{"product_id":"sevunscope-advanced-200-800","title":"Sevunscope Advanced 200\/800","description":"\u003cp data-start=\"4473\" data-end=\"4542\"\u003e\u003cstrong data-start=\"4473\" data-end=\"4542\"\u003eThe rigid, modular telescope, scalable and designed to go further\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"4544\" data-end=\"4917\"\u003eThe Sevunscope \u003cstrong data-start=\"4559\" data-end=\"4571\"\u003eAdvanced\u003c\/strong\u003e 200 f\/4 is designed to capture the maximum amount of light within an advanced mechanical platform. Combining a comfortable 200 mm aperture with an 800 mm focal length, it delivers exceptional brightness for both astrophotography and visual observation of diffuse objects, while benefiting from the telescopic architecture of the Advanced system.\u003c\/p\u003e\n\u003cp data-start=\"4919\" data-end=\"4960\"\u003e\u003cstrong data-start=\"4919\" data-end=\"4960\"\u003eThe idea behind the Advanced platform\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"4962\" data-end=\"5354\"\u003eInstead of enclosing the optics in a sheet-metal tube, we developed an open platform made of aeronautical-grade aluminum integrating a telescopic mechanism. This architecture makes it possible to adjust the length of the platform in order to accommodate different focal lengths, while ensuring high mechanical rigidity. The platform provides the structure, while the modules carry the optics.\u003c\/p\u003e\n\u003cp data-start=\"5356\" data-end=\"5390\"\u003e\u003cstrong data-start=\"5356\" data-end=\"5390\"\u003eWhat this changes in the field\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"5392\" data-end=\"5632\"\u003e\u003cstrong data-start=\"5392\" data-end=\"5418\"\u003eControlled transport :\u003c\/strong\u003e The telescope remains fully disassemblable and transportable, while accepting a more massive structure linked to the telescopic mechanism. A deliberate compromise to benefit from a versatile and scalable platform.\u003c\/p\u003e\n\u003cp data-start=\"5634\" data-end=\"5815\"\u003e\u003cstrong data-start=\"5634\" data-end=\"5659\"\u003eThermal equilibrium :\u003c\/strong\u003e The open structure allows the mirrors to reach thermal balance naturally and quickly, eliminating the internal air-current effect specific to closed tubes.\u003c\/p\u003e\n\u003cp data-start=\"5817\" data-end=\"6082\"\u003e\u003cstrong data-start=\"5817\" data-end=\"5837\"\u003eDurable design :\u003c\/strong\u003e The use of aluminum combined with high-performance Nylon components (SLS 3D printing) guarantees a rigid and long-lasting instrument. Each unit is assembled and inspected by hand in our workshop. The mechanical structure is guaranteed for life.\u003c\/p\u003e\n\u003cp data-start=\"6084\" data-end=\"6119\"\u003e\u003cstrong data-start=\"6084\" data-end=\"6119\"\u003eA reliable optical system (GSO)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"6121\" data-end=\"6495\"\u003eThe 200 f\/4 is a reference for deep-sky imaging. Its 800 mm focal length allows the capture of wide fields and extended galactic structures. Equipped with a 2\" Crayford focuser (with 1.25\" adapter) and a 62.5 mm secondary mirror, it ensures excellent field coverage for imaging sensors, while integrating into a platform capable of evolving toward longer focal lengths.\u003c\/p\u003e\n\u003cp data-start=\"6497\" data-end=\"6549\"\u003e\u003cstrong data-start=\"6497\" data-end=\"6549\"\u003eAn investment for your lifetime as an astronomer\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"6551\" data-end=\"6851\"\u003eThe key strength of the Sevun system is its modularity. Your practice evolves ? Your instrument does too. With the \u003cstrong data-start=\"6666\" data-end=\"6678\"\u003eAdvanced\u003c\/strong\u003e platform, you retain your platform and can evolve your optical configuration toward other focal lengths or diameters, without calling your initial investment into question.