{"product_id":"skymentor-45-degree-1-25-diagonal","title":"Sky Mentor 45º Image Erect Diagonal - 1.25\" - 45IE-125","description":"\u003ch3 style=\"text-align: center;\"\u003eSky Mentor 45º Erecting Diagonal - 1.25\"\u003c\/h3\u003e\n\u003cp\u003eAn image erect diagonal is really nice to have if you want to use your telescope terrestrially as a spotting scope!  Out of the box, most astronomical telescopes produce a mirror image.  Astronomers do not bother to correct this image when looking at or photographing the sky, as doing so adds another bounce of light that lowers image brightness a bit.  However, image brightness is normally not a concern during the day, and it is nice to have a right-side up, left to right correct image when using your scope to look at objects here on earth.  \u003c\/p\u003e\n\u003cp\u003eTo correct the image, simply insert this erect image diagonal into the 1.25\" focuser (or focuser adapter) of your telescope and then use eyepieces as normal.  \u003c\/p\u003e\n\u003cp\u003e\u003cem\u003ePlease note that this diagonal does not erect the image correctly for Newtonian telescopes\u003c\/em\u003e, but it works well for refractors and catadioptric scopes like Schmidt-Cassegrain or Maksutov models.\u003c\/p\u003e","brand":"Sky Mentor","offers":[{"title":"Default Title","offer_id":31882122756209,"sku":"SMT-45IE-125","price":41.95,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0851\/2766\/files\/45_125_Diagonal.png?v=1782765139","url":"https:\/\/khanscope.com\/en-fr\/products\/skymentor-45-degree-1-25-diagonal","provider":"Khan Scope Centre","version":"1.0","type":"link"}