{"product_id":"baader-diamond-steeltrack-2-focuser-for-refractors-bds-rt","title":"Baader Diamond Steeltrack 2\" Focuser For Refractors - BDS-RT","description":"\u003ccenter\u003e\n\u003ch3\u003eBaader Diamond Steeltrack 2\" Focuser For Refractors\u003c\/h3\u003e\n\u003c\/center\u003e\n\u003cul\u003e\n\u003cli\u003eBaader Diamond Steeltrack (BDS-RT) for Refractors with 80 mm focus travel\u003c\/li\u003e\n\u003cli\u003eMinimum height (as supplied – incl. 2\" clamp): 78 mm\u003c\/li\u003e\n\u003cli\u003eMinimum height (with optional S58 direct-thread adapters): 65 mm\u003c\/li\u003e\n\u003cli\u003eFocuser weight (as supplied – incl. 2\" Klemme): 1.160 g (40.9 oz)\u003c\/li\u003e\n\u003cli\u003eAdapters available or under development to fit a wide variety of refractor telescopes\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cspan style=\"text-decoration: underline;\"\u003eNOTE\u003c\/span\u003e: This product is specifically designed for Refractor scopes.\u003c\/p\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003ccenter\u003e\n\u003ch3\u003eGeneral Specifications for all Baader Diamond Steeltrack\u003csup\u003e®\u003c\/sup\u003e (BDS) focusers:\u003c\/h3\u003e\n\u003c\/center\u003e\n\u003cmeta charset=\"utf-8\"\u003e\n\u003ch4\u003eDrive system:\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003eTrue diamonds form a micro-geared high precision drive system never accomplished before\u003c\/li\u003e\n\u003cli\u003eIn comparison to conventional crayford or rack \u0026amp; pinion drives, this micro-geared movement has zero backlash, zero cogging, and zero flexure\u003c\/li\u003e\n\u003cli\u003eDiamond Steeltrack 2\" focusers lift a payload of 6kg (13 lbs) straight up, without slipping, without excessive bearing preload (bearing preload can be increased further if necessary)\u003c\/li\u003e\n\u003cli\u003eBearing system utilizes unbreakable Instrument Grade Roller-Bearings instead of simpler Ball Bearings - handles higher loads with greater rigidity and accuracy. No Teflon-pads anywhere\u003c\/li\u003e\n\u003cli\u003e1:10 Stainless Steel fine-focus mechanism, ready for attachment of the optional Diamond Steeldrive temperature-compensating motor drive system\u003c\/li\u003e\n\u003cli\u003eDetachable drive block assembly is reversible for right hand or left hand fine-focus operation and for attaching the Diamond Steeldrive motor block\u003c\/li\u003e\n\u003cli\u003eShortest possible mechanical design achieves optimum balance between focuser height (backfocus) and rigidity requirements\u003c\/li\u003e\n\u003cli\u003eZero shift locking knob to precisely stop any movement without affecting optical axis adjustment\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eClamping system:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eS58 Dovetail ring-clamp built into focusing tube for accepting optional T-2 \/ M48 \/ M68 and other S58 direct-thread adapters to enable direct thread connection of accessories and cameras without 2\" clamp\u003c\/li\u003e\n\u003cli\u003e2\" eyepiece clamp with hardened bronze clamp ring (length of clamp: 12.5mm \/ ½\") included as standard\u003c\/li\u003e\n\u003cli\u003eOptionally available 2\" Baader Clicklock-clamp w. integrated S58 dovetail (added length: 16mm \/ 5\/8\")\u003c\/li\u003e\n\u003cli\u003eTwo auxiliary threads (M60x1 and M55x0,75) cut into the RT \u0026amp; NT focusing-tube for attachment of dedicated field flatteners or focal reducers\/correctors\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cstrong\u003eFocusing Drawtube:\u003c\/strong\u003e\n\u003cul\u003e\n\u003cli\u003eEach bearing individually adjustable for precise alignment of mechanical vs. optical axis\u003c\/li\u003e\n\u003cli\u003eUltra-hard subzero coated bearing races – precision milled and much harder than anodizing or stainless steel\u003c\/li\u003e\n\u003cli\u003eOversized 55mm inner clear diameter, to prevent vignetting, with anti-reflection knife-edge baffles\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":33103080577,"sku":"BAA-BDS-RT","price":336.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/products\/1_dc2e9b2d-a4e1-4195-881e-ae077c7f281e.png?v=1776459281","url":"https:\/\/khanscope.com\/en-fr\/products\/baader-diamond-steeltrack-2-focuser-for-refractors-bds-rt","provider":"Khan Scope Centre","version":"1.0","type":"link"}