\u003c\/p\u003e\n\u003cp data-start=\"6853\" data-end=\"6881\"\u003e\u003cstrong data-start=\"6853\" data-end=\"6881\"\u003eTechnical Specifications\u003c\/strong\u003e\u003c\/p\u003e\n\u003ctable\u003e\n\u003cthead\u003e\n\u003ctr\u003e\n\u003cth\u003eData\u003c\/th\u003e\n\u003cth\u003eSpecification\u003c\/th\u003e\n\u003c\/tr\u003e\n\u003c\/thead\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eUsable aperture\u003c\/td\u003e\n\u003ctd\u003e200 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocal length \/ F-ratio\u003c\/td\u003e\n\u003ctd\u003e800 mm \/ f\/4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\n\u003cp\u003e\u003ccode data-start=\"912\" data-end=\"973\"\u003eArchitecture\u003c\/code\u003e\u003c\/p\u003e\n\u003c\/td\u003e\n\u003ctd\u003e\u003ccode data-start=\"912\" data-end=\"973\"\u003eModular telescopic sliding optical platform\u003c\/code\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003ccode data-start=\"976\" data-end=\"1022\"\u003ePlatform length\u003c\/code\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003ccode data-start=\"976\" data-end=\"1022\"\u003e900 mm + 270 mm extension\u003c\/code\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003eTotal deployed length \u003c\/span\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan style=\"font-size: 0.875rem;\"\u003e1170 mm\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTotal weight (ready for use)\u003c\/td\u003e\n\u003ctd\u003e13.43 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSecondary mirror (minor axis)\u003c\/td\u003e\n\u003ctd\u003e62,5 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eLinear obstruction\u003c\/td\u003e\n\u003ctd\u003e31,3 %\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFocuser\u003c\/td\u003e\n\u003ctd\u003e2\" Crayford (with 1.25\" adapter)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eTrue field (with supplied 20 mm eyepiece)\u003c\/td\u003e\n\u003ctd\u003e1.70° on the sky\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMount interface\u003c\/td\u003e\n\u003ctd\u003eVixen dovetail (Losmandy on request)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003cp\u003e\u0026nbsp;\u003c\/p\u003e\n\u003cp data-start=\"7298\" data-end=\"7328\"\u003e\u003cstrong data-start=\"7298\" data-end=\"7328\"\u003eMagnification capabilities\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"7330\" data-end=\"7398\"\u003eMinimum useful : 29×\u003cbr data-start=\"7350\" data-end=\"7353\"\u003eResolving : 200×\u003cbr data-start=\"7369\" data-end=\"7372\"\u003eRecommended maximum : 400×\u003c\/p\u003e\n\u003cp data-start=\"7400\" data-end=\"7420\"\u003e\u003cstrong data-start=\"7400\" data-end=\"7420\"\u003ePackage contents\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"7422\" data-end=\"7489\"\u003eThe instrument is delivered complete, ready for use on your mount :\u003c\/p\u003e\n\u003cp data-start=\"7491\" data-end=\"7915\"\u003e\u003cstrong\u003ePlan Advanced :\u003c\/strong\u003e Aluminum structure with integrated telescopic mechanism (6.8 kg).\u003cbr data-start=\"7572\" data-end=\"7575\"\u003e\u003cstrong\u003e200\/800 optical kit :\u003c\/strong\u003e Primary and secondary modules (5.0 kg).\u003cbr data-start=\"7627\" data-end=\"7630\"\u003e\u003cstrong\u003eProtection : \u003c\/strong\u003eLight-shroud skirt and 6 pultruded carbon support rods (0.6 kg).\u003cbr data-start=\"7698\" data-end=\"7701\"\u003e\u003cstrong\u003eFocusing : \u003c\/strong\u003e2\" Crayford focuser (with 1.25\" adapter).\u003cbr data-start=\"7760\" data-end=\"7763\"\u003e\u003cstrong\u003eIncluded accessories : \u003c\/strong\u003e6×30 illuminated finder, collimation laser.\u003cbr data-start=\"7829\" data-end=\"7832\"\u003e\u003cstrong\u003eUWA 68° eyepiece duo : \u003c\/strong\u003e9 mm and 20 mm for full immersion from the very first night.\u003c\/p\u003e\n\u003cp data-start=\"7917\" data-end=\"7939\"\u003e\u003cstrong data-start=\"7917\" data-end=\"7939\"\u003eSystem scalability\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"7941\" data-end=\"8185\"\u003eThe Plan \u003cstrong data-start=\"7950\" data-end=\"7962\"\u003eAdvanced\u003c\/strong\u003e is designed to accompany your progression. The chassis remains the same; only the optics evolve. As an indication, here is the evolution of total weight (ready for use) if you decide to move to a different aperture later :\u003c\/p\u003e\n\u003cp data-start=\"8187\" data-end=\"8285\"\u003e\u003cstrong\u003e150 mm configuration : \u003c\/strong\u003e11.03 kg\u003cbr data-start=\"8217\" data-end=\"8220\"\u003e\u003cstrong\u003e200 mm configuration : \u003c\/strong\u003e13.43 kg\u003cbr data-start=\"8250\" data-end=\"8253\"\u003e\u003cstrong\u003e250 mm configuration : \u003c\/strong\u003e16.13 kg\u003c\/p\u003e","brand":"SEVUN","offers":[{"title":"Default Title","offer_id":56237222166852,"sku":null,"price":3098.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0849\/9599\/8020\/files\/A200-800_004_01.jpg?v=1775153009","url":"https:\/\/sevun.fr\/en\/products\/sevunscope-advanced-200-800","provider":"SEVUN","version":"1.0","type":"link"}