cameras, diagonals, and eyepieces directly to the focuser.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eHow does the 3\" visual back prevent damage to eyepieces and camera nosepieces?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eIt features an \u003cstrong\u003einternal brass compression ring\u003c\/strong\u003e. When you tighten the locking screws, this soft metal ring clamps down evenly around the barrel of your accessory. Unlike direct screw-on-barrel contact, this method avoids scratching, denting, or marring the surface of your equipment.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIs the ESATTO 3.5\" LP visual back recommended for heavy imaging setups?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eYes. It is specifically designed for this purpose. The use of multiple locking screws provides a much more secure and stable connection than a single thumbscrew, preventing tilt and flexure even with heavy cameras, filter wheels, and off-axis guiders attached.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eWhich focuser does this 3\" visual back connect to?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eThis adapter is designed exclusively for the \u003cstrong\u003ePrimaLuceLab ESATTO 3.5” LP (Low Profile)\u003c\/strong\u003e robotic focuser. It will not fit other ESATTO models or focusers from other brands.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eDoes this adapter allow me to attach my ESATTO focuser to a Celestron EdgeHD telescope?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eNo, this is an output adapter, not an input adapter. This 3\" visual back connects accessories \u003cstrong\u003eto the drawtube\u003c\/strong\u003e of the ESATTO focuser. To connect the entire ESATTO focuser \u003cstrong\u003eto the back of a telescope\u003c\/strong\u003e like a Celestron SCT or EdgeHD, you would need a separate telescope-side adapter.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion\"\u003e\n\u003ch3 class=\"DAV-accordion-Q\"\u003eIf I'm imaging a large target like the Andromeda Galaxy (M31), why is a secure connection from this visual back important?\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv class=\"DAV-accordion-A\"\u003e\n\u003cp\u003eImaging large targets like the Andromeda Galaxy (M31) often requires long exposures. Any amount of tilt or flexure in the imaging train, which can be caused by a weak accessory connection, will result in elongated or trailed stars, especially at the corners of the frame. The secure, multi-screw locking system of this visual back ensures your camera remains perfectly orthogonal to the light path, maintaining sharp stars across the entire field of view.\u003c\/p\u003e\n\u003c\/div\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cul class=\"DAV-grid\"\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\u003ca href=\"https:\/\/davidastro.com\/pages\/primalucelab-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003ePrimaLuceLab 1-Year Warranty\u003c\/a\u003e\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"PrimaLuceLab","offers":[{"title":"Default Title","offer_id":52913380426013,"sku":"PLL-PL8410011","price":133.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/PrimaLuceLab-3-visual-back-for-ESATTO-3-5-LP-1_42740976-03c3-4ec1-8d5e-a02565158cda.jpg?v=1789090119","url":"https:\/\/davidastro.com\/products\/primalucelab-pl8410011","provider":"David Astro","version":"1.0","type":"link"}