{"product_id":"baader-planetarium-m48-metal-dustcap-with-m48a-male-thread","title":"Baader Planetarium M48 Metal Dustcap with M48a male thread","description":"\u003cul class=\"DAV-feature-list\"\u003e\n\u003cli\u003eDurable All-Metal Construction\u003c\/li\u003e\n\u003cli\u003eM48 Male (Outer) Thread\u003c\/li\u003e\n\u003cli\u003eSecure Screw-On Fit\u003c\/li\u003e\n\u003cli\u003eProtects Against Dust and Moisture\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\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\u003eM48 Metal Dustcap with M48a male thread\u003c\/h2\u003e\n      \u003cp\u003eThis M48 Metal Dustcap provides a secure, durable seal for any M48 female-threaded accessory in your imaging train. Constructed from solid metal, it offers superior protection against dust, moisture, and impact compared to standard plastic caps, ensuring your optics remain pristine.\u003c\/p\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv class=\"DAV-bg-light\"\u003e\n    \u003cdiv class=\"DAV-section\"\u003e\n      \u003ch3\u003eProtect Your M48 Accessories with a Secure Metal Seal\u003c\/h3\u003e\n      \u003cp\u003eUnlike push-fit or plastic caps that can loosen or crack over time, this all-metal cap threads directly into M48 female ports for a positive, secure fit. This ensures that sensitive components like camera sensors, filter wheels, or reducer threads remain completely sealed during storage and transport.\u003c\/p\u003e\n      \u003cul\u003e\n        \u003cli\u003e\n\u003cstrong\u003eDurable Metal Construction:\u003c\/strong\u003e Resists cracking and impact far better than plastic, offering long-term protection for your investment.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eSecure M48 Male Thread:\u003c\/strong\u003e Screws into M48 female threads on reducers, flatteners, and camera adapters, preventing it from being accidentally knocked off.\u003c\/li\u003e\n        \u003cli\u003e\n\u003cstrong\u003eEnhanced Environmental Seal:\u003c\/strong\u003e Provides a superior barrier against dust, pollen, and moisture, keeping your optical surfaces clean and ready for use.\u003c\/li\u003e\n      \u003c\/ul\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n\u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat is the primary use for the M48 Metal Dustcap?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThe primary use for the M48 Metal Dustcap is to seal and protect any accessory with a standard female M48 (2-inch filter) thread. This includes field flatteners, reducers, off-axis guiders, filter wheels, and camera nosepieces when they are not attached to a telescope.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWill this M48 Metal Dustcap fit my 2-inch filter wheel?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eYes, if your filter wheel has female M48x0.75 threads on the telescope or camera side, this cap will screw in securely. It's an excellent way to protect the internal filters and an attached camera sensor from dust when the filter wheel is not in use.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eI store my field flattener in a case with other accessories. Is this M48 Metal Dustcap a good choice?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eAbsolutely. Its robust metal construction provides excellent protection against bumps and impacts from other items in your accessory case. This prevents potential damage to the delicate threads or the rear lens element of your flattener, which a plastic cap might not withstand.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhy choose a metal M48 dustcap over a standard plastic one?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eA metal cap offers two key advantages over plastic. First, its \u003cstrong\u003ethreaded fit\u003c\/strong\u003e is far more secure than a push-fit cap and won't get knocked off accidentally. Second, its \u003cstrong\u003edurability\u003c\/strong\u003e is significantly better, as it won't crack from impacts or become brittle from temperature changes.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eWhat does \"M48a male thread\" on this dustcap mean?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eThis refers to a standard \u003cstrong\u003eM48x0.75 male (outer) thread\u003c\/strong\u003e. It's the same thread found on 2-inch astronomy filters, making this cap compatible with a vast range of astronomical equipment from nearly all manufacturers.\u003c\/p\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion\"\u003e\n    \u003ch3 class=\"DAV-accordion-Q\"\u003eCan I use this M48 Metal Dustcap to seal the front of my telescope?\u003c\/h3\u003e\n  \u003c\/div\u003e\n  \u003cdiv class=\"DAV-accordion-A\"\u003e\n    \u003cp\u003eOnly if your telescope's focuser or an attached adapter terminates in a female M48 thread. It is not designed to be a primary objective lens cap for a telescope, but rather to seal smaller threaded openings within an imaging or visual accessory train.\u003c\/p\u003e\n  \u003c\/div\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ctable class=\"DAV-specifications\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eMetal\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eThread\u003c\/td\u003e\n\u003ctd\u003eM48 Male (M48x0.75)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eNet weight (kg)\u003c\/td\u003e\n\u003ctd\u003e0.01\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCompatible Brands\u003c\/td\u003e\n\u003ctd\u003eBaader Planetarium, Zeiss\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eOuter Diameter\u003c\/td\u003e\n\u003ctd\u003e53 mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n  \u003cul class=\"DAV-grid\"\u003e\n    \u003cli class=\"DAV-grid-item\"\u003e\n      \u003cdiv\u003e\n        \u003cp class=\"DAV-item-title\"\u003eM48 Metal Dustcap with Male Thread\u003c\/p\u003e\n        \u003cp class=\"DAV-item-subtitle\"\u003e× 1\u003c\/p\u003e\n      \u003c\/div\u003e\n    \u003c\/li\u003e\n  \u003c\/ul\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003ca href=\"https:\/\/davidastro.com\/pages\/baader-planetarium-warranty-policy\" rel=\"noopener\" target=\"_blank\"\u003eBaader Planetarium Warranty\u003c\/a\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Baader Planetarium","offers":[{"title":"Default Title","offer_id":52913154195741,"sku":"BAA-2958601","price":37.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0753\/5280\/1565\/files\/BaaderPlanetarium-M48-Metal-Dustcap-with-M48a-male-thread-1_abec0e29-56b9-40e7-93bc-5cbd11794374.jpg?v=1789086830","url":"https:\/\/davidastro.com\/fr\/products\/baader-planetarium-m48-metal-dustcap-with-m48a-male-thread","provider":"David Astro","version":"1.0","type":"link"}