{"product_id":"lunt-40mm-dedicated-h-alpha-telescope-f10-with-b500-blocking-filter","title":"Lunt 40mm Dedicated H-Alpha Telescope with B500 Blocking Filter - LS40THa\/B500","description":"\u003ch2 style=\"text-align: center;\"\u003eLunt 40mm Dedicated H-Alpha Telescope with B500 Blocking Filter - LS40THa\/B500 \u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eThe Lunt 40mm Solar Telescope\u003c\/strong\u003e provides the basic essentials perfect for a first time introduction to solar observing. A true grab and go dedicated hydrogen alpha telescope, the Lunt 40mm F\/10 system is sure to impress allowing both amateur and seasoned professions to experience  the awe inspiring phenomena of our closest Star!\u003c\/p\u003e\n\u003cp\u003eEasily portable and a joy to use, the Lunt 40mm has the smallest aperture offering of all the dedicated h-alpha solar telescopes at Lunt Solar Systems, while providing the power,  amazing detail and quality you expect from a Lunt Telescope -all at an impressive ~\u003cb\u003e4.0mm Solar Image Size!\u003c\/b\u003e \u003c\/p\u003e\n\u003cp\u003eThis\u003cb\u003e Lunt 40mm Hydrogen Alpha Telescop\u003c\/b\u003ee includes a Non-Rotating Helical Focuser, integrated Vixen Style Dovetail, a built-in Sol Searcher sun finder and a B500 Blocking Filter for visual use.  For photographic use, we recommend a B600 or B1200 blocking filter.\u003c\/p\u003e\n\u003cp\u003e \u003cstrong\u003eSpecifications: \u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Wavelength:\u003c\/strong\u003e 656.28nm. Hydrogen-alpha\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eSystem Focal Ratio\u003c\/b\u003e: f10\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocal Length:  \u003c\/strong\u003e400 mm\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eObjective\u003c\/b\u003e: Precision Doublet (Optimized at 656nm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eObjective Coating:\u003c\/strong\u003e  Ion Assist Ultra-Narrowband AR (656 nm)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFocuser:\u003c\/strong\u003e  Non-rotating helical\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSun Finder:\u003c\/strong\u003e  Built-in Tele Vue Sol Searcher\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEtalon Size:\u003c\/b\u003e 40mm full aperture\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eEtalon Material:\u003c\/strong\u003e  UV Grade Fused Silica\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEtalon Tuning:\u003c\/b\u003e Tilt\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEtalon FWHM (Bandpass)\u003c\/b\u003e: \u0026lt;0.7 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eBlocking Filter:\u003c\/b\u003e 5mm in 1.25\" diagonal\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBlocking Filter Bandpass:\u003c\/strong\u003e  6 A\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMounting Foot:\u003c\/strong\u003e 4\" Vixen dovetail plate\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eWeight of Telescope: \u003c\/b\u003e2.8 lb\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTelescope Storage:\u003c\/strong\u003e  Box with fitted foam\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eNOTE; Telescope in photo is show with OPTIONAL LUNT ZOOM EYEPIECE.  Not included with this purchase and for illustrative purposes only \u003c\/p\u003e","brand":"Lunt Solar Systems","offers":[{"title":"Default Title","offer_id":39358476583025,"sku":"LUN-LS40THa\/B500","price":739.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/products\/image_1329b0ad-7ee4-4c6d-9b31-d51dae1d909a.jpg?v=1776458935","url":"https:\/\/khanscope.com\/en-fr\/products\/lunt-40mm-dedicated-h-alpha-telescope-f10-with-b500-blocking-filter","provider":"Khan Scope Centre","version":"1.0","type":"link"}