{"product_id":"starfield-16-f-4-5-truss-tube-dobsonian-telescope-sf-dob-16","title":"StarField 16\" f\/4.5 Truss Tube Dobsonian Telescope - SF-DOB-16","description":"\u003cp\u003eHave you dreamed of owning a really big \"light bucket\" Dobsonian?  I remember the first time I saw the Horsehead Nebula through a big Dob, and I have dreamed of owning one ever since!  If you feel the same way, take a look at this 16\" f\/4.5 Dob from StarField!  Just like most 16\" Dobsonians, the StarField model is a truss tube design.  That's good, because when you break down the telescope, the individual pieces can fit in most standard vehicles.  The biggest component is the Dobsonian base, followed by the two solid optical tube components and the truss tubes.  Have giant telescope, will travel!\u003c\/p\u003e\n\u003cp\u003eThe 16\" diffraction-limited primary mirror is coated with enhanced aluminum that has a 94% reflectivity rating.  StarField Optics states that their Dobsonian mirrors are 1\/12 wave, which will produce absolutely beautiful results.  \u003c\/p\u003e\n\u003cp\u003eThe Starfield 16\" Dob has a focal length of 1800 mm and a focal ratio of f\/4.5.  The 2\" Crayford-style focuser comes with dual speed 10:1 micro focus as well as coarse focus.  A 35 mm extension tube is included, as is a 2\" to 1.25\" compression ring adapter so you can use both 1.25\" and 2\" eyepieces.  Speaking of eyepieces, the StarField 16\" Dobsonian comes with two of them...a 2\" 30mm Superview and a 9 mm 1.25\" Super Plossl.  You will also receive a straight-through 8x50 optical finder scope to help you locate and center celestial objects.\u003c\/p\u003e\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e16\" (406.4mm) Newtonian Design\u003c\/li\u003e\n\u003cli\u003eF\/4.5 Focal Ratio\u003c\/li\u003e\n\u003cli\u003e1800mm Focal Length\u003c\/li\u003e\n\u003cli\u003e0.5mm Spider Vane Support\u003c\/li\u003e\n\u003cli\u003eEnhanced Aluminum Coating, 94% Reflectivity\u003c\/li\u003e\n\u003cli\u003eQuartz Over-coated\u003c\/li\u003e\n\u003cli\u003e2\" Dual Speed 1:10 Crayford Focuser\u003c\/li\u003e\n\u003cli\u003e3371X Light Gathering Power\u003c\/li\u003e\n\u003cli\u003e58X Minimum Magnification\u003c\/li\u003e\n\u003cli\u003e960X Maximum Magnification\u003c\/li\u003e\n\u003cli\u003e0.285 Arc Second Resolution (Dawes Limit)\u003c\/li\u003e\n\u003cli\u003eCentral Obstruction : 25% Linear (6.3% By Area)\u003c\/li\u003e\n\u003cli\u003eDiffraction Limited Optics (1\/12 Wave RMS Precision)\u003c\/li\u003e\n\u003cli\u003eMagnification : Eyepiece 1 (30mm) : 60X\u003c\/li\u003e\n\u003cli\u003eMagnification : Eyepiece 2 (9mm) : 200X\u003c\/li\u003e\n\u003cli\u003eDobsonian Mount Design With Altitude Tension Bearing System\u003c\/li\u003e\n\u003cli\u003eTube Material : Metal\u003c\/li\u003e\n\u003cli\u003eBase Material : Wood\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eIncluded Items\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e16\" f\/4.5 Deluxe Dobsonian Telescope\u003c\/li\u003e\n\u003cli\u003eDobsonian Mount Base\u003c\/li\u003e\n\u003cli\u003e2\" 30mm Superview Eyepiece\u003c\/li\u003e\n\u003cli\u003e1.25\" 9mm Super Plossl Eyepiece\u003c\/li\u003e\n\u003cli\u003e8X50 Finderscope\u003c\/li\u003e\n\u003cli\u003e2\" Focuser Extension 35mm\u003c\/li\u003e\n\u003cli\u003e2\" To 1.25\" Brass Compression Ring\u003c\/li\u003e\n\u003cli\u003e1 Year Limited Warranty\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"StarField Optics","offers":[{"title":"Default Title","offer_id":39717809094769,"sku":"SFO-SF-DOB-16","price":3090.95,"currency_code":"EUR","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/products\/Starfield_16_Dob.jpg?v=1776459163","url":"https:\/\/khanscope.com\/en-fr\/products\/starfield-16-f-4-5-truss-tube-dobsonian-telescope-sf-dob-16","provider":"Khan Scope Centre","version":"1.0","type":"link"}