{"product_id":"lunt-60mm-ha-etalon-filter-ls60fha","title":"Lunt 60mm Ha Etalon Filter (LS60FHaP) - New Gen Etalon","description":"\u003ch1\u003eLunt 60mm Ha Etalon Filter\u003c\/h1\u003e\n\u003cp\u003eThe Lunt LS60FHa is a 60 mm aperture (no central obstruction) integrally tuned etalon for use on a customer supplied refractor.\u003c\/p\u003e\n\u003cp\u003eA B600 blocking filter provides full disk images on telescopes up to 540 mm focal length. Larger blocking filters suitable for longer focal length telescopes are also available options.  Choose the filter\/blocking filter package that is suitable for your telescope and your focuser size:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eB600 – Up to 540 mm focal length, offered in 1.25″ or 2″ diagonal\u003c\/li\u003e\n\u003cli\u003eB1200 – Up to 1080 mm focal length, offered in 1.25″ or 2″ diagonal\u003c\/li\u003e\n\u003cli\u003eB1800 – Up to 1620 mm focal length, offered in 1.25″ or 2″ diagonal\u003c\/li\u003e\n\u003cli\u003eB3400 – Up to 3060 mm focal length, offered in 2″ straight-through tube\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThis Hydrogen-alpha filter is designed to retrofit (adapters required) a customer-supplied telescope for use during the day. It is easily removable so that the scope can continue to be used for night observing.\u003c\/p\u003e\n\u003cp\u003eBecause the LS60FHa H-Alpha Filter has an estimated bandpass of \u0026lt;0.4 Angstrom, it is capable of providing high contrast views of both surface and edge detail. Adding an additional etalon system (double-stacking) will reduce the bandpass to ~\u0026lt;0.22 (dependent upon scope) allowing for higher resolution viewing and\/or imaging. An LS60FHa H-Alpha Filter without blocking filter is offered for this purpose or for those who already have a Lunt blocking filter. A Lunt blocking filter must be used with Lunt Ha filters at all times.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLS60FHa H-Alpha Filter, 60mm front-mounted non-obstructed hydrogen-alpha filter for use on a wide range of telescopes!\u003c\/li\u003e\n\u003cli\u003e\n\u003cul\u003e\n\u003cli\u003eAccommodates LS60THA and LS60MT Telescopes without need for adapter\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eConnect the Lunt LS60FHa to your telescope with the appropriate adapter (sold separately), or use it to double-stack on an existing Lunt 60mm https:\/\/luntsolarsystems.com\/product-category\/solar-deep-space-universal-telescopes\/60mm-universal-telescopes\/”\u0026gt;LS60THa solar telescope or filter for a ~\u0026lt;0.22A band pass!\u003c\/li\u003e\n\u003cli\u003eChoose the appropriate LS60FHa and blocking filter for your telescope’s focal length and focuser size.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003eOptical Aperture: 60 mm\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eEtalon: Internal \u0026lt;0.4 Angstrom\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eTuning: Tilt\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eFocal Length: Customer Telescope\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eStorage: Aluminum finished hard case with fitted foam\u003c\/li\u003e\n\u003cli data-mce-fragment=\"1\"\u003eWeight: 3 lb (~1.5 kg)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cbr\u003e\u003c\/p\u003e\n\u003ch3\u003eIn the Box\u003c\/h3\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\n\u003cli data-mce-fragment=\"1\"\u003e\n\u003cp\u003eLunt 60mm Ha Etalon Filter\u003cbr\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\u003c\/ul\u003e\n\u003cul data-mce-fragment=\"1\"\u003e\u003c\/ul\u003e\n\u003ch3 data-mce-fragment=\"1\"\u003eWarranty \u0026amp; Manuals\u003cbr data-mce-fragment=\"1\"\u003e\n\u003c\/h3\u003e\n\u003cp data-mce-fragment=\"1\"\u003eLunt 5-Year Warranty\u003c\/p\u003e","brand":"Lunt","offers":[{"title":"Default Title","offer_id":43125689942245,"sku":"LS-LS60FHaP","price":2093.0,"currency_code":"CAD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0652\/6245\/2965\/files\/lunt-60mm-ha-etalon-filter-ls60fha-astronomy-plus-1.webp?v=1690483749","url":"https:\/\/istronomyplus.com\/products\/lunt-60mm-ha-etalon-filter-ls60fha","provider":"Astronomy Plus – Telescopes \u0026 Astrophotography Canada","version":"1.0","type":"link"}